What is the diagnosis of an umbilicated, pearly white, asymptomatic skin lesion?
AEBV
BHSV
CMolluscum contagiosum
DNone of the options
An 18-year-old man has facial and upper back lesions that have waxed and waned for the past 6 years. On physical examination, there are 0.3- to 0.9-cm comedones, erythematous papules, nodules, and pustules most numerous on the lower face and posterior upper trunk. Other family members have been affected by this condition at a similar age. The lesions worsen during a 5-day cruise to the Adriatic. Which of the following organisms is most likely to play a key role in the pathogenesis of these lesions?
APropionibacterium acnes
BHerpes simplex virus type 1
CGroup A β-hemolytic streptococcus
DMycobacterium leprae
A patient, a resident of Himachal Pradesh, presented with a series of ulcers in a row on his right leg. The biopsy from the affected area was taken and cultured on Sabouraud's dextrose agar. What is the most likely causative organism?
ACladosporium spp.
BPseudoallescheria boydii
CNocardia brasiliensis
DSporothrix schenckii
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