The nurse is caring for a patient diagnosed with unstable angina who is prescribed metoprolol. The patient asks the nurse, "Why do I have to take this medication?" What response by the nurse is most accurate?

"This medication will decrease how hard your heart works."

"It is prescribed to dilate your coronary arteries."

"It will prevent any irregular heartbeats."

"This medication makes your heart beat more forcefully."

Answer and Explanation

The Correct Answer is A

A. Metoprolol, a beta-blocker, decreases the heart rate and reduces myocardial oxygen demand by lowering the workload on the heart, which is beneficial for managing unstable angina.

B. While metoprolol has some vasodilatory effects, its primary action is to reduce heart workload, not to dilate coronary arteries.

C. Although beta-blockers can reduce the risk of arrhythmias, the main purpose in angina management is to decrease cardiac workload.

D. Metoprolol does not make the heart beat more forcefully; instead, it decreases the force of contraction to reduce myocardial oxygen consumption.

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Correct Answer is D

Explanation

A. A ketogenic diet does not focus on high sodium or high sugar, as high sugar intake would increase carbohydrate levels.

B. A ketogenic diet is high in fat rather than low in fat.

C. High carbohydrates are avoided in a ketogenic diet, as the goal is to limit carbohydrates to promote ketone production.

D. The ketogenic diet consists of high fat and low carbohydrates, which helps to manage seizure activity by altering the brain's energy source to ketones rather than glucose.

Correct Answer is ["0.5"]

Explanation

To administer the correct dose of Morphine, the nurse needs to calculate the volume of medication to deliver 1 mg of Morphine. Since the medication is supplied in a concentration of 2 mg per 1 mL, the nurse would administer half of the volume of the vial to provide the ordered 1 mg dose. Therefore, the nurse should administer 0.5 mL of Morphine to the patient.

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The nurse is caring for a patient diagnosed with unstable angina who is prescribed metoprolol. The patient asks the nurse, "Why do I have to take this medication?" What response by the nurse is most accurate?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The patient who is diagnosed with a seizure disorder is prescribed a ketogenic diet. The nurse knows that the patient understands the teaching when they state, "My diet will include:

Correct Answer is D

Explanation

A patient is ordered 1 mg of Morphine IV push. The medication is supplied in vials 2 mg/1 mL. What should the nurse administer? (round to the nearest tenth)

Correct Answer is ["0.5"]

Explanation

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