Which One of the Following is an Opportunistic Pathogen

Question

Which one of the following is an opportunistic pathogen?
A)Pneumocystis
B)Legionella
C)Histoplasma
D)Mycoplasma
E)rhinovirus

Accepted Answer

Pneumocystis is an opportunistic pathogen that usually infects immunocompromised individuals. Legionella, Histoplasma, and Mycoplasma are not opportunistic pathogens as they can cause disease in both immunocompromised and immunocompetent individuals. Rhinovirus is a common cause of the common cold and is not considered an opportunistic pathogen.