What is true about the normal flora that inhabit our body surfaces?
A) most are harmful
B) they competitively exclude more harmful species
C) some produce vitamin C
D) they become even more beneficial if they invade tissues
E) all of these are true except that most are harmful

Question

Quizplus · Accepted Answer

The normal flora that inhabit our body surfaces are not harmful, rather they are beneficial. They competitively exclude more harmful species, preventing infections.

Answer: E
 The normal flora that inhabit our body surfaces are not harmful, rather they are beneficial. They competitively exclude more harmful species, preventing infections. Some also produce vitamin C. However, they do not become more beneficial if they invade tissues, as this can lead to infection and disease.

What Is True About the Normal Flora That Inhabit Our