10 free SPEX practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
SPEX Practice Test 9Tutor mode
Question 1 of 10
Patient Care: Diagnosis
A 32-year-old woman with bipolar II disorder began taking lamotrigine 3 weeks ago, and the dose was increased last week. Two days ago, she developed fever and a sore throat, followed by painful, dusky red macules on her face and trunk that have begun to blister. Temperature is 38.6°C (101.5°F), pulse is 112/min, and blood pressure is 112/70 mm Hg. There are erosions of the lips and oral mucosa and bilateral conjunctival injection. Epidermal detachment involves about 6% of the body surface area, and gentle lateral pressure separates the epidermis. Which of the following is the most likely diagnosis?