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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A) Incorrect. Spicy and greasy foods can exacerbate gastrointestinal symptoms and should be avoided during the recovery phase of gastroenteritis.
B) Correct. Dairy products can be hard to digest for some individuals with gastroenteritis, so it's recommended to avoid them until symptoms completely resolve.
C) Incorrect. While fiber is important for a balanced diet, increasing fiber intake may exacerbate symptoms in the acute phase of gastroenteritis.
D) Incorrect. Large amounts of fatty foods can be difficult to digest and may worsen gastrointestinal symptoms, so they should be avoided during recovery.
Correct Answer is A
Explanation
A) Correct. Headache can be a symptom of dehydration, which is a common complication of gastroenteritis due to fluid loss through diarrhea and vomiting.
B) Incorrect. Muscle weakness is not a typical symptom of gastroenteritis.
C) Incorrect. Visual disturbances are not typically associated with gastroenteritis.
D) Incorrect. Chest pain is not a common symptom of gastroenteritis.
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