B265 Test 2 Spring 2008

B265 Test 2 Spring 2008 - PR EME D41 1.C OM P OM PR EME D41...

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Biology 265 Second Test Spring 2008 Form 1 1. What are the units of the gas constant used in the Nernst equation ? a. volts b. joules/mole/degree c. coulombs/mole d. joules/coulomb 2. The thickest muscle of the heart that does the most work. Match a. Proximal tubule b. descending limb of the loop of Henle c. distal tubule d. collecting duct e. ascending loop of Henle 3. Active transport of sodium: passive water movement--a 4. Permeable to urea and sometimes water--d 5. Active transport of sodium chloride: impermeable to water--e 6. Passively permeable to water only--b 7.Chemosensors in the medulla are directly stimulated by 8.Most CO2 is carried in the blood as c .Bicarbonate 9.Substance X has a clearance greater than 0 but less than inulin. What can you conclude about substance X ? a.It is not filtered b. It is filtered by neither secreted nor reabsorbed c. It is filtered and partially reabsorbed. d. It is filtered and secreted. PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.COM - PREMED411.CO M P
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10. About 65% of the glomerular filtrate is reabsorbed in 11. When the ratio of the concentration of bicarbonate to CO2 is 100 to 1,what is the pH ? a. 6.1 b. 7.2 c. 7.8 d . 8.1 12. The appearance of glucose in the urine,
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