A client with bacterial gastroenteritis asks the nurse about the mechanism of action of the causative bacteria. What response by the nurse is correct?
"The bacteria release toxins that directly damage the gastrointestinal lining."
"The bacteria invade and destroy the cells lining the small intestine."
"The bacteria induce an immune response leading to inflammation."
"The bacteria disrupt the balance of normal gut flora."
The Correct Answer is A
A) Correct. Many bacteria that cause gastroenteritis release toxins that directly damage the gastrointestinal lining.
B) Incorrect. While invasion of cells can occur with certain bacteria, it is not the primary mechanism of action for all bacterial gastroenteritis.
C) Incorrect. While inflammation is a common response to bacterial infection, it may not be the primary mechanism of all cases of bacterial gastroenteritis.
D) Incorrect. Disruption of normal gut flora is more commonly associated with certain types of antibiotics rather than the direct mechanism of bacteria causing gastroenteritis.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A) Incorrect. Avoiding hand hygiene is not an effective way to prevent gastroenteritis; in fact, it increases the risk of infection.
B) Incorrect. Sharing personal items can increase the risk of spreading gastroenteritis, as the virus or bacteria can be easily transmitted through shared items.
C) Incorrect. While alcohol-based hand sanitizers can be used in the absence of soap and water, they are not as effective as proper handwashing.
D) Correct. Proper hand hygiene, especially after using the restroom, is crucial in preventing the spread of gastroenteritis, as it reduces the risk of contaminating hands with potentially infectious agents.
Correct Answer is A
Explanation
A) Correct. Skin turgor and mucous membranes are important indicators of hydration status, which is a critical concern in clients with gastroenteritis.
B) Incorrect. While blood pressure and heart rate are important vital signs, they may not provide immediate information about the client's hydration status.
C) Incorrect. Urinary output and specific gravity are important indicators of renal function, but they may not provide immediate information about the client's hydration status.
D) Incorrect. Respiratory rate and lung sounds are important assessments, but they may not provide immediate information about the client's hydration status.
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