EXCRETORY SYSTEM
KIDNEY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When you drink a larger volume of water than is required by your body tissues:
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ADH secretion will be increased
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ADH secretion will be inhibited
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ADH secretion will not be affected
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None of the above
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Explanation:
Detailed explanation-1: -As a result, the reabsorption of water from the glomerular filtrate is increased. When someone drinks lots of water, requirement of absorption of water decreases, so ADH release is suppressed.
Detailed explanation-2: -The only previously known chemical inhibitor of ADH release other than water is ethanol.
Detailed explanation-3: -ADH travels in the bloodstream to the kidneys. Once at the kidneys, ADH changes the kidneys to become more permeable to water by temporarily inserting water channels, aquaporins, into the kidney tubules. Water moves out of the kidney tubules through the aquaporins, reducing urine volume.
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