SampleTestQuestionsYingst2008

SampleTestQuestionsYingst2008 - PSL 431 First Hourly Exam...

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9/17/08 1 Sample Test Questions Dr. Douglas R. Yingst Department of Physiology Wayne State School of Medicine PSL 7010 Graduate Physiology Sept. 16, 2008 The diagram illustrates possible changes in red blood cell volume resulting from a change in extracellular fluid composition for a cell equilibrated in a 150 mmol/L solution of sodium chloride (NaCl) at time 0. Which curve best illustrates the volume change caused by immersion of the cell in an aqueous solution of 200 mosmol/L NaCl and 200 mosmol/L glycerol, which is permeable? 0 Time (seconds) Initial Volume A B C D E Question #1
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9/17/08 2 A 32-year-old man is recovering from third degree burns over 50% of his body surface area. His serum potassium level is low (2.9 mEq/L), which is common in healing burn victims. He exhibits postural hypotension (i.e., blood pressure falls on standing) and skeletal muscle weakness. If the equilibrium potential for K+ in a neuron is –105 mV
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SampleTestQuestionsYingst2008 - PSL 431 First Hourly Exam...

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