Which of the following is true of secondary drugs to treat tuberculosis? Select all that apply
A) Secondary drugs are less effective than primary drugs.
B) Secondary drugs are more toxic than primary drugs.
C) Secondary drugs are used to treat extrapulmonary TB.
D) Secondary drugs are used to treat drug-resistant TB.
E) Secondary drugs are used as the first line to treat HIV patients with TB.
Ans: A, B, C, D
Feedback:
Secondary drugs are used to treat extrapulmonary and drug-resistant TB. Secondary drugs are less effective and more toxic than primary drugs used to treat TB.
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