A nurse is preparing to administer dopamine hydrochloride 4 mcg/kg/min via continuous infusion.

Available is dopamine hydrochloride in a solution of 800 mg in a 250 mL bag.

The client weighs 80 kg. The nurse should set the IV infusion to deliver how many mL/hr? (Round the answer to the nearest whole number.

Use a leading zero if it applies.)

4 mL/hr.

5 mL/hr.

6 mL/hr.

7 mL/hr.

Answer and Explanation

The Correct Answer is C

Step 1: Convert the dopamine hydrochloride dose from mcg to mg. We know that 1 mg = 1000 mcg. So, 4 mcg = 0.004 mg.

Step 2: Calculate the total amount of dopamine hydrochloride the client needs per minute. We know that the client weighs 80 kg and the dose is 0.004 mg/kg/min. So, 0.004 mg/kg/min × 80 kg = 0.32 mg/min.

Step 3: Convert the total amount of dopamine hydrochloride the client needs per minute to an hourly rate. We know that 1 hour = 60 minutes. So, 0.32 mg/min × 60 min/hr = 19.2 mg/hr.

Step 4: Calculate the volume of the solution that contains 19.2 mg of dopamine hydrochloride. We know that the solution contains 800 mg in 250 mL. So, (19.2 mg ÷ 800 mg) × 250 mL = 6 mL.

Therefore, the nurse should set the IV infusion to deliver 6 mL/hr (rounded to the nearest whole number).

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Correct Answer is B

Explanation

Choice A rationale:

Requesting a provider to evaluate the client in person every 36 hours might be necessary in certain situations but is not directly related to the management of a client in seclusion and restraints. It does not ensure the immediate safety and well-being of the client in this scenario.

Choice B rationale:

Documenting the client's behavior every 15 minutes is essential when a client is in seclusion and restraints. Regular and detailed documentation is crucial to monitor the client's response to the intervention, ensuring their safety, and providing necessary information for the healthcare team.

Choice C rationale:

Ensuring that the prescription for restraints be renewed every 6 hours is important to prevent unnecessary or prolonged use of restraints, but it doesn't address the immediate need for monitoring the client in seclusion and restraints.

Choice D rationale:

Monitoring the client every 30 minutes while restrained might not provide timely information, especially if the client's condition deteriorates rapidly. More frequent monitoring, such as every 15 minutes, allows for closer observation and quicker response to any changes in the client's status.

A. Decreased BUN level B. Decreased hemoglobin level C. Increased urinary output D. Increased weight of 0.91 kg (2 lb)

Correct Answer is C

Explanation

The correct answer is C. Increased urinary output indicates that furosemide, a loop diuretic, is effective in reducing fluid retention and edema in clients with heart failure. The other findings are not indicative of furosemide effectiveness and may suggest adverse effects or complications. Decreased BUN level may indicate overhydration or liver dysfunction. Decreased hemoglobin level may indicate anemia or bleeding. Increased weight of 0.91 kg (2 lb) may indicate fluid overload or worsening heart failure.

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Naxlex Comprehensive Predictor Exams

A nurse in an acute care mental health facility is placing a client in seclusion and restraints.Which of the following actions should the nurse plan to take?

Correct Answer is B

Explanation

A nurse is collecting data from a client who has heart failure and is taking furosemide. Which of the following findings should indicate to the nurse that the medication is effective?

Correct Answer is C

Explanation

A nurse is consulting a pharmacological reference about medication compatibility prior to administering warfarin to a client.Which of the following medications should the nurse identify as being incompatible with warfarin?

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