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 C
Explanation
A) Incorrect. Mild abdominal cramping and bloating are common symptoms of gastroenteritis and may not require immediate intervention.
B) Incorrect. While absence of bowel movements for 24 hours is concerning, it may not be an immediate emergency compared to other options.
C) Correct. The presence of blood in stool or dark, tarry stools indicates potential gastrointestinal bleeding, which requires immediate attention.
D) Incorrect. Nausea and occasional vomiting are common symptoms of gastroenteritis and may not be an immediate concern.
Correct Answer is B
Explanation
A) Incorrect. While viral gastroenteritis can lead to complications, chronic kidney disease is not a typical outcome.
B) Correct. One potential complication of viral gastroenteritis is the development of electrolyte imbalances, such as low potassium levels, due to excessive vomiting and diarrhea.
C) Incorrect. Permanent changes in vision are not associated with viral gastroenteritis.
D) Incorrect. While complications are not extremely common, they can occur, especially in severe cases.
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