Multiple choice

All of the following organisms are known to survive intracellularly except ______________.

  1. the Neisseria meningitides

  2. the Salmonella typhi

  3. the Streptococcus pyogenes

  4. the Legionella pneumophila
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Neisseria, salmonella typhi and legionella can survive intracellularly but not S.pyogenes.

  1. Neisseria meningitidis is found in spinal even inside leucocytes (intracellularly).
  2. Legionella can enter alveolar macrophages.
  3. Salmonella typhi can multiply within polymorphs, and hence can resist intracellular killing.

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