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Physiology Practice Test: The Urinary System - Renal Function
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Physiology Practice Test: The Urinary System - Renal Function
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25 Questions

1. Within the kidneys, what membrane has microvillli?
2. The peritubular capillaries and vasa recta drain into hat veins?
3. The primary function of the kidneys involves regulating the ________ and the ________ of plasma and interstitial fluid.
4. What is the functional unit of the kidney?
5. Which of the following equations for determining clearance is correct?
6. What structure is formed by the thickening of the smooth muscle cell wall surrounding the bladder that regulates the flow of urine from the bladder.
7. How does the sympathetic nervous system decrease glomerular filtration rate?
8. Which of the following conditions would increase glomerular filtration pressure?
9. In tubuloglomerular feedback, an increase in glomerular filtration rate would increase the ________, thereby stimulating the release of a paracrine factor from the macula densa that would ________.
10. Where does blood leaving the glomerulus go to next?
11. If the glomerular filtration rate is 150 mL/min, renal blood flow is 750 mL/min, and the plasma concentration of solute X is 10 ng/mL, then what is the filtered load of X?
12. Which of the following equations for determining clearance is correct?
13. Bowmanʹs capsule consists of the renal corpuscle and glomerulus.
14. Which of the forces across the glomerular capillaries tends to increase from the afferent to the efferent arteriole ends?
15. When the solute concentration is high enough in the lumen of the renal tubules such that all of the carrier proteins or pumps for that solute are occupied, the system is operating at ________.
16. Solutes that enter the lumen of the renal tubules are excreted unless they are ________.
17. If the amount of solute excreted per minute is greater than the filtered load, then the NET effect on the solute is ________.
18. Which of the following is FALSE concerning renal handling of glucose?
19. During micturition, neural activity to sphincters or detrusor muscles from which of the following is increased?
20. Calculate renal clearance of X given the following information: GFR = 100 mL/min, urine flow rate = 5 mL/min, plasma concentration of X = 10 mg/mL, urine concentration of X = 50 mg/mL.
21. Where do the collecting ducts of the renal tubules drain?
22. What type of nephrons are located within the outer region of the kidney and comprise nearly 80% of the nephrons?
23. Which of the following forms the filtration barrier?
24. How is urine moved through the ureter?
25. The vasa recta are in series with the glomerulus.

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