Answer to Question 1
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.
Answer to Question 2
Ans: B, E
Feedback:
Noninclusion of pyrazinamide in the initial treatment phase, positive sputum culture after completion of initial treatment, and positive sputum culture after initial treatment in a client with previously diagnosed HIV infections would warrant a continuation of the treatment phase.