Kaplan Biology Subject Test 3

Kaplan Biology Subject Test 3 - _ BIOLOGY SUBJECT TEST 3...

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_________________________________________________________________________ BIOLOGY SUBJECT TEST 3 KAPLAN 1 Biology Subject Test 3 1. Which enzyme changes disaccharides to monosaccharides? A Lactase B. Kinase C. Zymogen D. Lipase E. Phosphorylase 2. A heart beat is initiated by the pacemaker, which is A. also known as the atrioventricular (AV) node. B. also known as the sinoatrial node. C. located in the wall of the right ventricle. D. functionally dependent upon nervous stimulation. E. located in the brain. 3. In the digestive system, all of the following are true except A. digestive enzymes from the pancreas are released via a duct into the duodenum. B. peristalsis is a wave of smooth muscle contraction that proceeds along the digestive tract. C. in the small intestine, villi absorb nutrients into both the lymphatic and circulatory systems. D. the low pH of the stomach is essential for the function of carbohydrate digestive enzymes. E. the release of bile from the gall bladder is triggered by the hormone cholecystokinin. 4. In the kidney A. nephrons are located only in the cortex of the organ. B. ammonia is converted to urea. C. both glucose and water are actively reabsorbed from the glomerular filtrate. D. antidiuretic hormone causes the reabsorption of water from the collecting tubule. E. filtration of the blood begins at the glomerulus and ends at the loop of Henle. 5. Which of the following statements about blood is false? A. Mature red blood cells are not nucleated. B. Blood platelets are involved in the clotting process. C. The adult spleen is a site of red blood cell development. D. White blood cells are capable of phagocytosing foreign matter. E. New red blood cells are constantly developing in the bone marrow. 6. In the nervous system A. myelination of nerves permits faster rates of impulse conductance. B. an excitatory neurotransmitter causes hyperpolarization of the post-synaptic membrane. C. the autonomic nervous system mediates voluntary functions. D. during an action potential, first K + rushes in. E. during an action potential, first K + rushes out of the cell and then Na + rushes in. 7. Which of the following is a normal pathway of blood flow? A. Right ventricle to aorta B. Pulmonary veins to left atrium C. Inferior vena cava to left atrium D. Pulmonary veins to left ventricle E. Left ventricle to pulmonary artery 8. Which of the following associations of brain structure and function is false? A. Hypothalamus : appetite B. Cerebellum : motor coordination C. Cerebral cortex : higher intellectual function D. Reticular activating system : sensory processing E. Medulla : basic emotional drives
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BIOLOGY SUBJECT TEST 3 _________________________________________________________________________ 2 KAPLAN 9. Which pairing of digestive enzyme and type of substrate is incorrect? A. Ptyalin (salivary amylase) : proteins
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Kaplan Biology Subject Test 3 - _ BIOLOGY SUBJECT TEST 3...

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