MEDICINE MCQ
ENDOCRINOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Major stimulus of growth hormone secretion
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Sleep
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Somatostatin
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Fasting and High protein diet
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Levodopa
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Explanation:
Detailed explanation-1: -Sleep-related secretion of GH appears to be primarily dependent on the release of growth hormone-releasing-hormone . Rodent and human studies have shown that growth hormone-releasing hormone injections decrease wakefulness and increase SWS.
Detailed explanation-2: -Melatonin is the only known hormone synthesized by the pineal gland and is released in response to darkness hence the name, “hormone of darkness” [10]. Melatonin provides a circadian and seasonal signal to the organisms in vertebrates.
Detailed explanation-3: -The vast majority of HGH is released into the bloodstream during deep or “slow wave” sleep which occurs during the third and fourth stages of the full five stage sleep cycle.
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