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 ["2500"]

Explanation

The nurse needs to administer 2.5 L of 0.45% sodium chloride IV over 24 hours.

We know that 1 L is equal to 1000 mL.

So, 2.5 L is equal to 2.5 x 1000 mL/L = 2500 mL

Therefore, the nurse should administer 2500 mL over 24 hours.

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.

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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 0.45% sodium chloride 2.5 L IV to infuse over 24 hr. 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 ["2500"]

Explanation

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

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

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.)

A nurse is preparing to administer ondansetron 0.15 mg/kg IV to a client who weighs 132 lb. Available is ondansetron 2 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is preparing to administer heparin 7,500 units subcutaneous. Available is heparin 10,000 units/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.)

A nurse is preparing to administer 0.9% sodium chloride 1,200 mL IV to infuse over 8 hr. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is reviewing medications prescribed for a client. For which of the following prescriptions should the nurse contact the provider for clarification?

A nurse is preparing to administer pentamidine 4 mg/kg IM to a client who weighs 154 lb. Available is pentamidine 100 mg/mL for injection. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)