PATHOLOGY MCQ
ENDOCRINE SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What type of hormone is composed of cholesterol?
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Steroid hormones
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Nonsteroid hormones
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both
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neither
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Explanation:
Detailed explanation-1: -Steroid hormones are a group of hormones derived from cholesterol that act as chemical messengers in the body. The steroid hormones regulate many physiologic processes, including the development and function of the reproductive system.
Detailed explanation-2: -All classes of steroid hormones, glucocorticoids, mineralocorticoids, and sex hormones, are derivatives of cholesterol.
Detailed explanation-3: -Cholesterol and Steroid Synthesis Cholesterol is the sole precursor of steroids. Steroid synthesis is initiated at the inner mitochondrial membrane (IMM), where the cytochrome P450 cholesterol side chain cleavage enzyme (CYP11A1) catalyzes the conversion of cholesterol to pregnenolone [1].
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