Multiple choice

Actinomycosis is caused by ______.

  1. virus

  2. bacteria

  3. fungus

  4. unknown factor
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  1.  It is a chronic granulomatous infection caused by actinomyces israelli mainly.
    1. Actinomyces are true bacteria; however, they superficially resemble resemble fungi, and hence called ray fungus. Actinomyces are positive bacteria.
    2.  Actinomycosis is also called lumpy jaw.

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