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A nurse is preparing to administer hydrocortisone 150 mg via IV bolus. Available is hydrocortisone 50 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 ["3"]

To calculate the amount of hydrocortisone to administer, we can use the following formula:

Amount to administer (mL) = (Desired dose (mg) / Available dose (mg/mL))

Plugging in the given values:

Amount to administer (mL) = (150 mg / 50 mg/mL)

Now, let's solve for the amount to administer:

Amount to administer (mL) = (150 / 50) = 3 mL

So, the nurse should administer 3 mL of hydrocortisone via IV bolus.

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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.

A. No answer is provided B. No answer is too low C. No answer is too high D. 3.5

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

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A nurse is preparing to administer hydrocortisone 150 mg via IV bolus. Available is hydrocortisone 50 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 hydrocortisone 150 mg via IV bolus. Available is hydrocortisone 50 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.)