HISTOLOGY
URINARY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Materials involved in collecting duct reabsorption. Select all that apply
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H2O
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Na+
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Urea
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K+
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Explanation:
Detailed explanation-1: -Urea absorption in the inner medullary collecting duct provides a mechanism to elevate the concentration of urea in the papillary interstitial fluid and thereby permit the excretion of urea with as little water as possible. Urea reabsorption may have another important effect-to aid in the excretion of potassium (K).
Detailed explanation-2: -The medullary portion of the collecting ducts display the highest levels of permeability to urea.
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