Campylobacter spp. can sometimes be detected by direct Gram-stain examination of fecal sample, which would reveal many:
a. large, faintly staining gram-negative ba-cilli.
b. small curved or seagull-winged gram-negative bacilli.
c. small gram-negative coccobacilli.
d. plump, faintly staining gram-negative ba-cilli.
B
Because of their characteristic microscopic morphologic features, that is, their small, curved or seagull-winged, faintly staining, gram-negative rods, Campylobacter spp. can sometimes be de-tected by direct Gram-stain examination of a stool sample.
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