UKMLA Applied Knowledge Test (MSRA-style single best answer) · Musculoskeletal, Dermatology, Haematology, Genetics, Cancer and Palliative Care

Dermatology

8 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 8 questions

  1. A 55-year-old has a pigmented lesion with an irregular border, variegated colour, a diameter of 8 mm and recent growth. What is the most appropriate action?
  2. A pearly nodule with rolled edges, telangiectasia and central ulceration is found on the nose of an elderly man. What is the likely diagnosis?
  3. A 30-year-old has well-demarcated silvery scaly plaques on the extensor surfaces of the elbows and knees. Which topical treatment is usually used first for stable plaque psoriasis?
  4. A child with atopic eczema develops a sudden spread of painful punched-out erosions with fever. What is the correct management?
  5. A patient develops fever, painful skin and mucosal erosions with widespread blistering and epidermal detachment two weeks after starting allopurinol. What is the immediate management?
  6. Which is the correct way of using permethrin 5 percent cream for scabies?
  7. What is the usual first-line antibiotic for non-purulent cellulitis in an adult without penicillin allergy in the UK?
  8. An elderly patient has large tense blisters on the limbs, with intact mucosae, and immunofluorescence shows linear IgG and C3 at the basement membrane. What is the diagnosis?

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