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USMLE STEP 1 Question of the Day 78
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Subscribe for daily Step 1 questions and more medical education content! • Correct Answer: D. Aldosterone • Topic: Endocrine • Explanation: • The zona glomerulosa, the outermost layer of the adrenal cortex, primarily secretes aldosterone, a mineralocorticoid involved in regulating sodium and potassium balance and blood pressure. • A) Catecholamines (like epinephrine and norepinephrine) are secreted by the adrenal medulla, not the cortex. • B) Androgens (e.g., dehydroepiandrosterone or DHEA) are secreted by the zona reticularis, the innermost layer of the adrenal cortex. • C) Cortisol, a glucocorticoid, is secreted by the zona fasciculata, the middle layer of the adrenal cortex. • • Tags: #usmlestudents #usmle #step1 #step1prep #step2 #nbme #usmleprep #usmlepreparation #usmlestep1review #usmlestep #usmleexams #med #meded #medicalschool #medicaleducation #medicalexam #medical #medicalstudent #questionoftheday #qotd #qbank #freestepstudying #viralreels #viralshorts #viralshortvideo
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