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 A

Explanation

A. Kaposi's Sarcoma is a cancer commonly associated with AIDS, characterized by purple or brown lesions on the skin and mucous membranes. It is linked to human herpesvirus-8 (HHV-8) and is often seen in immunocompromised individuals.

B. Candidiasis stomatitis involves oral or esophageal thrush, presenting as white patches rather than purple or brown lesions.

C. Cryptosporidiosis is a parasitic infection causing severe diarrhea but does not manifest as skin lesions.

D. Meningitis can cause neurological symptoms and systemic infection but does not present with purple or brown skin spots.

Correct Answer is ["1.3"]

Explanation

To calculate the dosage of clindamycin, first convert the patient's weight from pounds to kilograms, knowing that 1 kg equals 2.2 lbs. The patient weighs 88 lbs, which is equivalent to 40 kg (88 lbs / 2.2 lbs per kg). The prescribed dose is 10 mg/kg/day, so the patient requires 400 mg/day (10 mg/kg * 40 kg). Since the medication is to be administered in two divided doses, each dose will be half of the daily requirement, resulting in 200 mg per dose. The medication is supplied at a concentration of 150 mg/mL, so to find out how many milliliters per dose, divide the dose in milligrams by the concentration: 200 mg / 150 mg/mL, which equals 1.33 mL. Rounded to the nearest tenth, the nurse will administer 1.3 mL per dose.

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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?

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Naxlex Comprehensive Predictor Exams

The patient diagnosed with acquired immunodeficiency syndrome (AIDS) states that they have developed purple, brown spots on their body. Which opportunistic infection does the nurse suspect?

Correct Answer is A

Explanation

A physician prescribes clindamycin 10 mg/kg/day IV in two divided doses for respiratory tract infection. The medication is supplied 150 mg/mL. The patient weighs 88 lbs. How much will the nurse administer per dose? (round to the nearest tenth)

Correct Answer is ["1.3"]

Explanation

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