A nurse is explaining the process of collecting sputum samples for tuberculosis (TB) testing to a client. Which instruction should the nurse provide to ensure an accurate sample?
"Collect sputum samples immediately after waking up in the morning."
"Rinse your mouth with water before collecting the sputum to ensure cleanliness."
"Avoid deep coughing when producing sputum samples."
"Collect sputum samples in any container you have available."
The Correct Answer is A
A) Correct. Sputum samples are often most concentrated with TB bacteria when collected in the morning, as they have had time to accumulate overnight.
B) Incorrect. Rinsing the mouth before collecting sputum may dilute the sample and reduce its accuracy.
C) Incorrect. Deep coughing is encouraged to obtain samples from the lower respiratory tract, where TB bacteria are more likely to be present.
D) Incorrect. Sputum samples should be collected in specific containers designed for this purpose to maintain sample integrity and avoid contamination.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A) Correct. During latent TB infection, TB bacteria are in a dormant state and do not actively replicate or cause symptoms. They can become active and multiply if the immune system weakens.
B) Incorrect. While the immune system can control TB bacteria during latency, it does not immediately eliminate them.
C) Incorrect. Latent TB infection can occur in various parts of the body, not just the lungs, and it typically does not cause symptoms.
D) Incorrect. TB bacteria in latent infection are in a dormant state and do not actively multiply, although they remain viable.
Correct Answer is B
Explanation
A) Incorrect. The symptoms described are more indicative of active TB disease rather than latent TB infection.
B) Correct. Night sweats, fatigue, and unexplained weight loss are classic symptoms of active TB disease.
C) Incorrect. TB exposure without infection typically does not present with these symptoms.
D) Incorrect. Atypical pneumonia may have different symptoms, and it is not the most likely diagnosis based on the symptoms provided.
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