Pratice exam - Name:_ Student ID#:_ BILD 2 Final Exam (1000...

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Name:_______________________ Student ID#:_____________________ BILD 2 Final Exam (1000 points total)
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Name:_______________________ Student ID#:_____________________ PART 1. MULTIPLE CHOICE – 50 QUESTIONS. Choose the one alternative that best completes the statement or answers the question. (10 points each) 1) Which of the following is NOT descriptive of endotherms? A. efficient circulatory and gas exchange systems B. ability to sustain vigorous activity C. high metabolic rate and retained metabolic heat D. ability to deal with terrestrial temperature fluctuations E. energetically efficient and relatively inexpensive 2) The least reliable indicator of an animal's metabolic rate would be the amount of A. ATP produced within its cells. B. water it drinks. C. oxygen it inspires. D. carbon dioxide it expires. E. heat it generates. 3) Consider a husband and wife sharing a bed, with each one having an electric blanket. Their controls become switched. When the husband feels cold, he turns up the control. This warms up his spouse, who turns down her control. This chills the husband, who turns up his control even more. The process continues. For both the wife and the husband, this would be an example of A. negative feedback. B. positive feedback. C. homeostasis. D. regulated change. E. integrated control. 4) Consider the energy budgets for a human, an elephant, a penguin, a mouse, and a python. The ________ would have the highest total annual energy expenditure, and the ________ would have the highest energy expenditure per unit mass. A. elephant; mouse B. elephant; human C. human; penguin D. mouse; python E. penguin; mouse 5) All of the following are steroid hormones except A. androgen. B. cortisol. C. insulin. D. estrogen. E. testosterone. 6) After ingestion, the first type of macromolecule to be worked on by enzymes in the human digestive system is A. protein. B. carbohydrate. C. fat. D. nucleic acid. E. glucose. 7) Which of the following statement(s) about bile salts is (are) true ? Bile salts A. are enzymes. B. are manufactured by the pancreas. C. emulsify fats in the duodenum. D. increase the efficiency of pepsin action. E. are normally an ingredient of gastric juice.
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Name:_______________________ Student ID#:_____________________ 8) In a human, the aorta directly attaches to A. the top of the right atrium. B. the top of the right ventricle. C. the bottom of the left ventricle. D. the top of the left ventricle. E. the bottom of the right atrium. 9) A human red blood cell in an artery of the left arm is on its way to deliver oxygen to a cell in the thumb. From this point in the artery, how many capillary beds must this red blood cell pass through before it returns to the left ventricle of the heart? A. one
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Pratice exam - Name:_ Student ID#:_ BILD 2 Final Exam (1000...

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