A client asks a nurse why tuberculosis (TB) can remain latent in the body for many years without causing symptoms. What is the nurse's best explanation?
"TB bacteria are dormant and do not replicate in the body during latent infection."
"The immune system immediately eliminates TB bacteria during the latent phase."
"Latent TB infection occurs in the lungs, where it does not cause symptoms."
"TB bacteria actively multiply in the body but at a very slow rate during latency."
The Correct Answer is A
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.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) Incorrect. It is not recommended to skip doses, but if the client experiences side effects, they should inform their healthcare provider rather than discontinuing treatment without guidance.
B) Incorrect. TB treatment must be completed in its entirety, even if the client starts to feel better. Stopping treatment prematurely can lead to drug resistance and a relapse of the disease.
C) Correct. Taking medications consistently and for the full duration of treatment is crucial to cure TB and prevent drug resistance.
D) Incorrect. Medications for TB should not be shared with family members or others, as they need individualized treatment and evaluation.
Correct Answer is C
Explanation
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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