A nurse is assisting with teaching a newly licensed nurse about the function of the large intestine. Which of the following information should the nurse include?
It produces vitamin D.
It absorbs liquid to form stool.
It secretes enzymes to digest food.
It prevents the reflux of food into the esophagus.
The Correct Answer is B
A. It produces vitamin D: The skin, not the large intestine, produces vitamin D when exposed to sunlight.
B. It absorbs liquid to form stool: The large intestine reabsorbs water and electrolytes, forming solid stool.
C. It secretes enzymes to digest food: Enzyme secretion for digestion occurs in the stomach and small intestine, not the large intestine.
D. It prevents the reflux of food into the esophagus: The esophageal sphincter prevents reflux, not the large intestine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. "We will rotate the probe of the pulse oximeter every 24 hours.": Rotating the probe prevents skin breakdown from prolonged pressure.
B. "The probe of the pulse oximeter can be applied to a finger or a toe.": This is an appropriate placement for infants to ensure accurate readings.
C. "The pulse oximeter might not be accurate during times of excessive movement.": Movement artifacts can lead to inaccurate readings.
D. "We will notify the doctor if the pulse oximeter consistently reads 100%.": A consistent reading of 100% is likely inaccurate, as it suggests potential equipment malfunction or improper placement. Oxygen saturation of 100% is rare, especially in clients requiring supplemental oxygen.
Correct Answer is D
Explanation
A. Use toilet paper to transfer the stool specimen: Incorrect. Toilet paper is not sterile and can contaminate the sample. Use a clean applicator or stick.
B. Collect two stool specimens from the same area of the stool: Incorrect. Collect specimens from two different areas to increase accuracy.
C. Apply four drops of developing solution to each stool specimen: Incorrect. The number of drops may vary depending on the test kit instructions.
D. Wait 30 seconds after applying the developing solution to obtain the results: This allows the solution to react with any blood present in the stool, providing accurate results.
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