Moderate

Common inhabitant of throat and tonsils is______________?

Correct answer: A. Alpha hymolytic streptococci (S. viridans)

  • A. Alpha hymolytic streptococci (S. viridans)
  • B. Staphylococci
  • C. Beta hemolytic streptococci
  • D. Pneumococci

Explanation

Viridans streptococci are alpha-haemolytic organisms that commonly colonise the mouth, throat and tonsils. Pneumococci may colonise the nasopharynx, but they are not the usual normal flora of the tonsils.

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