t2answers - Biology 265 Second Test Form 0 1 Which gas is...

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Biology 265 Second Test Form 0 1. Which gas is least soluble in water ? a. carbon dioxide b. oxygen c. nitrogen d. all are equally soluble e. 2. According to Fick’s First Law a. The greater the diffusion coefficient, the greater the rate of diffusion b. The greater the surface area the greater the rate of diffusion c. The greater the gas gradient, the greater the rate of diffusion d. The thicker the membrane the slower the rate of diffusion e. All of the above 3. In which of the following would you expect the concentration of oxygen to be the greatest ? a. the air at the top of Mt. Everest b. freshwater at 0oC c. seawater at 0 oC d. freshwater at 20oC e. seawater at 20oC 4. Among air breathing vertebrates, a major challenge is a. the high viscosity of air b. the relatively low oxygen content compared to that of water c. keeping respiratory tissues moist d. the lower solubility of oxygen in air at lower temperatures e. the high concentration of carbon dioxide in air compared to water 5. The Bohr effect a. is the reverse of the Root effect b. increases the acidity in systemic capillaries c. influences the affinity of hemoglobin for oxygen d. describes the effect of organic phosphates on hemoglobin’s affinity for oxygen 6. The majority of carbon dioxide in vertebrates is transported as a. a dissolved gas b. carbonic acid c. CO2 bound to the heme group of hemoglobin d. bicarbonate
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7. In humans, shallow rapid breathing a. increases the CO2 levels of the blood b. increases the pH of the blood c. increases the affinity of hemoglobin for oxygen d. all of a, b, and c e. none of a,b, and c 8, Which of the following would have Malpighian tubules ? a. rattlesnake b. robin c. honey bee d. lion e. bullfrog 8. Aldosterone a. enhances potassium secretion b. enhances potassium retention c. controls water permeability of the collecting duct d. controls acid secretion of the distal tubule e. enhances sodium secretion 9. Which substance is not normally found in the primary urine of the proximal tubule ? a. serum albumin b. sodium c. amino acids d. glucose e. phosphate 10. Which of the following is associated with the actions of the rennin angiotensin system ? 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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t2answers - Biology 265 Second Test Form 0 1 Which gas is...

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