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A nurse is preparing to administer voriconazole 6 mg/kg via intermittent IV bolus to a client who weighs 127 lb. Available is voriconazole 5 mg/mL. How many mL should the nurse administer?
(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["69"]

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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Correct Answer is D

Explanation

Choice A reason: This choice is incorrect because it does not provide a numerical answer to the question.

Choice B reason: This choice is incorrect because it does not provide a specific answer to the question. It also implies that there is an answer that is lower than the correct one, which is not true.

Choice C reason: This choice is incorrect because it does not provide a specific answer to the question. It also implies that there is an answer that is higher than the correct one, which is not true.

Choice D reason: This choice is correct because it is the result of dividing the ordered dose (3.5 mg) by the concentration of the vial (1 mg/mL). The formula for calculating the volume to be drawn up is:

Volume = Dose/Concentration

Therefore, the volume to be drawn up is:

Volume = 3.5 mg/(1 mg/mL) = 3.5 mL

A. 28 year old woman with pregnancy-induced hypertension B. Pizza delivery driver with 5 year history of smoking C. Client with a history of uncontrolled asthma D. 55 year old male who had a myocardial infarction 2 days ago

Correct Answer is C

Explanation

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.

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A nurse is preparing to administer voriconazole 6 mg/kg via intermittent IV bolus to a client who weighs 127 lb. Available is voriconazole 5 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

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A nurse is preparing to administer voriconazole 6 mg/kg via intermittent IV bolus to a client who weighs 127 lb. Available is voriconazole 5 mg/mL. How many mL should the nurse administer?
(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)