Straighterline AP2 202 Anatomy & Physiology 2 A&P 2 test 4 Grade 40.00 out of 40.00 (100%)

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Straighterline AP2 202 Anatomy & Physiology 2 A&P 2 test 4 Grade 40.00 out of 40.00 (100%) Question 1 Question text How do lymphatic capillaries differ from blood capillaries? Select one: ... a. Lymphatic capillaries do not have a basement membrane. b. Simple squamous epithelial cells of lymphatics overlap with loose attachments. c. Lymphatic capillaries are more permeable than blood capillaries. d. Lymphatic capillary epithelium act as one-way valves preventing movement of fluid back into interstitial spaces. e. All of the choices are ways lymphatic capillaries differ from blood capillaries. Question 2 Question text Select one: a. interfere with breathing when enlarged. b. are located at the junction of the oral cavity and pharynx. c. are located superior to the palate. d. are really lymph nodes in disguise. e. are located in the nasopharynx. Question 3 Question text The white pulp of the spleen Select one: a. contains lymphocytes that can stimulate an immune response. b. filters lymph as it flows through the spleen. c. destroys defective red blood cells. d. stimulates immune responses, filter lymph, and destroys defective red blood cells. Question 4 Question text Describe the wall of lymphatic capillaries. Select one: a. Thin-walled, with tightly joined squamous cells b. Thin-walled, with tightly joined cuboidal cells c. Thick-walled, with overlapping squamous cells d. Thick-walled, with tightly joined squamous cells e. Thin-walled, with overlapping squamous cells Question 5 Question text All of the following lack lymphatic capillaries, except Select one: a. the nervous system. b. the bone marrow. c. the epidermis. d. cartilage. e. skeletal muscle. Question 6 Question text Which of the following statements accurately describes the thymus gland? Select one: a. The thymus gland lacks a capsule. b. The thymus gland contains many reticular fibers. c. The thymus gland decreases in size after age 60. d. Lymphocytes are found only in the medulla of the thymus gland. e. The thymus increases in size with aging. Question 7 Question text Structurally, lymph vessels are most similar to Select one: a. veins. b. arteries. c. arterioles. d. capillaries. e. venules. Question 8 Question text Bean-shaped lymphatic organs found along lymphatic vessels are called Select one: a. lymph nodes. b. medullary cords. c. cisterna chyli. d. trabeculae. e. lymph nodules. Question 9 Question text The thymus is where ____ mature and become functional immune cells. Select one: a. pre-T cells b. pre-B cells c. macrophages d. null cells e. C cells. Question 10 Question text Lymph nodules are Select one: a. small, bean-shaped structures. b. the site of erythrocyte production. c. located in the loose connective tissue of the digestive system. d. composed of an outer cortex and inner medulla. e. connected together in a series. Question 11 Question text Adenoids are enlarged Select one: a. lingual tonsils. b. pharyngeal tonsils. c. palatine tonsils. d. cervical lymph nodes. e. axillary lymph nodes. Question 12 Question text Which of the following statements concerning the spleen is true? Select one: a. Splenic arteries enter the organ at the periarterial sheath. b. The spleen can act as a blood reservoir. c. The white pulp is associated with the venous supply. d. The red pulp has trabeculae. e. Humans can not survive without a spleen. Question 13 Question text Lymphatic tissue contains an interlaced network of reticular fibers that functions to Select one: a. produce lymphocytes. b. produce capsules around lymph nodes. c. attack microorganisms. d. line the walls of lymphatic vessels. e. trap microorganisms. Question 14 Question text Tonsils Select one: a. increase in size in adults. b. are located in both the oral and abdominal cavities. c. provide protection against bacteria entering the oral and nasal cavities. d. contain red pulp and white pulp. e. are not functional in children. Question 15 Question text Germinal centers are the sites of Select one: a. increased blood flow to the lymph nodes. b. fluid production. c. increased flow of lymph from infected tissues. d. entrance of lymph into lymph nodes. e. proliferation of lymphocytes in the lymph nodes. Question 16 Question text What is the function of thymosin? Select one: a. destroys damaged red blood cells b. destroys damaged white blood cells c. activates lymphocytes in lymph nodes d. maturation of T-cells Question 17 Question text Bacteria and debris are actively removed from the lymph by _____ in the sinuses of lymph nodes. Select one: a. trabecular cells b. germinal cells c. macrophages. d. lymphocytes e. plasma cells Question 18 Question text Which of the following is NOT a function of the lymphatic system? Select one: a. Defending from infection caused by microorganisms and other foreign substances. b. Aiding in erythropoiesis of red blood cells. c. Maintaining fluid balance by returning excess interstitial fluid to the blood. d. Absorbing and transporting lipids from the digestive tract. Question 19 Correct 2.00 points out of 2.00 Question text The lymphatic system plays a role in maintaining fluid balance within the body by Select one: a. adding lymph to GI tract secretions. b. returning interstitial fluid to the plasma. c. transporting lymph from tissues to the liver. d. carrying excess fluid to the kidneys to be excreted. e. actively absorbing fluid from the blood. Question 20 Correct 2.00 points out of 2.00 Question text The lymphatic system is involved in Select one: a. lipid absorption from the digestive tract. b. transporting lymph from the intestines to the liver. c. maintenance of pH in the tissues. d. production of erythrocytes. e. protein metabolism. [Show More]

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