Biology > EXAM > BIO 208 Exam 1. Georgia Military College. Answers Provided 100% Score. (All)

BIO 208 Exam 1. Georgia Military College. Answers Provided 100% Score.

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BIO 208 Exam 1 Edema is most likely to occur when someone is experiencing _________. Select one: a. dehydration b. diarrhea c. burns d. shock e. vomiting Feedback burns Question 2 ... 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. Feedback 50 mm Hg. Question 3 Question text What would occur if adrenocorticotropic hormone and cortisol levels increased? Select one: a. adrenocorticotropic hormone levels would decline from high cortisol levels b. positive feedback causes an increase in adrenocorticotropic hormone production c. cortisol levels would decline because of an increase in adrenocorticotropic hormone levels d. none of these choices are Feedback adrenocorticotropic hormone levels would decline from high cortisol levels Question 4 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 Feedback capillaries Question 5 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. Feedback They contain a thick tunica media. Question 6 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. Feedback if resistance increases, flow decreases. Question 7 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 Feedback right ventricle; left atrium Question 8 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 Feedback Laplace's Question 9 In Mark 0.00 out of 1.00 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. Feedback Veins contain valves and arteries do not. Question 10 Question text If a physician is assessing the area of the heart apex, what is the cavity where the physician is working? Select one: a. abdominal b. thoracic c. cranial d. pleural Feedback thoracic Question 11 Question text The exchange between capillary walls and the interstitial spaces can be improved by _______ Select one: a. the stratification of the capillary wall b. the high pressure in the interstitial spaces c. the thinness of the capillary wall d. increased blood velocity through the capillaries e. minimal branching in the capillary bed Feedback the thinness of the capillary wall Question 12 In Mark 0.00 out of 1.00 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. Feedback It allows an action potential to reach the left atrium so both atria contract together, before the ventricles contract. Question 13 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 Feedback pituitary dwarfism, giantism Question 14 Question text What AV valve that is located on the same side of the heart as where the aorta originates? Select one: a. aortic semilunar valve. b. tricuspid valve. c. coronary sinus valve. d. pulmonary semilunar valve. e. bicuspid or mitral valve. Feedback bicuspid or mitral valve. Question 15 Question text Hormones secreted by the hypothalamus travel through the _________ from the hypothalamus to the ___________. Select one: a. hypothalamohypophysial portal system, anterior pituitary gland b. hypothalamohypophysial tract, posterior pituitary gland c. hypothalamohypophysial portal system, posterior pituitary gland d. hypothalamohypophysial tract, anterior pituitary gland Feedback hypothalamohypophysial portal system, anterior pituitary gland Question 16 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 Feedback artery, arteriole, capillary, venule, vein Question 17 In Mark 0.00 out of 1.00 Question text Malfunctioning erythrocytes are broken down, resulting in _____. Select one: a. formation of bilirubin. b. iron excreting into the small intestine. c. their heme groups are converted into amino acids. d. removal from the blood by the lungs. e. their components not able to be recycled. Feedback formation of bilirubin. Question 18 Question text A blood clot is a network of threadlike protein fibers, called _______, which traps blood cells, platelets, and fluid. Select one: a. Thrombin b. Fibrinogen c. Fibrin d. Thromboplastin e. Prothrombinase Feedback Fibrin Question 19 In Mark 0.00 out of 1.00 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 Feedback capillary walls have only endothelium and a basement membrane Question 20 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. Feedback the ability of the blood to carry oxygen to various tissues. Question 21 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 Feedback they are named because one of the subunits binds to glutamine nucleotides Question 22 In Mark 0.00 out of 1.00 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. Feedback indicate a systolic pressure of 110 mm Hg. Question 23 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 Feedback neutrotransmitters Question 24 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 Feedback gap junctions Question 25 In Mark 0.00 out of 1.00 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 Feedback hypothalamohypophysial tract Question 26 In Mark 0.00 out of 1.00 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 Feedback ventricular systole Question 27 In Mark 0.00 out of 1.00 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 Feedback Water-soluble, lipid-soluble Question 28 Question text Cardiac veins drain blood into the _______, which will empty into the _______. Select one: a. coronary sinus; left atrium b. great cardiac vein; superior vena cava c. great cardiac vein; left atrium d. inferior vena cava; right atrium e. coronary sinus; right atrium Feedback coronary sinus; right atrium Question 29 Question text Which of the following organic molecules include hormones? 1) steroids, 2) proteins, 3) nucleic acid derivatives, 4) polypeptides Select one: a. 1, 2, 3, 4 b. 1, 2, 3 c. 1, 3, 4 d. 2, 3, 4 e. 1, 2, 4 Feedback 1, 2, 4 Question 30 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 Feedback thrombus Question 31 Question text Which of the following veins is superficial? Select one: a. radial vein b. brachial vein c. ulnar vein d. basilic vein e. subclavian vein Feedback basilic vein Question 32 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 Feedback humoral Question 33 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 Feedback they easily diffuse through capillary walls Question 34 Question text Which of the following occurs during platelet plug formation? Select one: a. platelets multiply and divide. b. platelets stick to the exposed collagen fibers of injured vessels. c. activated platelets release fibrinogen. d. vitamin A production increases. e. thrombin is released from endothelial cells. Feedback platelets stick to the exposed collagen fibers of injured vessels. Question 35 Question text Which hormone chemical class typically requires a binding protein for transport in the blood? Select one: a. water-soluble b. lipid-soluble c. amino acid derivative d. protein Feedback lipid-soluble Question 36 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 Feedback increase Question 37 In Mark 0.00 out of 1.00 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 Feedback skin of head Question 38 In Mark 0.00 out of 1.00 Question text Which of the following statements about hormone transport and distribution is not true? Select one: a. free hormone concentration is not influenced by plasma protein concentration b. hormones bind to certain types of plasma proteins c. hormones can be transported bound to plasma protein or free in the plasma d. only free hormones can diffuse through capillary walls and bind to target tissues e. All of the statements are true. Feedback free hormone concentration is not influenced by plasma protein concentration Question 39 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 Feedback foot Question 40 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. Feedback The nervous system responds slowly and the endocrine system responds quickly. [Show More]

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