1. A patient presents with the lesion shown below. Which of the following drugs should be
given as post-exposure prophylaxis (PEP) for this disease?
Correct Answer: B. Doxycycline
2. A 45-year-old white woman with clinical findings suggestive of Cushing syndrome has2
elevated late night salivary cortisol levels and 2 elevated urinary free-cortisol tests of220
and 300 (normal 2-50mg/24 hour); her ACTH level is 55 (normal 5-50pg/mL), and her
pituitary MRI shows a 3mm adenoma. Which of the followings is the best next course of
action?
Correct answer: (D) High-dose dexamethasone suppression test (HDDST) and/or
corticotropin-releasing hormone (CRH) stimulation test.
3. A female patient with primary hypothyroidism has been stable (normal TSH) on
replacement LT4 (dose 1.6μg/kg of body weight) for several years. On annual follow-up,
the following laboratory tests are obtained: T4 = 14.1μg/dL (normal 5.0-10.5) and TSH =
23.4μU/mL (normal 0.4-5.5). Which is the most likely diagnosis?
Correct answer: (D) Poor compliance this past year, with recent attempt to “catch up” with
excessive LT4 intake.
4. Which of the following is the organism most frequently implicated in toxic shock
syndrome in women who are using tampons?
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