A client with tuberculosis (TB) is prescribed a combination of medications. The client asks the nurse about the importance of completing the full course of treatment. What should the nurse emphasize?

A) Incorrect. Cervical lymphadenopathy is not specific to active pulmonary TB and can occur in extrapulmonary TB as well.

B) Incorrect. Allergic reactions typically do not result in cervical lymphadenopathy.

C) Correct. Cervical lymphadenopathy is often associated with extrapulmonary TB, as TB can affect various parts of the body, including lymph nodes.

D) Incorrect. Cervical lymphadenopathy is not necessarily indicative of a secondary bacterial infection.

A) Correct. Using multiple drugs to treat TB reduces the risk of drug resistance development, as it targets the bacteria from different angles and makes it harder for them to become resistant to one or more drugs.

B) Incorrect. While using multiple drugs may help manage side effects by spreading the burden of treatment, the primary purpose is to prevent drug resistance.

C) Incorrect. Shortening the treatment duration is a goal, but it is not the primary purpose of using multiple drugs.

D) Incorrect. Although improving patient compliance is important, the primary purpose of using multiple drugs is to reduce drug resistance.

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