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Physiology Practice Test: The Urinary System - Fluid and Electrolyte Balance
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Related Test: Physiology Practice Test: The Urinary System - Renal Function

Physiology Practice Test: The Urinary System - Fluid and Electrolyte Balance
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25 Questions

1. Which of the following is an effect of aldosterone on principal cells?
2. In a state of negative balance, the quantity of a substance in the plasma tends to increase.
3. Which of the following comparisons of osmolarity within the kidneys is INCORRECT?
4. Which of the following is NOT a compensation that would occur in response to a metabolic acidosis?
5. Under severe acidic conditions, the proximal tubules can convert ________ into bicarbonate.
6. Which of the following mechanisms is NOT important in the maintenance of the osmotic gradient within the proximal tubule that drives water movement?
7. Respiratory compensation for changes in pH are originated by ________.
8. What role do the macula densa cells have in controlling renin release?
9. Plasma can gain solutes and/or water from which of the following?
10. Hydrogen ions in the filtrate within the collecting ducts are buffered by the presence of ________.
11. The regulation of water and ion excretion occurs primarily within the ________.
12. Which of the following is associated with actions of aldosterone on principal cells?
13. Which of the following correctly describes water movement across the epithelial cells lining the collecting duct?
14. Which of the following is NOT one of the functions of angiotensin II?
15. In the renal tubules, where is the Na+/K+ pump located?
16. The hormone-induced increases in water permeability of the distal tubule and collecting ducts is mediated by a(n) ________.
17. A person must void what volume of urine per day?
18. In order to compensate for a hyperventilation, the ________.
19. Aldosterone is released from the ________ in response to ________.
20. Which of the following accurately describes the thick ascending limb of the loop of Henle?
21. Exposure of the skin to sunlight converts ________ to vitamin D3.
22. Which of the following does NOT occur as a consequence of the increased release of renin and its effects on other hormones?
23. What is the normal range of blood pH?
24. Which of the conditions listed below is NOT indicative of a decrease in plasma osmolarity?
25. Which of the following hormones is a steroid?

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