A client diagnosed with active TB disease is prescribed a multidrug regimen. What is the primary purpose of using multiple drugs to treat TB?
To reduce drug resistance
To minimize side effects
To shorten the treatment duration
To improve patient compliance
The Correct Answer is A
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.
QUESTIONS
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A) Incorrect. A complete blood count (CBC) may reveal abnormalities associated with TB, but it does not directly confirm the presence of Mycobacterium tuberculosis in sputum samples.
B) Correct. Polymerase chain reaction (PCR) is a molecular test that can detect the genetic material of Mycobacterium tuberculosis in sputum samples, providing a confirmatory diagnosis.
C) Incorrect. The tuberculin skin test (TST) is a screening test for TB infection, not a test for confirming active disease in sputum samples.
D) Incorrect. Gram stain is a laboratory technique used to visualize the characteristics of bacterial cells but is not specific for Mycobacterium tuberculosis.
Correct Answer is A
Explanation
A) Correct. LTBI is not contagious, as the bacteria are dormant and not actively causing illness. Active TB disease, on the other hand, is contagious and can be transmitted to others through respiratory droplets.
B) Incorrect. LTBI is not contagious, whereas active TB disease is contagious.
C) Incorrect. LTBI and active TB disease have different symptoms and treatment approaches. LTBI has no symptoms, while active TB disease presents with symptoms and requires treatment to prevent progression.
D) Incorrect. LTBI does not always progress to active TB disease. In fact, many individuals with LTBI do not develop active disease, but they are at risk, especially if their immune system becomes compromised.
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