The nurse is providing education to a patient who has been prescribed both an antacid and ranitidine (an H2 receptor blocker). Which instruction should the nurse give the patient about taking the medications?
Take the antacid 1 hour after the ranitidine.
The antacid and ranitidine should be taken at the same time for better effect.
Take both medications at the same time before meals.
Patient can't take both of these medications and needs to be on one of these medications only.
The Correct Answer is A
Choice A reason:
Taking an antacid one hour after ranitidine is recommended because antacids can affect the absorption of H2 receptor blockers like ranitidine. Ranitidine works by reducing stomach acid production, whereas antacids neutralize existing acid. Taking the antacid too close to the ranitidine can reduce the effectiveness of the ranitidine by altering the stomach's pH balance and affecting its absorption.
Choice B reason:
Taking an antacid and ranitidine at the same time does not enhance their effect. In fact, this can interfere with the absorption and effectiveness of ranitidine. Antacids can increase the pH of the stomach, which may reduce the absorption of ranitidine, thus diminishing its acid-reducing effects.
Choice C reason:
Taking both medications at the same time before meals is not advisable for the same reason as above. The simultaneous administration can reduce the effectiveness of ranitidine, as the increased pH caused by the antacid can interfere with the absorption of the H2 receptor blocker, thereby not providing the intended therapeutic effect.
Choice D reason:
The patient can take both medications, but they should be timed correctly to ensure optimal effectiveness. Saying that the patient needs to be on one medication only is incorrect. Both medications can be used together, but the antacid should be taken after ranitidine to avoid any interaction that might impair the effectiveness of ranitidine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason:
True is the correct answer. Cardiac cells can endure ischemic conditions for approximately 20 minutes before irreversible injury occurs. Beyond this period, the lack of oxygen and nutrients leads to cell death and permanent damage to the heart tissue. This understanding is crucial in acute cardiac care, where timely intervention can prevent irreversible damage.
Choice B reason:
False is incorrect because it does not align with the known tolerance period of cardiac cells to ischemic conditions. The 20-minute window is critical for initiating interventions that can save heart tissue from permanent damage.
Correct Answer is B
Explanation
Choice A reason:
As mentioned earlier, infusion reactions are common with Amphotericin B, including symptoms like fever and chills. Therefore, recognizing that these reactions occur is correct and indicates a proper understanding of the medication's effects.
Choice B reason:
Rapid administration of Amphotericin B is incorrect because it increases the risk of severe side effects. The infusion should be slow to ensure patient safety, indicating that the student needs further teaching on this point. Thus, this choice is incorrect and suggests a misunderstanding.
Choice C reason:
Frequent rotation of the IV site or the use of a central line is standard practice to minimize the risk of phlebitis. This practice is correct and shows that the student understands how to manage the complications associated with Amphotericin B infusion.
Choice D reason:
Amphotericin B's primary use is to treat systemic fungal infections. This is a correct statement, reflecting an accurate understanding of the drug's purpose and does not require further teaching.
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