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."

Answer and Explanation

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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Correct Answer is B

Explanation

A) Incorrect. Being symptom-free for only 24 hours may not be sufficient to ensure full recovery from gastroenteritis.

B) Correct. It is important to wait until all symptoms, including diarrhea, vomiting, and abdominal pain, have completely resolved before returning to work to prevent the spread of infection.

C) Incorrect. Returning to work when only feeling slightly better may risk spreading the infection to others.

D) Incorrect. 48 hours of symptom improvement may not be sufficient to ensure full recovery from gastroenteritis. It is important to wait until all symptoms have completely resolved.

A. "Avoid drinking any fluids until the diarrhea stops completely." B. "Drink clear fluids like water, broth, and oral rehydration solutions." C. "Consume large quantities of caffeinated beverages to maintain hydration." D. "Focus on drinking fruit juices and carbonated beverages for quick recovery."

Correct Answer is B

Explanation

A) Incorrect. Avoiding fluids can lead to dehydration. It's important to maintain hydration, especially in cases of gastroenteritis.

B) Correct. Clear fluids like water, broth, and oral rehydration solutions help replace lost fluids and electrolytes, preventing dehydration.

C) Incorrect. Caffeinated beverages can lead to further dehydration due to their diuretic effect, so they should be avoided.

D) Incorrect. Fruit juices and carbonated beverages can exacerbate gastrointestinal symptoms and are not recommended during the acute phase of gastroenteritis.

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A client with bacterial gastroenteritis asks the nurse about the mechanism of action of the causative bacteria. What response by the nurse is correct?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

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