What organisms are described as partially acid fast and diphtheroid gram-positive rods with traces of branching on a Gram stain?
A) Rothia dentocariosa
B) Rhodococcus equi
C) Listeria monocytogenes
D) Erysipelothrix rhusiopathiae

Question

Quizplus · Accepted Answer

Rhodococcus equi is described as partially acid fast and diphtheroid gram-positive rods with traces of branching on a Gram stain. The other organisms listed do not fit this description. Listeria monocytogenes is a non-acid fast, non-branching, gram-positive rod. Rothia dentocariosa is a non-acid fast, non-branching, gram-positive coccus. Erysipelothrix rhusiopathiae is an acid fast, non-branching, gram-positive rod.

What Organisms Are Described as Partially Acid Fast and Diphtheroid