Nokea
The nurse is reviewing the medication orders for a patient who will be taking an H2 antagonist. Which drug may have an interaction if taken along with the H2 antagonist?
- A. Ibuprofen
- B. Cimetidine
- C. Tetracycline
- D. Ketoconazole
Correct Answer: D
Rationale: All H2 receptor antagonists may inhibit the absorption of certain drugs, such as the antifungal ketoconazole, that require an acidic gastrointestinal environment for gastric absorption.
You may also like to solve these questions
A patient is receiving an aluminum-containing antacid. The nurse will inform the patient to watch for which possible adverse effect?
- A. Diarrhea
- B. Constipation
- C. Nausea
- D. Abdominal cramping
Correct Answer: B
Rationale: Aluminum-based antacids have a constipating effect as well as an acid-neutralizing capacity.
A 75-year-old woman comes into the clinic and states she has had muscle twitching, nausea, and headache. She tells the nurse that she has been taking sodium bicarbonate five or six times a day for the past 3 weeks. The nurse will assess for which potential problem that may occur with overuse of sodium bicarbonate?
- A. Constipation
- B. Metabolic acidosis
- C. Metabolic alkalosis
- D. Excessive gastric mucus
Correct Answer: C
Rationale: Excessive use of sodium bicarbonate may lead to systemic alkalosis.
During an admission assessment, the patient tells the nurse that he has been self-treating his heartburn for 1 year with over-the-counter Prilosec OTC (omeprazole, a proton pump inhibitor). The nurse is aware that this self-treatment may have which result?
- A. No serious consequences
- B. Prevention of more serious problems, such as an ulcer
- C. Chronic constipation
- D. Masked symptoms of serious underlying diseases
Correct Answer: D
Rationale: Long-term self-medication with antacids may mask symptoms of serious underlying diseases, such as bleeding ulcer or malignancy. Patients with ongoing symptoms need to undergo regular medical evaluations, because additional medications or other interventions may be needed.
At 0900, the nurse is about to give morning medications, and the patient has asked for a dose of antacid for severe heartburn. Which schedule for the antacid and medications is correct?
- A. Give both the antacid and medications at 0900.
- B. Give the antacid at 0900, and then the medications at 0900.
- C. Give the medications at 0900, and then the antacid at 1900.
- D. Give the medications at 0900, and then the antacid at 0915.
Correct Answer: C
Rationale: Medications are not to be taken, unless prescribed, within 1 to 2 hours of taking an antacid because of the impact on the absorption of many medications in the stomach.
A patient who has been taking cimetidine for hyperacidity calls the clinic to say that the medication has not been effective. The nurse reviews his history and notes that which factor may be influencing the effectiveness of this drug?
- A. He takes the cimetidine with meals.
- B. He smokes two packs of cigarettes a day.
- C. He drinks a glass of water with each dose.
- D. He takes an antacid 3 hours after the cimetidine dose.
Correct Answer: B
Rationale: Smoking may impair the absorption of H2 antagonists.