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The Dermatologist’s Board Review - April 2020

The Dermatologist’s Board Review - April 2020

1. This is the only skin lesion on this patient. The lesion always recurs in exactly the same place after ingestion of a particular drug. Which drug is most commonly implicated in this type of reaction?

a) Loratadine
b) Trimethoprim-sulfamethoxazole
c) Terbinafine
d) Ciprofloxacin
e) Finasteride


2. Which test below would be most helpful to establish the correct diagnosis of half and half nails?

a) Renal function tests
b) Serum uric acid
c) Liver function tests
d) Serum lipid panel
e) Serum protein electrophoresis



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