A client asks a nurse about the role of latent tuberculosis infection (LTBI) in the development of active TB disease. What information should the nurse provide?
"LTBI never progresses to active TB disease."
"The risk of LTBI progressing to active TB is higher in individuals with a strong immune system."
"LTBI can remain dormant for years and may progress to active TB if the immune system weakens."
"LTBI is the same as active TB disease and requires immediate treatment."
The Correct Answer is C
A) Incorrect. LTBI can progress to active TB disease if the immune system weakens or is compromised.
B) Incorrect. The risk of progression from LTBI to active TB is higher in individuals with weakened immune systems, not those with strong immune systems.
C) Correct. LTBI can remain dormant for years, and the risk of progression to active TB disease is higher when the immune system becomes compromised.
D) Incorrect. LTBI and active TB disease are distinct conditions, and LTBI does not always require immediate treatment. Treatment may be recommended for individuals at higher risk of progression to active disease.
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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 A
Explanation
A) Correct. Granulomas are structures formed by the immune system in an attempt to encapsulate and contain TB bacteria, preventing their spread and aiding in their destruction.
B) Incorrect. Granulomas are not clusters of active TB bacteria; they are the body's response to containing the bacteria.
C) Incorrect. TB bacteria interact with the immune system within granulomas, leading to the formation of these structures.
D) Incorrect. Granulomas are not the primary site of TB bacteria replication; instead, they are formed to limit bacterial replication and spread.
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