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Georgia Military College - BIO 124 final A&P 2. All Answers Provided. Contains 125 most frequently tested questions and answers.

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Georgia Military College - BIO 124 final A&P 2 What type of adaptive immunity is a vaccine? Select one: a. active natural b. active artificial c. passive natural d. passive artificial Questi... on 2 Mark 0.00 out of 1.00 Flag question Question text As the pH of the blood declines, the amount of oxygen bound to hemoglobin at any given Po2 will _______. Select one: a. increase then decrease b. stay the same c. increase d. decrease Question 3 Mark 1.00 out of 1.00 Flag question Question text What is the process where molecules move out of the digestive tract into circulation or the lymphatic system? Select one: a. peristalsis b. secretion c. chemical digestion d. absorption absorption Question 4 Mark 1.00 out of 1.00 Flag question Question text What occurs due to contraction of the papillary muscles? Select one: a. Ejection of blood from the ventricles. b. The atria ejects their contents into the ventricles. c. The semilunar valves open. d. The semilunar valves close. e. The AV valves are prevented from protruding into the atria. Question 5 Mark 1.00 out of 1.00 Flag question Question text Formed elements in blood are ______, and plasma is _______. Select one: a. blood clots; proteins b. mostly lipids; the matrix c. the cells; the liquid portion of blood d. lacking in protein; regulator of blood osmolality e. acellular; cellular Question 6 Mark 1.00 out of 1.00 Flag question Question text What happens when a zygote splits into two separate cells? Select one: a. fraternal twins result b. both cells die c. dizygotic twinning occurs d. paternal twins result e. identical twins result Question 7 Mark 1.00 out of 1.00 Flag question Question text The function of the nasal conchae is _______. Select one: a. olfaction b. to increase surface area for cleaning, warming, and moisturizing the air c. to increase turbulence and surface area for cleaning, warming and moisturizing the air d. to increase turbulence in the airflow Question 8 Mark 1.00 out of 1.00 Flag question Question text The flow of blood to the _____ would be affected by a thrombus in the second branch (not including coronary arteries) off of the aortic arch. Select one: a. left upper extremity b. myocardium of the heart c. left side of the head and neck d. right arm e. right side of the head and neck and right upper extremity Question 9 Mark 1.00 out of 1.00 Flag question Question text What do endocrine glands secrete into the bloodstream? What are the sites that they travel to? Select one: a. neurotransmitters; neurons b. epinephrine; postsynaptic cells c. histamines; receptor cells d. hormones; target tissues Question 10 Mark 1.00 out of 1.00 Flag question Question text Which of the following are considered primary lymphatic organs? Select one: a. thymus and lymph nodes b. red bone marrow and lymph nodes c. red bone marrow and thymus d. tonsils and spleen Question 11 Mark 1.00 out of 1.00 Flag question Question text Arrange the following structures in the order air passes through them during inhalation: (1) alveolus (2) respiratory bronchiole (3) alveolar ducts (4) terminal bronchiole Select one: a. 1, 2, 3, 4 b. 4, 3, 2, 1 c. 2, 1, 3, 4 d. 3, 2, 1, 4 e. 4, 2, 3, 1 4, 2, 3, 1 Question 12 Mark 1.00 out of 1.00 Flag question Question text Approximately 90% of the alveolar surface is made up of what type of cells? Select one: a. transitional epithelial cells b. Type I pneumocytes c. Type II pneumocytes d. Leukocytes Question 13 Mark 1.00 out of 1.00 Flag question Question text The _______ does not contain lymphatic tissue? Select one: a. lingual tonsil b. thymus c. spleen d. liver e. pharyngeal tonsil Question 14 Mark 1.00 out of 1.00 Flag question Question text Where are Peyer’s Patches located? Select one: a. spleen and tonsils b. appendix and tonsils c. lymph nodes d. small intestine and appendix Question 15 Mark 0.00 out of 1.00 Flag question Question text Which of the following statements is not true? Select one: a. The nervous system responds slowly and the endocrine system responds quickly. b. Some neurons are capable of secreting hormones. c. The nervous and endocrine systems can use the same chemical molecule. d. Both the nervous and endocrine systems use the hypothalamus. Question 16 Mark 0.00 out of 1.00 Flag question Question text Which of the following can be the cause of gastritis, gastric cancer, and peptic ulcers? Select one: a. None of these choices is . b. increased secretion of gastric bicarbonate. c. pH of the stomach contents continuously greater than 4. d. increased mucus production by the neck cells. e. Helicobacter pylori, a bacterium. Question 17 Mark 1.00 out of 1.00 Flag question Question text Select the description of the chordae tendineae. Select one: a. connect the flaps of the AV valves to the papillary muscles. b. connect the atria to the ventricles. c. found in the interventricular septum. d. part of the conducting system of the heart. e. a part of the myocardium. Question 18 Mark 1.00 out of 1.00 Flag question Question text The number of ______ are increased at the start of lymphocyte proliferation. Select one: a. macrophages b. T suppressor cells c. B cells d. cytotoxic T cells e. helper T cells Question 19 Mark 1.00 out of 1.00 Flag question Question text What accessory gland is primarily responsible for semen coagulation? Select one: a. Prostate b. Bulbourethral c. Seminal vesicle d. Urethra Question 20 Mark 1.00 out of 1.00 Flag question Question text Match the plasma protein to its function. Select one: a. fibrinogen - transport of fatty acids b. globulin - blood clotting c. globulin - transport and immunity d. albumin - helps to fight infection Question 21 Mark 1.00 out of 1.00 Flag question Question text Which of the following characteristic of elastic arteries is true? Select one: a. their tunica intima has no observable internal elastic membrane b. they are composed of a relatively thick layer of collagenous connective tissue that blends with the surrounding connective tissue c. they have the largest diameters d. they have the smallest diameters Question 22 Mark 1.00 out of 1.00 Flag question Question text What is it called when a blood clot is attached to a blood vessel wall? Select one: a. anticoagulant b. prostacylin c. thrombus d. embolus e. hemorrage Question 23 Mark 1.00 out of 1.00 Flag question Question text During the esophageal phase of deglutition, how does the bolus move? Select one: a. peristalsis b. the tongue c. segmentation d. pharyngeal constriction Question 24 Mark 1.00 out of 1.00 Flag question Question text Which of the following is regarding the spleen? Select one: a. It changes undifferentiated lymphocytes into competent lymphocytes. b. It is necessary for life. It can't be removed without causing death. c. It has additional digestive functions. d. It produces several different hormones with unknown function. e. It filters damaged red blood cells from the blood. Question 25 Mark 1.00 out of 1.00 Flag question Question text A red blood cell leaves the heart, travels to a tissue, and then returns to the heart. What is the order of the blood vessels that the blood passes through? Select one: a. arteriole, artery, capillary, vein, venule b. vein, capillary, artery, arteriole, venule c. artery, arteriole, capillary, venule, vein d. artery, venule, capillary, arteriole, vein e. capillary, arteriole, artery, vein, venule Question 26 Mark 1.00 out of 1.00 Flag question Question text How many days is the average menstrual cycle? On what day does ovulation occur? Select one: a. 32; 16 b. 30; 24 c. 24; 14 d. 20; 10 e. 28; 14 Question 27 Mark 1.00 out of 1.00 Flag question Question text Select the pathway of an egg as it passes through the uterine tube. (1) isthmus (2) ampulla (3) fimbriae (4) infundibulum Select one: a. 3, 4, 2, 1 b. 2, 3, 1, 4 c. 2, 4, 1, 3 d. 1, 2, 3, 4 e. 3, 1, 2, 4 Question 28 Mark 1.00 out of 1.00 Flag question Question text The period of time between the first heart sound and the second heart sound is called _______. Select one: a. ventricular diastole b. ventricular systole c. the P wave of the ECG d. ventricular filling e. atrial systole Question 29 Mark 1.00 out of 1.00 Flag question Question text Which of the following statements about water-soluble hormones is false? Select one: a. the larger hormones need fenestrated capillaries to move from the blood stream b. they dissolve in the blood as free hormones c. they easily diffuse through capillary walls d. they are rapidly degraded by proteases in the bloodstream e. they have carbohydrates attached to give a longer half-life Question 30 Mark 1.00 out of 1.00 Flag question Question text An example of _______ stimuli control is when blood calcium levels decrease due to parathyroid hormone being released. Select one: a. visceral b. hormonal c. humoral d. neural Question 31 Mark 1.00 out of 1.00 Flag question Question text Which of the following is accurate regarding Type AB blood? Select one: a. It has both A and B antigens on the red cells. b. It has O antigens on the red cells. c. It has both A and B antibodies on the red cells. d. It has no antigens on the red cells. e. It has both A and B antibodies in the plasma. Question 32 Mark 1.00 out of 1.00 Flag question Question text The accumulation of dead white blood cells and bacteria, along with fluid and cell debris, is called ________. Select one: a. chemotaxis b. the buffy coat c. pus d. mucus Question 33 Mark 1.00 out of 1.00 Flag question Question text Glomera are present in large numbers in all of the following areas except ______. Select one: a. nail beds b. sole of foot c. palm of hand d. skin of head Question 34 Mark 0.00 out of 1.00 Flag question Question text Chemical messengers that influence the activity of another cell are ___________ chemical messengers. On the other hand, chemical messengers that influence the activity of the same cell that releases them are ___________ chemical messengers. Select one: a. autocrine; merocrine b. merocrine; autocrine c. autocrine; paracrine d. paracrine; autocrine Question 35 Mark 1.00 out of 1.00 Flag question Question text Which of the following is not true of a G Protein? Select one: a. they have three subunits called alpha (α), beta (β), and gamma (γ) b. membrane-bound receptors can be produced because of G protein activation c. In the inactive state, a guanine diphosphate (GDP) molecule is bound to the α subunit of each G protein d. they are named because one of the subunits binds to glutamine nucleotides Question 36 Mark 1.00 out of 1.00 Flag question Question text Select the description for external respiration. Select one: a. atmospheric air coming into the lungs b. gas exchange between the lungs and the blood c. gas exchange between the blood and body tissues d. gas exchange in the atmosphere e. cellular respiration Question 37 Mark 1.00 out of 1.00 Flag question Question text Hyposecretion of growth hormone can lead to a condition called _________, while hypersecretion can lead to a disorder called ___________. Select one: a. chronic hyperglycemia, giantism b. pituitary dwarfism, giantism c. giantism, pituitary dwarfism d. acromegaly, giantism Question 38 Partially Mark 0.67 out of 1.00 Flag question Question text Which of the following are possible side effects of anabolic steroid use? Check all that apply. Select one or more: a. development of breasts b. increased urination rate c. hair loss d. mood changes e. blurred vision f. increased respiration g. testicle size reduction Question 39 Mark 1.00 out of 1.00 Flag question Question text The pulmonary circulation is the system of blood vessels that carries blood from the ________ to the lungs and back to the ________. Select one: a. right ventricle; left atrium b. left atrium; right ventricle c. right atrium; left ventricle d. let ventricle; right atrium Question 40 Mark 1.00 out of 1.00 Flag question Question text A blood pressure reading of 110/80 would Select one: a. have Korotkoff sounds at pressures above 110 mm Hg. b. indicate a systolic pressure of 110 mm Hg. c. indicate a diastolic pressure of 110 mm Hg. d. would be considered hypertensive. e. indicate a systolic pressure of 80 mm Hg. Question 41 Mark 1.00 out of 1.00 Flag question Question text Implantation typically occurs ________. Select one: a. in the cervix area of the uterus b. in the isthmus area of the uterine tube c. in the fundus area of the uterus d. in the infundibulum area of the uterine tube Question 42 Mark 1.00 out of 1.00 Flag question Question text What is menarche? Select one: a. an increase in the sexual drive b. the end of the menstrual cycle c. monthly ovulation d. enlargement of the breasts e. the first episode of menstrual bleeding Question 43 Mark 1.00 out of 1.00 Flag question Question text What component of the cardiac muscles cells enables action potentials to pass easily from one cell to the next? Select one: a. gap junctions b. T tubules c. smooth sarcoplasmic reticulum d. fibrous rings Question 44 Mark 1.00 out of 1.00 Flag question Question text Which of the following is responsible for the exchange of nutrients and gases between the blood and tissue cells? Select one: a. arteries b. capillaries c. arterioles d. venules e. veins Question 45 Mark 1.00 out of 1.00 Flag question Question text What organ system is derived from all three germ layers? Select one: a. cardiovascular b. nervous c. endocrine d. skeletal e. integumentary Question 46 Mark 1.00 out of 1.00 Flag question Question text All of the following materials are transported by blood except ______. Select one: a. nutrients b. hormones c. blood gases d. lactic acid e. neutrotransmitters Question 47 Mark 1.00 out of 1.00 Flag question Question text All of the following are roles of microorganisms in the large intestine, except ______. Select one: a. vitamin K synthesis b. break down cellulose c. wall lubrication d. microorganisms play all of these roles Question 48 Mark 1.00 out of 1.00 Flag question Question text Trace the pathway of air to the trachea after it enters the nose through the external nares. Select one: a. oral cavity, nasal cavity, larynx, pharynx, trachea b. nasal cavity, larynx, pharynx, trachea c. nasal cavity, trachea, larynx, pharynx d. nasal cavity, pharynx, larynx, trachea e. nasopharynx, nasal cavity, laryngopharynx, trachea Question 49 Mark 1.00 out of 1.00 Flag question Question text Match the pituitary hormones with their functions. initiates egg or sperm production Answer 1Choose...TSHADHACTHLHGHFSHprolactinoxytocin causes kidneys to retain water Answer 2Choose...TSHADHACTHLHGHFSHprolactinoxytocin stimulates secretion of thyroid hormones Answer 3Choose...TSHADHACTHLHGHFSHprolactinoxytocin promotes bone growth Answer 4Choose...TSHADHACTHLHGHFSHprolactinoxytocin stimulates the release of hormones from the adrenal cortex Answer 5Choose...TSHADHACTHLHGHFSHprolactinoxytocin stimulates the secretion of sex hormones from the gonads Answer 6Choose...TSHADHACTHLHGHFSHprolactinoxytocin promotes the production of milk Answer 7Choose...TSHADHACTHLHGHFSHprolactinoxytocin stimulates uterine contraction Answer 8Choose...TSHADHACTHLHGHFSHprolactinoxytocin Your answer is . initiates egg or sperm production → FSH, causes kidneys to retain water → ADH, stimulates secretion of thyroid hormones → TSH, promotes bone growth → GH, stimulates the release of hormones from the adrenal cortex → ACTH, stimulates the secretion of sex hormones from the gonads → LH, promotes the production of milk → prolactin, stimulates uterine contraction → oxytocin Question 50 Mark 1.00 out of 1.00 Flag question Question text How does a capillary wall differ from that of a vein or artery structure? Select one: a. capillaries have more smooth muscle b. the capillary wall has only two tunics c. capillaries can constrict or dilate d. capillaries are impermeable to all substances e. capillary walls have only endothelium and a basement membrane Question 51 Mark 0.00 out of 1.00 Flag question Question text All of the following occur during exercise in order to maintain blood glucose levels, except ______? Select one: a. Sympathetic stimulation causes an increase in insulin secretion b. Sympathetic stimulation causes the release of epinephrine and glucagon c. Epinephrine causes the breakdown of glycogen in muscle cells to glucose d. Epinephrine and sympathetic stimulation increase the breakdown of lipids Question 52 Mark 1.00 out of 1.00 Flag question Question text Which of the following accurately describes the thoracic duct? Select one: a. drains a major portion of the body b. filters lymph c. drains the right side of the head, upper-right limb, and right thorax d. largest lymphatic vessel Question 53 Mark 1.00 out of 1.00 Flag question Question text In what type of condition is aldosterone secreted? Select one: a. low blood pressure b. low glucose levels c. high inflammation d. high cortisol levels Question 54 Mark 1.00 out of 1.00 Flag question Question text In which route does bile flow? Select one: a. cystic duct into the hepatic ducts. b. common bile duct into the gallbladder. c. gallbladder into the hepatic duct. d. hepatic ducts into the common hepatic duct. e. bile canaliculus into the cystic duct. Question 55 Mark 1.00 out of 1.00 Flag question Question text Which of the following accurately describes Poiseuille's law? Select one: a. blood flow is not related to resistance. b. if resistance increases, flow increases. c. if resistance increases, flow decreases. d. viscosity of the blood is not related to flow. e. pH of the blood influences flow. Question 56 Mark 1.00 out of 1.00 Flag question Question text Which of the following ly describes tidal volume? Select one: a. A lung volume representing the amount of air left in the lungs after a forced exhalation. b. The additional air that can be forcibly inhaled after inspiration. c. The volume of air inspired or expired with each breath. d. The additional air that can be forcibly exhaled after inspiration. Question 57 Mark 1.00 out of 1.00 Flag question Question text Select the true statement regarding blood vessel walls? Select one: a. The tunica intima is the innermost layer of a blood vessel wall. b. The tunica adventitia is composed of smooth muscle and endothelium. c. Vessel diameter is controlled primarily by the tunica intima. d. Capillaries have both a tunica intima and a tunica media. e. The tunica media is found in all blood vessels except veins. Question 58 Mark 1.00 out of 1.00 Flag question Question text The first cell type to exit the blood and move into infected tissues is _______. Select one: a. natural killer cell b. neutrophil c. lymphocyte d. eosinophil e. monocyte Question 59 Mark 1.00 out of 1.00 Flag question Question text If someone has a blood pressure reading of 120/70 mm Hg, their pulse pressure would be Select one: a. 90 mm Hg. b. 50 mm Hg. c. 120 mm Hg. d. 70 mm Hg. e. 190 mm Hg. Question 60 Mark 1.00 out of 1.00 Flag question Question text What layer of the uterine wall is sloughed off during menstruation? Select one: a. endometrium b. vasometrium c. perimetrium d. hymen e. myometrium Question 61 Mark 1.00 out of 1.00 Flag question Question text The surfaces of red blood cells have molecules called ________, and the plasma includes proteins called _________. Select one: a. antigens; antibodies b. Rh; ABO c. ABO; Rh d. antibodies; antigens e. none of the choices are Question 62 Mark 1.00 out of 1.00 Flag question Question text What is responsible for attaching the liver to the anterior abdominal wall? Select one: a. round ligament b. greater omentum c. lesser omentum d. transverse mesocolon e. falciform ligament Question 63 Mark 1.00 out of 1.00 Flag question Question text Through the ________, it is possible to consciously or unconsciously increase or decrease the rate and depth of the respiratory movements. Select one: a. brain stem b. medulla oblongata c. cerebral cortex d. cerebellum Question 64 Mark 1.00 out of 1.00 Flag question Question text What is the period from conception until birth? Select one: a. the embryonic period b. the conceptual period c. the germinal period d. the fetal period e. the prenatal period Question 65 Mark 1.00 out of 1.00 Flag question Question text Which of the following is an example of down-regulation? Select one: a. oxygen levels decline in a tissue and the cells release chemicals that dilate local blood vessels b. an increase in uterine oxytocin receptors in the third trimester of pregnancy, promoting the contraction of the smooth muscle of the uterus. c. when you exercise, your nervous system increases your heart rate so that blood will circulate faster d. an insensitivity to insulin due to diabetes Question 66 Mark 1.00 out of 1.00 Flag question Question text Select the statement regarding the lungs. Select one: a. The left lung is larger than the right lung. b. Only the right lung has a hilum. c. The left lung contains three lobes while the right lung contains two lobes. d. The left lung has more bronchopulmonary segments than the right lung. e. The left lung contains two lobes while the right lung contains three lobes. Question 67 Mark 1.00 out of 1.00 Flag question Question text Select the most accurate description of how antibodies are produced. Select one: a. cytotoxic T cells stimulated by helper T cells b. B cells that differentiate to form plasma cells c. helper T cells stimulated by various cytokines d. in the red bone marrow e. natural killer cells as they lyse cancer cells Question 68 Mark 1.00 out of 1.00 Flag question Question text What gland secretes FSH and LH, which regulate the production of reproductive hormones by the ovaries and the testes? Select one: a. adrenal cortex b. anterior pituitary c. thyroid gland d. posterior pituitary Question 69 Mark 1.00 out of 1.00 Flag question Question text ______ is a measure of the ease with which the lungs and thorax expand. Select one: a. compliance b. spirometry c. minute ventilation d. alveolar ventilation Question 70 Mark 1.00 out of 1.00 Flag question Question text During inspiration, contraction of the diaphragm causes the volume of Mrs. Smith's thoracic cavity to increase and the pleural pressure to decrease. The pressure in her alveoli (Palv ) will Select one: a. not change b. become greater than atmospheric pressure (PB ), causing air to move out of her lungs c. decrease below atmospheric pressure (PB ), causing air to move out of her lungs d. decrease below atmospheric pressure (PB ), causing air to move into her lungs e. become greater than atmospheric pressure (PB ), causing air to move into her lungs Question 71 Mark 0.00 out of 1.00 Flag question Question text Melatonin is released from the ________ and decreases ________ secretion from the hypothalamus. Select one: a. pituitary gland; FSH b. adrenal glands; LH c. thymus; GHRH d. pineal gland; GnRH Question 72 Mark 1.00 out of 1.00 Flag question Question text If the SA node were not functioning, which of the following areas of the conduction system would produce spontaneous action potentials most frequently? Select one: a. AV node b. the pacemaker c. myocardium d. Purkinje fibers e. AV bundle Question 73 Mark 1.00 out of 1.00 Flag question Question text If a person has low blood glucose levels, what endocrine gland is the likely cause? Select one: a. pineal gland b. thymus c. pancreas d. adrenal gland Question 74 Mark 1.00 out of 1.00 Flag question Question text What role does the placenta play? Select one: a. insulating the fetus b. onset of lactation c. implantation d. provision of nutrients to the fetus e. beginning of parturition Question 75 Mark 1.00 out of 1.00 Flag question Question text Select the mismatched pair. Select one: a. root - root canal b. alveoli - periodontal ligament c. crown - enamel d. apical foramen - blood supply e. pulp cavity - cementum Question 76 Mark 1.00 out of 1.00 Flag question Question text The best area to check the adequacy of peripheral circulation is in the _______. Select one: a. foot b. neck c. groin d. ankle e. wrist Question 77 Mark 1.00 out of 1.00 Flag question Question text Which of the following is part of the upper respiratory tract? Select one: a. lungs b. pharynx c. alveoli d. bronchi e. trachea Question 78 Mark 1.00 out of 1.00 Flag question Question text Decreased compliance due to arteriosclerosis would cause the pulse pressure to Select one: a. remain the same b. decrease c. increase d. increase, then decrease e. decrease, then increase Question 79 Mark 1.00 out of 1.00 Flag question Question text In adults, red blood cells are made in ________, spend most of their lifespan in ________, and most are finally destroyed in _________. Select one: a. the spleen; blood vessels; bone marrow b. bone marrow; blood vessels; the spleen c. bone marrow; the spleen; blood vessels d. blood vessels; the spleen; bone marrow e. the spleen; blood vessels; spleen Question 80 Mark 1.00 out of 1.00 Flag question Question text Which of the following is derived from endoderm? Select one: a. muscle b. cardiovascular system c. lining of the digestive tract d. brain e. epidermis of the skin Question 81 Mark 1.00 out of 1.00 Flag question Question text Select the paired laryngeal cartilages. (1) cricoid cartilage (2) epiglottis (3) thyroid cartilage (4) corniculate cartilage (5) arytenoid cartilage (6) cuneiform cartilage Select one: a. 4, 5, 6 b. 2, 3, 4 c. 3, 4, 5 d. 2, 4, 5 e. 1, 2, 6 Question 82 Mark 1.00 out of 1.00 Flag question Question text _______ increases the rate of gas exchange across the respiratory membrane. Select one: a. Decreased surface area of the respiratory membrane b. Increased connective tissue in the alveolar wall c. Increased thickness of the respiratory membrane d. Increased fluid in the alveoli e. Increased surface area of the respiratory membrane Question 83 Mark 1.00 out of 1.00 Flag question Question text What law states that the force that stretches the vascular wall is proportional to the diameter of the vessel times the blood pressure? Select one: a. Poiseuille's b. Laplace's c. Boyle's d. Darwin's Question 84 Mark 1.00 out of 1.00 Flag question Question text Select the primary sites of nutrient absorption. Select one: a. the duodenum and ileum b. the jejunum and duodenum c. the stomach and duodenum d. the ileum and jejunum Question 85 Mark 1.00 out of 1.00 Flag question Question text _______ can cause vasodilation, increased capillary permeability, and chemotaxis. Select one: a. Leukotrienes b. Prostaglandins c. Histamine d. Cytokines e. Complement Question 86 Mark 1.00 out of 1.00 Flag question Question text From smallest to largest, the sequence for the following passageways is Select one: a. bronchi, respiratory bronchioles, terminal bronchioles, bronchioles, alveoli b. alveoli, bronchioles, terminal bronchioles, respiratory bronchioles, bronchi c. alveoli, terminal bronchioles, respiratory bronchioles, bronchioles, bronchi d. alveoli, respiratory bronchioles, terminal bronchioles, bronchioles, bronchi e. terminal bronchioles, respiratory bronchioles, bronchi, bronchioles, alveoli Question 87 Mark 1.00 out of 1.00 Flag question Question text What is the purpose of the blood-testis barrier? Select one: a. isolate the sperm cells from the immune system b. nourishes the sperm cells during development c. protects the sperm cells from degeneration d. prevent the mixing of blood and CSF Question 88 Mark 1.00 out of 1.00 Flag question Question text Increased _________ levels result in decreased __________ activity in the bones, and lengthens the life span of osteoblasts, resulting in ____________ blood calcium levels. Select one: a. calcitonin, osteoclast, decreased b. calcium, osteoblast, decreased c. calcitonin, osteoblast, increased d. calcium, osteoclast, increased Question 89 Mark 1.00 out of 1.00 Flag question Question text Select the description of the foramen ovale? Select one: a. An opening between the right and left ventricles in the embryo and fetus. b. An oval hole in the epicardium in the embryo and fetus. c. An opening between the right and left atria in the embryo and fetus. d. An opening between the pulmonary trunk and aorta in the embryo and fetus. Question 90 Mark 0.00 out of 1.00 Flag question Question text What occurs in the large intestine? Select one: a. neutralization b. mastication c. mixing waves d. chemical digestion e. mass movements Question 91 Mark 1.00 out of 1.00 Flag question Question text What lymphatic organ decreases in size after a certain age? Select one: a. tonsils b. spleen c. thymus d. bone marrow Question 92 Mark 0.00 out of 1.00 Flag question Question text The two major types of phagocytic cells are Select one: a. macrophages and monocytes b. neutrophils and macrophages c. neutrophils and monocytes d. T cells and eosinophils e. lymphocytes and monocytes Question 93 Mark 1.00 out of 1.00 Flag question Question text What ring of cartilage forms the base of the larynx? Select one: a. thyroid cartilage b. cricoid cartilage c. cuneiform cartilage d. arytenoid cartilage e. epiglottis Question 94 Mark 1.00 out of 1.00 Flag question Question text What will increase due to an increase in hemoglobin? Select one: a. the body's immune response. b. the quantity of plasma protein available for blood clotting. c. the leukocyte count. d. the ability of the blood to carry oxygen to various tissues. e. the osmotic pressure of the blood. Question 95 Mark 0.00 out of 1.00 Flag question Question text What do the axons of the neurosecretory neurons form after extending through the infundibulum? Select one: a. hypothalamohypophysial portal system b. hypothalamohypophysial duct c. hypothalamohypophysial tract d. infundibular portal system Question 96 Mark 1.00 out of 1.00 Flag question Question text Select the route through the digestive tract where food moves. Select one: a. oral cavity, stomach, small intestine, large intestine b. pharynx, esophagus, large intestine, small intestine c. stomach, esophagus, large intestine, small intestine d. anus, large intestine, stomach, esophagus Question 97 Mark 1.00 out of 1.00 Flag question Question text What if the longest part of the urethra? Select one: a. Membraneous b. Spongy c. Prostatic d. Shaft Question 98 Mark 1.00 out of 1.00 Flag question Question text The role of the cremaster and dartos muscles is contraction to ______. Select one: a. increase during exercise b. aid in ejaculation c. pull the testes closer to the body d. cause the epididymis to shrink e. cause the penis to become erect Question 99 Mark 0.00 out of 1.00 Flag question Question text Select the mismatched pair. Select one: a. absorption of nutrients - small intestine b. killing microorganisms with lysozyme - stomach c. digestion of carbohydrates - mouth d. production of mucus - esophagus Question 100 Mark 1.00 out of 1.00 Flag question Question text What occurs when inspiratory muscles contract? Select one: a. pleural pressure increases b. thoracic volume increases c. the alveolar pressure increases d. thoracic volume decreases e. expiration occurs Question 101 Mark 1.00 out of 1.00 Flag question Question text Edema is most likely to occur when someone is experiencing _________. Select one: a. dehydration b. diarrhea c. burns d. shock e. vomiting Question 102 Mark 1.00 out of 1.00 Flag question Question text Select a description of distributing arteries. Select one: a. They contain a thick tunica media. b. They contain a lot of elastic tissue. c. They transport blood from arterioles to capillaries. d. They do not contain smooth muscle in their walls. e. They are strong, rigid vessels. Question 103 Mark 1.00 out of 1.00 Flag question Question text The phase of gastric secretion where an increase in secretion of gastric juice occurs due to the anticipation of eating food is called the _____ phase. Select one: a. cephalic b. conscious c. intestinal d. pancreatic e. gastic Question 104 Mark 1.00 out of 1.00 Flag question Question text What ends with capillaries in the liver but begins with capillaries in the abdominal viscera? Select one: a. hepatic portal system b. splenic system c. hepatic system d. celiac system e. superior mesenteric system Question 105 Mark 1.00 out of 1.00 Flag question Question text What is the zygote? Select one: a. Graafian oocyte b. primary oocyte c. sperm just before fertilization d. secondary oocyte e. fertilized oocyte Question 106 Mark 1.00 out of 1.00 Flag question Question text Which of the following is a part of respiratory zone of the tracheobronchial tree? Select one: a. Alveoli b. trachea c. primary bronchi d. tertiary bronchi e. larynx Question 107 Mark 1.00 out of 1.00 Flag question Question text Air flows out of the lungs because intra-alveolar pressure is greater than _______ during expiration. Select one: a. barometric air pressure b. thoracic volume c. alveolar volume d. pleural pressure Question 108 Mark 0.00 out of 1.00 Flag question Question text What portion of the digestive tract plays a role in the lymphatic system? Select one: a. Peyer's Patches b. Duodenum c. Liver d. Gallbladder e. Granular cells Question 109 Mark 1.00 out of 1.00 Flag question Question text Why is there a delay in the action potential in the AV node? Select one: a. It allows time for the atria to be filled with blood. b. It allows the action potential to reach both ventricles at the same time. c. It allows an action potential to reach the left atrium so both atria contract together. d. It allows an action potential to reach the left atrium so both atria contract together, before the ventricles contract. Question 110 Mark 1.00 out of 1.00 Flag question Question text In the pancreas, _______ produce digestive enzymes and the ________ produce insulin and glucagon. Select one: a. Islets; acini b. Acini; islets c. Juice; epithelial cells d. Epithelial cells; juice Question 111 Mark 0.00 out of 1.00 Flag question Question text Select which of the following choices is an innate physical barrier. Select one: a. phagocytosis of invading organisms b. release of histamine c. inflammation d. washing action of tears and saliva e. activation of complement Question 112 Mark 1.00 out of 1.00 Flag question Question text Which of the following statements is ? Select one: a. Blood pressure is lower in arteries than in veins. b. For an artery and vein of the same diameter, the vein would have a thicker wall. c. Veins contain valves and arteries do not. d. When empty, an artery is more likely to be flattened than a vein. e. Both arteries and veins are under pressure. Question 113 Mark 1.00 out of 1.00 Flag question Question text Organ systems mature during the ____ period, and germ layers form during the ____ period. Select one: a. fetal; germinal b. embryonic; fetal c. germinal; embryonic d. germinal; fetal e. prenatal; neonatal Question 114 Mark 0.00 out of 1.00 Flag question Question text Which of the following is not a function of the hepatocytes? Select one: a. Synthesis of blood components b. Interconversion of nutrients c. Excretion d. Detoxification e. Bile production Question 115 Mark 1.00 out of 1.00 Flag question Question text Which of the following is the most abundant leukocyte? Select one: a. lymphocyte b. neutrophil c. eosinophil d. monocyte e. basophil Question 116 Mark 0.00 out of 1.00 Flag question Question text What structure is removed in a procedure called circumcision? Select one: a. Glans penis b. Bulb c. Crus d. Prepuce Question 117 Mark 1.00 out of 1.00 Flag question Question text Select the answer explaining why the stomach does not digest itself. Select one: a. The stomach wall lacks proteins so enzymes won't attack it. b. The stomach lining is too tough to be digested. c. The digestive enzymes in the stomach aren't efficient enough. d. The stomach is protected by HCl. e. The stomach wall is protected by large amounts of mucus. Question 118 Mark 1.00 out of 1.00 Flag question Question text _____________ hormones bind to membrane-bound receptors; _____________ hormones bind to nuclear receptors. Select one: a. Lipid-soluble, lipid-soluble b. Water-soluble, water-soluble c. Lipid-soluble, water-soluble d. Water-soluble, lipid-soluble Question 119 Mark 1.00 out of 1.00 Flag question Question text _____ in the sinuses of lymph nodes remove bacteria and debris from the lymph. Select one: a. Plasma cells b. Lymphocytes c. Macrophages d. Trabecular cells e. Germinal cells Question 120 Mark 1.00 out of 1.00 Flag question Question text The superior-inferior dimension of the thoracic cavity increases due to contraction of the _______. Select one: a. diaphragm b. sternocleidomastoid c. rectus abdominis d. internal intercostals e. transverse abdominis Question 121 Mark 1.00 out of 1.00 Flag question Question text A _____ is formed once an embryonic mass has 12 or more cells. Select one: a. blastula b. blastocyst c. trophoblast d. gastrula e. morula Question 122 Mark 1.00 out of 1.00 Flag question Question text What occurs when blood is regurgitated through the aortic semilunar valve? Select one: a. a heart murmur b. the first heart sound c. end-systolic volume d. the second heart sound e. an extra heartbeat a heart murmur Question 123 Mark 1.00 out of 1.00 Flag question Question text After food in the stomach is mixed with gastric juices, it forms a semiliquid called Select one: a. phlegm b. chyme c. bile d. feces e. bolusin Question 124 Mark 1.00 out of 1.00 Flag question Question text Structurally, what are lymph vessels most similar to? Select one: a. veins b. arteries c. capillaries d. arterioles e. venules Question 125 Mark 1.00 out of 1.00 Flag question Question text The body is protected against viral infections by a protein called ______. Select one: a. interferon b. complement c. kinin d. histamine e. lysozyme [Show More]

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