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USMLE · Question #502
USMLE Question #502: Real Exam Question with Answer & Explanation
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Question
A 15-year-old girl comes to the physician because of a 3-month history of acne. Breast and pubic hair development began at the age of 12 years. Menarche occurred at the age of 14 years. Physical examination shows scattered open and closed comedones over the cheeks and forehead. Breast and pubic hair development is Tanner stage 5. Which of the following is the most likely underlying cause of this patient's acne?
Options
- ADecreased parasympathetic stimulation to the sebaceous glands
- BIncreased estrogen stimulation of the sebaceous glands
- CIncreased responsiveness of the sebaceous glands to follicle-stimulating hormone
- DIncreased sympathetic stimulation to the sebaceous glands
- EStimulation of the sebaceous glands by androgens
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