A client with tuberculosis(TB) who is homeless and has been living in shelters for the past 6 months asks the nurse why he must take so many medications. What information will the nurse provide in answering this question?

Correct Answer: D

Rationale: The nurse tells the client that multiple drug regimens are able to destroy organisms as quickly as possible and reduce the emergence of drug-resistant organisms. Combination drug therapy is the most effective method for treating TB and preventing transmission.

Correct Answer: A

Rationale: Antigens trigger immune responses, leading to antibody production.

Correct Answer: D

Rationale: Hand hygiene is the simplest, most effective way to break the chain of infection.

Correct Answer: C

Rationale: The chain of infection has six distinct links.

Correct Answer: A

Rationale: Testing without symptoms is unnecessary and discouraged.