Which is a common adverse effect of magnesium-based antacid preparations?

Constipation

Diarrhea

Heartburn

Rebound indigestion

Answer and Explanation

The Correct Answer is B

A. Constipation: This is a common side effect of calcium-based or aluminum-based antacids, not magnesium-based.

B. Diarrhea: Magnesium-based antacid preparations, such as magnesium hydroxide, commonly cause diarrhea because magnesium has an osmotic effect in the intestines, drawing water into the bowel and increasing motility.

C. Heartburn: Magnesium-based antacids are used to treat heartburn, not cause it.

D. Rebound indigestion: This is more commonly associated with calcium-based antacids, such as calcium carbonate.

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Correct Answer is A

Explanation

A. "Administer with a full glass of water.": Psyllium is a bulk-forming laxative that absorbs water in the intestines. Sufficient hydration is essential to prevent obstruction or impaction.

B. "Avoid mixing in juice.": Psyllium can be mixed in any non-carbonated liquid, including juice, making this instruction unnecessary.

C. "Fat-soluble vitamin deficiency is common.": Psyllium does not interfere with fat-soluble vitamin absorption, so this statement is incorrect.

D. "Limit the intake of high-fiber foods.": Psyllium complements a high-fiber diet, so restricting fiber is counterproductive.

A. 2 hours after the H2 antagonist B. Within an hour after the H2 antagonist C. With the H2 antagonist D. 30 minutes prior to the H2 antagonist

Correct Answer is A

Explanation

A. 2 hours after the H2 antagonist: Antacids should be administered at least 1 to 2 hours after H2 antagonists to avoid reducing the effectiveness of the H2 antagonist. H2 antagonists work by reducing stomach acid, and antacids neutralize it, so taking them too close together may reduce the effectiveness of both.

B. Within an hour after the H2 antagonist: This is incorrect because taking an antacid too soon after an H2 antagonist can interfere with the drug's action.

C. With the H2 antagonist: This is incorrect because administering antacids with an H2 antagonist could reduce the effectiveness of both medications.

D. 30 minutes prior to the H2 antagonist: This is incorrect because antacids should not be given before the H2 antagonist, as it may decrease the medication's effectiveness.

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Which is a common adverse effect of magnesium-based antacid preparations?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which instruction will the nurse include in the discharge teaching of a patient taking psyllium?

Correct Answer is A

Explanation

The nurse is planning to administer an antacid to a patient diagnosed with PUD who will receive an H2 antagonist at 8:00 AM. When is the most appropriate time for the nurse to provide the antacid to this patient?

Correct Answer is A

Explanation

The nurse is assessing a patient with constipation. Which situation(s) would cause constipation? (Select all that apply.)

What action should a nurse implement to prevent complications in a patient with hepatitis who has been prescribed bed rest?

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