Tzanck Smears Are Prepared by

Tzanck smears are prepared by

A) pressing a microscope slide against the base of an ulcer to collect infected and noninfected cells.
B) aspirating a small "drop" of vesicle fluid and smearing this onto a microscope slide.
C) removing vesicle fluid by dabbing with a sterile gauze and then smearing this onto a microscope slide.
D) collecting fecal sample with a swab and rolling the swab onto a microscope slide.