Question

93 A microorganism that causes disease in people with weakened body defences is called a(n): Select...

93

A microorganism that causes disease in people with weakened body defences is called a(n):

Select one:

A. Parasite.

B. True pathogen.

C. Opportunist.

D. Commensal organism.

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Answer #1

Correct Answer is option C : Opportunist

●●Opportunistic infections are those infections which occurs due to bacteria, fungi, viruses or commensal organisms that has normal  inhabition in the human body and dont cause disease in healthy people, but become pathogenic when the defense system of the body is impaired.

Such infections caused in immunocompromised patients who has less bodily defense system .. Causes of immunodeficiency may be AIDS , excess use of steroids , genetic defects , and other infections.

Common opportunistic infections are

  • cryptococcal meningitis.
  • toxoplasmosis.
  • oesophageal candidiasis.
  • certain cancers, including Kaposi's sarcoma.

●●

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