An example of aβ-hemolytic gram-positive organism is:
A)Staphylococcus aureus.
B)S.pneumoniae.
C)Escherichia coli.
D)Enterococcus.

Question

Quizplus · Accepted Answer

The only gram-positive β-hemolytic organism in this listing of answers is S.aureus.S.pneumoniae is α-hemolytic,and Enterococcus is either α- or γ-hemolytic.Although E.coli appears to β-hemolytic on blood agar,it is a gram-negative organism.

An Example of Aβ-Hemolytic Gram-Positive Organism Is