Which of the following is TRUE about tuberculosis?

Question

Quizplus · Accepted Answer

A) For most individuals, cell-mediated immunity is lifelong: This statement is true. Cell-mediated immunity is the primary defense mechanism against tuberculosis and for most individuals, it provides lifelong protection against the disease.
B) The disease agent infects about one-third of the world's population: This statement is also true. According to the World Health Organization (WHO), around 1/3 of the world's population is infected with tuberculosis.
C) Although good chemotherapy is available, mycobacterial resistance to isoniazid and other drugs is increasing: This statement is also true. Drug-resistant tuberculosis is a growing concern worldwide, and mycobacteria are becoming increasingly resistant to commonly used drugs like isoniazid.

Which of the Following Is TRUE About Tuberculosis