Multiple choice

Which of the following statements regarding water balance and the kidney is correct?

  1. Aquaporin is the main hormone regulating water reabsorption.

  2. The key hormone regulating water reabsorption is secreted from the anterior pituitary gland.

  3. The vasa recta is the same structure as the loop of Henle.

  4. There is no limit to how much the body can concentrate urine.

  5. There are osmoreceptors in the hypothalamus.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

There are osmoreceptors in the hypothalamus, which detect an increase in plasma osmolality. In response to input from these receptors and other stimuli, cells in the posterior pituitary gland release ADH.

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