A nurse is explaining the pathophysiology of tuberculosis (TB) to a group of nursing students. Which statement accurately describes the role of granulomas in TB infection?
"Granulomas are formed by the immune system to encapsulate and destroy TB bacteria."
"Granulomas are clusters of active TB bacteria in the lungs."
"TB bacteria do not interact with the immune system within granulomas."
"Granulomas are the primary site of TB bacteria replication."
The Correct Answer is A
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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Related Questions
Correct Answer is D
Explanation
A) Incorrect. While coughing up blood can occur in TB, it should not be considered common and should always be evaluated.
B) Incorrect. Coughing up blood should prompt evaluation and treatment but does not necessarily require immediate hospitalization.
C) Incorrect. Coughing up blood is a concerning symptom that should not be dismissed as unrelated to TB.
D) Correct. Coughing up blood (hemoptysis) is a possible symptom of TB and should be reported to a healthcare provider for further assessment and management.
Correct Answer is B
Explanation
A) Incorrect. Covering the mouth when coughing is important, as it helps prevent the spread of respiratory droplets to others.
B) Correct. Coughing and sneezing into a tissue or the elbow helps contain respiratory droplets and reduces the risk of transmission.
C) Incorrect. Wearing a mask when coughing can be beneficial to prevent the spread of respiratory droplets, especially in crowded settings.
D) Incorrect. Ventilating living spaces by keeping windows and doors open, not closed, helps reduce the concentration of infectious particles in the air.
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