A patient who has chronic constipation asks the nurse about the use of psyllium (Metamucil). Which information will the nurse include in the response?
Dietary sources of fiber should be eliminated to prevent excessive gas formation.
Use of this type of laxative to prevent constipation does not cause adverse effects.
Fiber-containing laxatives may reduce the absorption of fat-soluble vitamins.
Large amounts of fluid should be taken to prevent impaction or bowel obstruction.
The Correct Answer is D
Rationale:
A. Dietary sources of fiber should not be eliminated; in fact, fiber from food complements the effect of psyllium and supports normal bowel function.
B. Fiber-containing laxatives can have adverse effects, such as bloating, gas, or, rarely, intestinal obstruction if not taken with adequate fluid.
C. Psyllium does not significantly reduce absorption of fat-soluble vitamins; this concern is more relevant to certain other medications, like cholestyramine.
D. Psyllium absorbs water in the intestines, forming a bulky stool. To prevent fecal impaction or bowel obstruction, it is essential to take large amounts of fluid when using this type of laxative.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","E"]
Explanation
Rationale:
A. Maintaining a healthy weight reduces pressure on the abdomen and can help prevent worsening of a hiatal hernia.
B. Elevating the head of the bed helps prevent reflux of gastric contents during sleep.
C. Reducing fluids is not recommended; adequate hydration is important.
D. Remaining upright (not lying down) after meals is recommended; lying down for half an hour increases reflux risk.
E. Limiting caffeine, spicy foods, and other reflux-triggering foods helps reduce symptoms associated with hiatal hernia.
Correct Answer is B
Explanation
Rationale:
A. The color change of stool is not the purpose of the laxative.
B. A laxative is necessary to help eliminate barium from the gastrointestinal tract, preventing constipation or impaction.
C. The laxative is not used to prevent magnesium absorption; this is unrelated to a barium study.
D. While facilities have protocols, the explanation should focus on patient safety and the purpose of the intervention, not just policy.
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