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

Answer and Explanation

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.

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Free Nursing Study Resources

Correct Answer is ["0.75"]

Explanation

To calculate the volume of morphine injection that the nurse should administer, we can use the following steps:

Determine the volume to be administered:

We have a concentration of 10 mg/mL.

7.5 mg ÷ 10 mg/mL = 0.75 mL

Therefore, the nurse should administer 0.75 mL of morphine injection subcutaneously.

Correct Answer is ["15"]

Explanation

To calculate the amount of the amoxicillin liquid 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 = 750 mg

Amount of drug in 1 mL = 250 mg/5 mL = 50 mg/mL

Now, let's calculate the amount to administer:

Amount to administer (mL) = 750 mg / 50 mg/mL

Amount to administer (mL) = 15 mL

Rounding to the nearest whole number, the nurse should administer 15 mL of the amoxicillin liquid suspension.

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Which of the following clients would the nurse question an order for labetalol 50 mg PO?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer morphine 7.5 mg subcutaneous. Available is morphine injection 10 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["0.75"]

Explanation

A nurse is preparing to administer amoxicillin 750 mg PO. Available is amoxicillin liquid suspension 250 mg/5 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.)

Correct Answer is ["15"]

Explanation

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A nurse is obtaining a medication history from a client who reports taking 1 oz of magnesium hydroxide daily as a laxative. The nurse should identify that this dose equates to how many mL? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)