B265 Test 2 Spring 2008

Down the electrochemical gradient bdown the

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Unformatted text preview: olus is greater than on a larger alveolus a. true b. false - PR EM ED4 11. 42. The partial pressure of nitrogen at sea level in dry air is a. 760 mm Hg b. 160 mmHg c. 0.7 mmHg d. 600 mmHg COM - PR EM ED4 11. COM 43. In high altitude acclimation, a. DPG levels increase b. hemoglobin increases its affinity for oxygen c. blood pH becomes more acidic d. all of the above - PR EM ED4 11. 44. Which respiratory pigment is the most widely distributed in the animal kingdom ? a. hemoglobin b. hemerythrin c. chlorocurorin d. myoglobin PRE MED 411 .CO MPRE M ED4 11. COM - PR EM ED4 11. COM 45. Which of the following is not true of deep diving animals ? a. the hematocrit is generally higher b. the blood space is larger c. the lungs are proportionally larger d. circulation to the muscles is reduced e. all are true - PR EME D41 1.C OM P - PR EME D41 1.C OM 46. Given a normal membrane potential in a cardiac myocyte, which ion (s) are nearly in equilibrium ? - PR EME D41 1.C OM a.Sodium and potassium b.Sodium c.Potassium d.Potassium a...
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This document was uploaded on 11/04/2011 for the course BIL 265 at University of Miami.

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