The two species of coagulase-negative staphylococci most often isolated in clinical laboratories are
A) Staphylococcus aureus and S. epidermidis.
B) S. capitus and S. lugdunensis.
C) S. epidermidis and S. saprophyticus.
D) S. saccharolyticus and S. epidermidis.

Question

Quizplus · Accepted Answer

Staphylococcus epidermidis and S. saprophyticus are the two species of coagulase-negative staphylococci most often isolated in clinical laboratories. Option A is incorrect because Staphylococcus aureus is a coagulase-positive staphylococcus. Option B and D are incorrect because S. capitus and S. lugdunensis or S. saccharolyticus are not among the most commonly isolated coagulase-negative staphylococci in clinical settings.

The Two Species of Coagulase-Negative Staphylococci Most Often Isolated in Clinical