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.
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Related Questions
Correct Answer is C
Explanation
A) Incorrect. Joint pain and swelling are not typical symptoms of pulmonary TB.
B) Incorrect. Skin rash and itching are not common symptoms of pulmonary TB.
C) Correct. Persistent cough and sputum production are common symptoms of pulmonary TB, as the disease primarily affects the lungs.
D) Incorrect. Blurred vision and eye pain are not typical symptoms of TB, although TB can affect other parts of the body in addition to the lungs.
Correct Answer is A
Explanation
A) Correct. Isolation in a negative-pressure room is the standard precaution for preventing the transmission of TB in healthcare settings, as it helps contain airborne pathogens.
B) Incorrect. While handwashing is important for general infection control, it is not the primary measure for preventing TB transmission.
C) Incorrect. Wearing a surgical mask at all times is not sufficient to prevent TB transmission, especially in a healthcare setting.
D) Incorrect. Avoiding close contact with the client is not a practical measure for healthcare professionals providing care to TB patients. Proper isolation measures are more effective.
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