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. Avoiding hand hygiene is not an effective way to prevent gastroenteritis; in fact, it increases the risk of infection.
B) Correct. Proper hand hygiene, including washing hands frequently, especially before handling food, is a key measure in preventing the spread of gastroenteritis.
C) Incorrect. Consuming undercooked meats and unpasteurized dairy products can actually increase the risk of gastroenteritis due to potential bacterial contamination.
D) Incorrect. Sharing personal items can increase the risk of spreading gastroenteritis, as the virus or bacteria can be easily transmitted through shared items.
Correct Answer is B
Explanation
- A: Drinking plenty of fluids is essential for staying hydrated, especially when experiencing gastroenteritis, which can lead to significant fluid loss due to vomiting and diarrhea.
- B: Spicy foods can irritate the digestive system and exacerbate symptoms of gastroenteritis. They should be avoided until full recovery to prevent further irritation.
- C: Dairy products can be difficult to digest during episodes of gastroenteritis and avoiding them can help minimize symptoms such as diarrhea and stomach upset.
- D: Bland, easily digestible foods are recommended during recovery from gastroenteritis as they are gentle on the stomach and can help in gradually restoring normal digestion.
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