Microbiology – MCQ 51 – Normal flora of skin and mucous membranes

It is true regarding the normal microbial flora present on the skin and mucous membranes that:
A. lt cannot be eradicated by antimicrobial agents
B. It is absent in the stomach due to the acidic pH
C. It establishes in the body only after the neonatal period
D. The flora in the small bronchi is similar to that of the Trachea

Correct answer : A. lt cannot be eradicated by antimicrobial agents

Facts regarding normal flora of skin and mucous membranes

• They cannot be eradicated by antimicrobial agents. It can only decrease the number of organisms
• They are present even in the acidic pH of stomach
• They are present even at birth
• The flora of the small bronchi are different from those present in the trachea