Question

BIOL 1620o, Spring 2019 NAME (Last, Preferred First): Date: 45. What is the most important means by which capillay exchange occurs? 53. Which of the following organs does NOT contain lymphatic tissue? A. liver B. spleen C. lingual tonsils A. exocytosis B. diffusiorn C. ATP powered pumps D. facilitated diffusion E. pharyngeal tonsils. 46.According to Poiseuille's law A. blood flow is not related to resistance. B. ph of the blood influences flow C. viscosity of the blood is not related to flow D, if resistance increases, flow increases. E. if resistance increases, flow decreases. 54.Macrophages are derived from A. B. lymphocytes. C. monocytes. D. basophils E. eosinophils. 47.Epinephrine A. causes vasodilation of coronary blood vessels. B. eauses vasoconstriction of blood vessels in skeletal muscle. C. decreases red blood cell count. D. decreases the force of contraction 55. When innate immunity is activated A. each exposare is very specific. B. previous exposures are C. each exposure prodaces the same response. D. the second exposure docs not produce a response 48. When there is a drop in blood pressure, the body reacts 56. Which of the following is true of adaptive immunity? A. It is present at birth B. Previous encounters with the foreign substance does not change the response. C. The second response is faster and stronger than the first response D. Responses are general, not specific. B. chemoreceptor mechanism. C. stress-relaxation mechanism. D, 49. The chemoreceptor reflexes help maintain homeostasis A. under normal conditions. B, when carbon dioxide levels increase C. when stimulated by changes in blood osmotie pressure. 57.Antibodies A play a large role in cell-mediated immunity. B. are produced by both T and B cells. C. are not specific, but act generally. D. have a variable region that binds to a specific antigenic determinant, D. when epinephrine levels increase. 50. The exchange of nutrients and gases between the blood and tissue cells is the primary function of А.veins $8. Transfusing a person with plasma proteins from a person or an animal that has been actively immunized against a specifie antigen provides A. active immunity B. passive inmmunity C. no immunity D. autoimmunity E. natural immunity C. arterioles. D. capillaries. E. venules. 51. Which of the following hormones does NOT influence blood pressure? A. ADH B. epinephrine 59.A child is born with a congenital disease that results in total loss of B cells. Which of the following would be a consequence of this immunodeficiency? D. growth hormone A. lack of antibody formation B. nonfunctioning complement system C. inability to form any type of memory cell D. no antigens on the cells 52. What is the order of the blood vessels that a red blood cell would pass through as the blood leaves the heart, travels to a tissue, and then returns to the heart? A. arteriole, artery, capillary, vein, venule B. capillary, arteriole, artery, vein, venule C. artery, arteriole, capillary, venule, vein D. vein, capillary, artery, arteriole, venule E artery, venule, capillary, arteriole, vein RGD BIOL 1620, Spring 2019 NAME (Last, Preferred First): FINAL EXAM Date: 60. Adenoids are enlarged 68.B-cells A. are a subset of T cells B. when activated become plasma cells and produce antibodies. C. are responsible for forming all the body's memory cells. D. suppress the activity of T cells. E. mature in the thymus. A. lingual tonsils B. pharyngeal tonsils. C. palatine tonsils. D. axillary lymph nodes. 61. The thymus is wheremature and become functional 69. Ventilation refers to the immune cells. A. movement of air into and out of the lungs B. gas exchange between the blood and the tissues. C. transportation of oxygen and carbon dioxide in the blood. D. gas exchange between the air in the lungs and the blood E. respiration at the cellular level A. pre-T cells B. pre-B cells C. macrophages D. null cells E. C cells 70. Which of the following is a passageway for both air and 62. The process of eliminating those lymphocytes that react or respond against self-antigens is call A. trachea B. larynx C. pharymx D. bronchus E. esophagus C. negative selection. D, natural selection 63. Positive selection of lymphocytes refers to the A processing of an antigen by n macrophage B. proliferation of natural killer cells. C. production of antigen-specific antibodies D. survival of pre-B and pre-T cells that are capable of anti- immune response. E. replication of memory cells. 71.When air passes through the glostis, which stractures vibrate to produce sound? A. thyroid Solds B, ventricular Solds C. epiglottal cords D. cricohyoid folds E. vocal folds (cords) 64. The spleen A. filters damaged red blood cells from the blood. B. is necessary for life. It cant be removed without causing death. 72. Gas exchange between the air in the lungs and the blood takes place in the A alveoli. B. primary bronchi. C. terminal bronchioles D. trachea. E. respiratory beonchi. C. produces several different hormones with unknown funetion. D. has additional digestive functions 65. The only structures that filter lymph is/are the A. tonsils. B. spleen. C. lymph nodes. D, thymus. 73. What type of alveolar cells produce surfactant? A. ciliated simple cuboidal epithelial cells B. Type I pneumocytes C. Type II pneumoeytes D, macrophages 66. The immunoglobulin that is pentamerie is A. IgD. B. IgA. C. IgM D. IgE E. IsG 74. When the inspiratory mascles contract A. thoracic volume increases. B. pleural pressure increases C. the alveolar pressure increases. E. thoracic volume decreases. 67. Which of the following is a subpopulation of T cells? A. cytotoxic B. antigenic C. cytokinetic D. antitoxic 75. The volume of air inspired or expired with each breath is the A. residual volume. B. inspiratory reserve volume. C. tidal volume. D. expiratory reserve volume RGD BIOL 1620, Spring 2019 AME (Last, Preferred First): FINAL EXAM Date: 76.What is the volume of air that can be forcibly expired after expiration of the tidal volume? A. residual volume B. inspiratory reserve volume C. vital capacity D. expiratory reserve volume 83. Which of the following is a function of the liver? A. produce digestive enzymes B. symthesize hormones C. produce hydrochloric acid D. synthesize bile E. regulate pH 77.Mr. Huff and Puff is getting ready to blow up a pool float because he cant find the air pump. He takes a big breath in after exhaling normally. The air be takes in is the 84.The digestive functions performed by saliva and salivary amylase respectively are A. flushing and protein digestion. B. swallowing and fat digestion. C. moistening and carbohydrate digestion. D, None of these choices is correct A. inspiratory reserve volume B. vital capac C. inspiratory capacity D. tidal volume. 85.Inability of the pylorie sphincter to open would prevent A. food from entering the stomach. B. stomach acid from being released C. digestive enzymes from being released D. food from entering the small intestine. E. the making of chyme. 78.Oxygen and carbon dioxide are exchanged across the respiratory membrane by the process of A. active transport. B. diffuslon. C. filtration 86. Why doesnt the stomach get digested itself by its enzymes? A. The stomach wall lacks proteins so enzymes won't attack it B. The digestive enzymes in the stomach arent efficient enough C. The stomach lining is too tough to be digested D. The stomach wall is protected by large amounts of mucus. E. The stomach is protected by HCL E. cotransport. 79. Which blood component is NOT correctly matched with its function? A. erythrocytes transport oxygen B. leukocytes-protect against disease C. platelets phagocytize bacteria 87. What portion of the small intestine is most distal from the pylorus of the stomach? A. jejunum B. duodenam C. ileum D, common bile duct D. plasma proteins-maintain blood osmotic pressure; involved in clotting E. monocytes -become macrophages 80. Which of the following increases the rate of gas exchange across the respiratory membrane? A. increased fluid in the alveoli 88. What is the main stimulus for bile secretion from the B. increased surface area of the respiratory membrane C. increased connective tissue in the alveolar wall gallbladder A. cholecystokinin (CCk) B. vagal stimulation C secretirn D. decreased surface area of the respiratory membrane 81. The gallbladder A. produces bile. B. is attached to the pancreas. C. stores bile. D. produces secretin. E. breaks down red blood cells. D, large amounts of protcein in the chime 89. Which of the following enzymes is found in inactive form in pancreatic juice? A. bile B. trypsin C. sucrase 82. The pancreatic islets A. are found in the wall of the stomach. B. excrete mucus. C. produce digestive enzymes D. are exocrine glands. D. lipase 90.Most nutrient absorption occurs in the A. stomach and esophagus. E. are endocrine glands. B. duodenum and jejunum. C. ascending colon and cecum. D. pancreatic duct and gall bladder E. ileum and transverse colon. RGD BIOL 1620, Spring 2019 NAME (Last, Preferred First): FINAL EXAM Date: 91.Urine is carried from the kidneys to the urinary bladder by E. sodium ions are transported out of the cell: hydrogen ions are transported into the cell. the A. urethra B. ureter. C. calyces. D. renal tubules. 96. Renin converts A. angiotensin II to angiotensin L B. angiotensinogen to angiotensin I C. angiotensin II to angiotensin III. D. angiotensinogen to angiotensin I1. 92. Voluntary micturition A. involves higher brain centers B. involves control of the internal sphincter C. is common in infants. D. involves control of no mascles. 97.The juxtaglomerular apparatus in kidney secretes A. renin. B. ADH C, oxytocin. D. aldosterone. E. angiotensin. 93. With aging, a loss of inhibitory action potentials to the sacral region of the spinal cord resalts in A. increased bladder capacity. B. voluntary micturition. C. continuous dribbling of urine. D. unoontrollable micturition. 98. Angiotensin II A. is a potent vasodilator B. stimulates aldosterone secretion. C. acts on the collecting ducts to increase reabsorption or water D. decreases blood pressure. 94. All of the following are major processes essential to urine production, except A. micturition 99.Increased aldosterone causes increased А. urine volime. B. sodium secretion. C. potassium secretion D reabsorption of hydrogen ions. E. filtrate formation. B. filtration C. tubular secretion D tubular reabsorption 95,in the sodium-hydrogen antiport system. A. both sodium ions and hydrogen ions are transported into the tubular lumen. B. both sodium ions and hydrogen ions are transported into the tubular cell. C. sodium ions are transported into the cell; hydrogen ions are transported out of the cell. D, sodium ions are transported into the tubular lumen; hydrogen ions are transported into the cell 100.The urinary bladder A. stores urine until it is voided. B. empties to the exterior via the ureters. C. is superior to the kidney D. filters urind

Answer 1

45, diffusion

46, blood flow not related to resistance

47, causes vasoconstriction of skeletal blood vessels

48,baroreceptor

49,when carbon dioxide levels increase

50,capillaries

51,growth hormone

52,c

53,liver

54 monocyte

55, c

56,c

57,d

58,b,passive immunity

59,a ,lack of antibody formation

60,p pharyngeal tonsil