Which of the following statements is TRUE regarding tuberculosis?
A) It remains viable in dried aerosol droplets for up to eight months.
B) Several hundred cells are required for infection.
C) The immune system is not affected by the infection.
D) It occurs only in the lungs.
E) Only virulent strains of Mycobacterium tuberculosis produce mycolic acid.
Correct Answer:
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A) irritating
A) adenylate cyclase toxin.
B) pyrogenic
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