VMD-0117
QUESTION
The stage in pox lesions involved with spread of virus?
OPTIONS
(A) Papule
(B) Vesicle
(C) Macula
(D) Pustule
ANSWER
(B) Vesicle
EXPLANATION
The vesicular stage of a pox lesion contains abundant virus in vesicular fluid and is important in dissemination to adjacent tissue or susceptible contacts. Macules and papules are earlier developmental stages, while pustules are later inflammatory lesions; the vesicle is the stage classically associated with spread.
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