Midterm1SP08key

Midterm1SP08key - BILD 2 Midterm 1 MULTIPLE CHOICE. Choose...

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BILD 2 Midterm 1
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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following are more descriptive of endotherms than ectotherms? i. ability to sustain vigorous activity ii. energetically efficient and relatively inexpensive iii. high metabolic rate and retained metabolic heat iv. ability to maintain activity in low temperatures v. body temperature varying with surroundings A. i, ii and iii B. i, iii and v C. i, iii, and iv D. ii, iv and v E. ii, iii and iv 2) The hepatic portal vein A. supplies oxygenated blood to the liver. B. drains the sinuses of the liver. C. carries absorbed nutrients to the small intestine for processing. D. carries blood from small intestine capillaries to liver capillary beds. E. carries blood from the liver to the heart. 3) Which one of these is a matrix surrounding connective tissue cells? A. villi in the small intestine. B. actin and myosin of muscle. C. leukocytes in blood. D. osteoblasts of the bone. E. chondroitin sulfate of cartilage. 4) Which common event most closely resembles negative feedback? A. You becoming sleepy listening to Dr. Towb lecture. B. You becoming cold, and putting on clothing until you are comfortable. C. You becoming hungry around lunchtime. D. The squeal of noise when a microphone gets to close to a loudspeaker. E. Seeing that the gas gauge is almost empty after an afternoon of driving. 5) Consider the energy budgets for a human, a goat, a penguin, a mouse, and a python. The ________ would have the highest energy usage per year and the ________ would have to spend the least amount of time per year eating. A. mouse; python B. goat; human C. human; python D. python; human E. human; penguin 6) The body is capable of catabolizing many substances as sources of energy. Which of the following would be used first as an energy source? A. fat in adipose tissue B. glucose in the blood C. protein in muscle cells D. glycogen in muscle cells E. cellulose in your small intestine
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7) Carbohydrates are broken down during digestion, and their breakdown products are then absorbed across the epithelium of the A. small intestine. B. large intestine. C. mouth. D. stomach. E. colon. 8) Which blood vessel(s) have the highest pO 2 ? A. carotid arteries B. coronary arteries C. pulmonary veins D. pulmonary arteries E. hepatic portal vein 9) In a human, the vena cavae (plural) empty into A. the lung capillary system. B. the right atrium. C. the left ventricle. D. the left atrium. E. the ventricular space. 10) Which organ(s) does not receive oxygenated blood from an offshoot of the aorta? A. brain B. kidneys C. placenta D. small intestine E. none of the above 11) Blood in a human artery is on its way to deliver oxygen and nutrients to cells in an arm muscle. From this artery, how many capillary beds must the blood pass through before it returns to the left
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Midterm1SP08key - BILD 2 Midterm 1 MULTIPLE CHOICE. Choose...

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