psoriasis

Practice targeted AMC-style multiple-choice questions on psoriasis.

A 32-year-old woman presents to her GP complaining of a new, intensely itchy rash on her elbows, knees, and scalp. On examination, the GP notes symmetrical, erythematous papules and plaques with overlying silvery scales. The patient reports a family history of similar skin conditions. What is the most likely diagnosis?

A. Contact Dermatitis

B. Tinea Corporis

C. Pityriasis Rosea

D. Eczema (Atopic Dermatitis)

E. Psoriasis

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A 22-year-old female presents with a strange tongue appearance after brushing her teeth, with no pain. She has a history of pustular psoriasis. What is the next step?

A. Reassure - no treatment needed.

B. Prescribe oral antifungal.

C. Daily AB mouthwash until the tongue is normal.

D. Biopsy of tongue lesion.

E. Refer to a dermatologist.

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A 25-year-old man presents to the clinic with a 2-week history of a painful, swollen right knee. He denies any trauma or recent travel. He has a history of psoriasis. On examination, the right knee is warm, swollen, and tender with a reduced range of motion. There are no other joint abnormalities. What is the most likely diagnosis?

A. Gout

B. Septic arthritis

C. Psoriatic arthritis

D. Reactive arthritis

E. Rheumatoid arthritis

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psoriasis

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