Which of the following clients would the nurse question an order for labetalol 50 mg PO?
28 year old woman with pregnancy-induced hypertension
Pizza delivery driver with 5 year history of smoking
Client with a history of uncontrolled asthma
55 year old male who had a myocardial infarction 2 days ago
The Correct Answer is C
Choice A reason: This is incorrect because labetalol is a safe and effective medication for treating hypertension in pregnancy. Labetalol is a beta-blocker that lowers blood pressure by reducing the heart rate and the force of contraction. It does not affect the blood flow to the placenta or the fetus.
Choice B reason: This is incorrect because labetalol is not contraindicated for smokers. However, smoking is a risk factor for cardiovascular disease and should be discouraged by the nurse. Smoking can increase blood pressure, heart rate, and the risk of blood clots.
Choice C reason: This is correct because labetalol is contraindicated for clients with a history of uncontrolled asthma. Labetalol is a non-selective beta-blocker that can block the beta-2 receptors in the lungs and cause bronchoconstriction. This can worsen asthma symptoms and trigger an asthma attack.
Choice D reason: This is incorrect because labetalol is a suitable medication for clients who had a myocardial infarction. Labetalol can prevent further damage to the heart muscle by reducing the oxygen demand and the workload of the heart. It can also prevent arrhythmias and angina.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["5"]
Explanation
To calculate the amount of megestrol oral suspension that the nurse should administer, we can use the following formula:
Amount to administer (mL) = (Desired dose in mg) / (Amount of drug in 1 mL)
Given:
Desired dose = 200 mg
Amount of drug in 1 mL = 40 mg/mL
Now, let's calculate the amount to administer:
Amount to administer (mL) = 200 mg / 40 mg/mL
Amount to administer (mL) = 5 mL
Rounding to the nearest whole number, the nurse should administer 5 mL of the megestrol oral suspension.
Correct Answer is ["69"]
Explanation
To calculate the amount of voriconazole to be administered, we can follow these steps:
Convert the client's weight from pounds to kilograms.
Calculate the total amount of voriconazole needed based on the client's weight.
Determine the volume of the medication to be administered based on the concentration of the available solution.
Let's proceed with the calculations:
Converting the client's weight from pounds to kilograms:
Client's weight = 127 lb
1 lb ≈ 0.453592 kg
Client's weight ≈ 127 lb 0.453592 kg/lb ≈ 57.61 kg
Calculating the total amount of voriconazole needed:
Voriconazole dose = 6 mg/kg 57.61 kg ≈ 345.66 mg
Determining the volume of the medication to be administered:
Available voriconazole concentration = 5 mg/mL
Volume to be administered = 345.66 mg / 5 mg/mL ≈ 69.132 mL
Rounding to the nearest whole number, the nurse should administer 69 mL of voriconazole.
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