Musculoskeletal and Dermatology Flashcards
7 cards from real AMC MCQ practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Musculoskeletal and Dermatology flashcards as text
A woman has a malar 'butterfly' rash, photosensitivity, arthralgia and a positive ANA. What is the most likely diagnosis?
Answer: Systemic lupus erythematosus
A photosensitive malar rash with arthralgia and positive ANA suggests SLE.
Which medication is first-line for an acute attack of gout in a patient without renal impairment?
Answer: NSAID such as indomethacin
NSAIDs (or colchicine) treat acute gout; allopurinol is not started during an acute attack.
A patient on long-term corticosteroids is at greatest risk of which musculoskeletal complication?
Answer: Osteoporosis
Chronic corticosteroid use accelerates bone loss, increasing osteoporosis and fracture risk.
An elderly patient with polymyalgia rheumatica develops a new headache and jaw claudication. What complication must be excluded urgently?
Answer: Giant cell (temporal) arteritis
Headache and jaw claudication signal giant cell arteritis, which can cause irreversible blindness.
A patient presents with widespread blistering and skin sloughing involving more than 30% of the body surface after starting a new drug. What is the most likely diagnosis?
Answer: Toxic epidermal necrolysis
Extensive epidermal detachment (over 30% BSA) after a drug indicates toxic epidermal necrolysis.
Which feature differentiates psoriatic arthritis from rheumatoid arthritis?
Answer: Distal interphalangeal joint involvement with nail pitting
Psoriatic arthritis often involves the DIP joints with nail pitting and dactylitis.
A teenager presents with a circular, scaly lesion with central clearing and a raised advancing border. What is the most likely diagnosis?
Answer: Tinea corporis
An annular lesion with central clearing and a scaly active edge is classic for tinea corporis (ringworm).