Human Physiology: Kidney Function Quiz
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Questions and Answers

What role does antidiuretic hormone (ADH) play in kidney function?

  • Decreases the secretion of aldosterone.
  • Increases renal blood flow permanently.
  • Facilitates water reabsorption in the nephron tubules. (correct)
  • Promotes sodium excretion in the urine.
  • Which component of the regulation of kidney function releases renin in response to low glomerular blood pressure?

  • Hypothalamus
  • Juxtaglomerular Apparatus (JGA) (correct)
  • Atrial Natriuretic Factor (ANF)
  • Pituitary gland
  • What effect does angiotensin II have on blood pressure?

  • It decreases blood pressure through vasodilation.
  • It increases blood pressure by acting as a vasoconstrictor. (correct)
  • It has no effect on blood pressure.
  • It solely increases heart rate.
  • How does the Atrial Natriuretic Factor (ANF) affect the renin-angiotensin system?

    <p>It causes vasodilation and decreases blood pressure.</p> Signup and view all the answers

    What initiates the signal for urination in the urinary bladder?

    <p>Stretch receptors in the bladder wall.</p> Signup and view all the answers

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