Dry, itchy plaques on her elbows and knees have prompted a 23-year-old woman to seek care. The clinician has subsequently diagnosed the client with psoriasis, a disorder that results from:
A) Increased epidermal cell turnover
B) An IgE-mediated immune reaction
C) Hormonal influences on sebaceous gland activity
D) Human papillomaviruses (HPV)
Ans: A
Feedback:
Psoriasis is characterized by increased epidermal cell turnover with marked epidermal thickening, a process called hyperkeratosis. Hives are caused by an IgE-mediated immune reaction, and HPV causes warts. Dysfunction of the sebaceous glands results in acne.
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