HISTOLOGY
URINARY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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This structure is responsible for almost 70% of the reabsorption that takes place in the nephron
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PCT
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DCT
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Loop of Henle
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Collecting Duct
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Explanation:
Detailed explanation-1: -Approximately 70%–90% of the filtered HCO3− is reabsorbed by the proximal tubule.
Detailed explanation-2: -Proximal tubules are responsible for reabsorbing approximately 65% of filtered load and most, if not all, of filtered amino acids, glucose, solutes, and low molecular weight proteins. Proximal tubules also play a key role in regulating acid-base balance by reabsorbing approximately 80% of filtered bicarbonate.
Detailed explanation-3: -The majority of water reabsorption that occurs in the nephron is facilitated by the AQPs. Most of the fluid that is filtered at the glomerulus is then reabsorbed in the proximal tubule and the descending limb of the loop of Henle.
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