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 B
Explanation
A) Incorrect. Untreated GERD is not directly associated with the development of gallstones.
B) Correct. Untreated GERD can lead to complications such as esophagitis (inflammation of the esophagus), ulcers in the esophagus, and strictures (narrowing of the esophagus). These complications can significantly impact a client's health.
C) Incorrect. Untreated GERD does not lead to the formation of kidney stones.
D) Incorrect. Untreated GERD is not directly associated with the development of high blood pressure.
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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