The Student Asks a Professor to Explain How Tuberculosis (TB)

question 16

Multiple Choice

The student asks a professor to explain how tuberculosis (TB) can remain dormant in some people. What explanation by the professor is best?

• A)It does not remain dormant but some host defenses can kill the bacteria.
• B)The bacilli can become isolated within tubercles in the lungs.
• C)Macrophages attack and phagocytize new areas of infection.
• D)Virulence factors in the bacilli weaken over time leading to apoptosis.

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