Opportunistic infection may develop when:
A) pathogens enter the body but cannot colonize the site of entry.
B) an imbalance occurs in the normal resident flora.
C) host resistance increases, and the balance of resident flora is restored.
D) contaminated food or water is unknowingly ingested.

Question

Quizplus · Accepted Answer

Opportunistic infections occur when there is an imbalance in the normal resident flora, often due to weakened host defenses, allowing normally harmless organisms to cause disease.

Opportunistic Infection May Develop When