Which of the following would be considered a diphtheroid?
A) Corynebacterium sp.
B) Nocardia sp.
C) Erysipelotghrix rhusiopathiae
D) Listeria monocytogenes

Question

Quizplus · Accepted Answer

Corynebacterium is a genus of Gram-positive, aerobic, rod-shaped bacteria. They are often referred to as diphtheroids because they are closely related to Corynebacterium diphtheriae, the causative agent of diphtheria. Nocardia (B) is a genus of aerobic, Gram-positive bacteria that are known to cause infections in humans and animals. Erysipelotghrix rhusiopathiae (C) is a Gram-positive, non-spore-forming rod-shaped bacterium that is the causative agent of swine erysipelas. Listeria monocytogenes (D) is a Gram-positive, non-spore-forming bacterium that is commonly found in soil and water. It is known to cause listeriosis, a serious infection that can be fatal in some cases.

Which of the Following Would Be Considered a Diphtheroid