Multiple choice

Mycobacterium tuberculosis cells growing in macrophages are filamentous and deficient in FtsZ rings, and are killed by which of the following constituents of defense mechanism?

  1. Complement

  2. Reactive oxygen and nitrogen intermediates

  3. Antibodies

  4. Cytotoxic T-cells

  5. Cytokines released from Th1 cells
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

These mechanisms come into play when the macrophage is activated. Other mechanisms, e.g. peptide defensins and cationic proteins may also contribute to killing.

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