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Exam IV Key 2007

Exam IV Key 2007 - Examination IV VPHY 3100 Elements of...

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Examination IV VPHY 3100 Elements of Physiology April 30, 2007 1:25 - 2:15 p.m. Multiple Choice (2.5 points each) Choose the best answer 1. Which of the following does NOT correctly describe kidney function? The kidneys: A. contribute significantly to long-term regulation of arterial blood pressure by maintaining the proper plasma volume. B. *produce urine of a fixed composition in order to maintain homeostasis of extracellular fluid. C. assist in maintaining proper acid-base balance in the body. D. secrete hormones. 2. Which of the following statements concerning the process of glomerular filtration is correct? 3. The amount of a substance that is excreted in the urine is equal to the amount that is _____ plus the amount that is _____ minus the amount that is _____. 4. The renal autoregulation on the glomeruli results in 5. Which of the following substances has a clearance rate that is greater than the glomerular filtration rate? A. *PAH. B. urea. C. glucose. D. potassium. 6. Which one of the following conditions has the lowest osmolality? 1
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7. Which of the following is NOT true of the countercurrent multiplier mechanism?
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