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

Collection of Medicine MCQs (Cardiovascular system) for medical students. Concept based MCQs with detailed explanations which help students to gain valuable insights and gain an edge in competitive examinations. More than just answering MCQs, the explanations will improve the knowledge and understanding about the conditions discussed. Also useful for MD students who are preparing for Superspeciality entrance examinations. Medicine MCQs - Cardiovascular System Kindle Edition: Click Here for a Preview. Comments and suggestions are most welcome.

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
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