MEDICAL
KIDNEY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The hormone ADH usually acts on the
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Glomerulus
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Proximal convoluted tubule
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Loop of Henle
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Distal convoluted tubule and collecting duct
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Explanation:
Detailed explanation-1: -The main action of ADH in the kidney is to regulate the volume and osmolarity of the urine. Specifically, it acts in the distal convoluted tubule (DCT) and collecting ducts (CD). During states of increased plasma osmolality, ADH secretion is increased.
Detailed explanation-2: -ADH mainly acts on collecting ducts of kidney and increase the water reabsorption in this part.
Detailed explanation-3: -Antidiuretic hormone binds to receptors on cells in the collecting ducts of the kidney and promotes reabsorption of water back into the circulation. In the absense of antidiuretic hormone, the collecting ducts are virtually impermiable to water, and it flows out as urine.
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