Renal System Physiology Set 2

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Physiology (Renal System) 2

MCQ

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1. The maximum effect of vasopressin occurs at :

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2. The maximum clearance rate possible for a substance that is totally cleared from the plasma is equal to which of the following?

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3. What percentage of filtered sodium is reabsorbed
by the kidney?

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4. Which of the following changes tends to increase GFR?

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5. Angiotensin II causes :

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6. Na+ resorption does not occur in which part of the nephron?

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7. Which is NOT resorbed via cotransport with Na+
in the PCT?

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8. The amount of H + excreted as titratable acid bound to phosphate would be increased by all the following except :

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9. Aldosterone has its principle effect in the :

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10. Which of the following is transported via active
transport?

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11. About the proximal convoluted tubules , all are true except :

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12. A 26-year-old man develops glomerulonephritis, and his
GFR decreases by 50% and remains at that level. For which of
the following substances would you expect to find the
greatest increase in plasma concentration?

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13. Which of the following changes tends to increase
peritubular capillary fluid reabsorption?

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14. Where is the macula densa located?

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15. As urine flow increases during osmotic diuresis :

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16. About urea, all are true except :

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17. Furosemide (Lasix) is a diuretic that also produces natriuresis. Which of the following is an undesirable side effect of furosemide due to its site of action on the renal tubule?

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18. At which site does tubular fluid osmolality exceed that of
plasma by the greatest amount?

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