Reading Flashcards
7 cards from real ABD practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Reading flashcards as text
A 45-year-old presents with a well-demarcated, salmon-colored plaque with silvery scale on the extensor elbow. Pinpoint bleeding appears when scale is removed. What is this sign called?
Answer: Auspitz sign
The Auspitz sign is pinpoint bleeding after removal of psoriatic scale, reflecting dilated dermal capillaries.
Which histologic feature is most characteristic of psoriasis vulgaris?
Answer: Munro microabscesses
Munro microabscesses are collections of neutrophils in the stratum corneum, a hallmark of psoriasis.
A drug used for severe psoriasis inhibits dihydrofolate reductase and requires folic acid supplementation. What is it?
Answer: Methotrexate
Methotrexate inhibits dihydrofolate reductase and warrants folic acid to reduce toxicity.
Which biologic class targets IL-17A and is used for moderate-to-severe plaque psoriasis?
Answer: Secukinumab
Secukinumab is a monoclonal antibody against IL-17A effective in plaque psoriasis.
A patient with psoriasis develops new plaques along a linear scratch mark. This phenomenon is termed:
Answer: Koebner phenomenon
The Koebner phenomenon is the appearance of lesions at sites of skin trauma.
Which nail finding is most commonly associated with psoriasis?
Answer: Pitting
Nail pitting results from parakeratotic foci in the proximal nail matrix in psoriasis.
Guttate psoriasis in a child is classically preceded by which infection?
Answer: Streptococcal pharyngitis
Guttate psoriasis frequently follows a streptococcal throat infection.