A nurse is preparing to administer naloxone 10 mcg/kg via IV bolus to a client who weighs 220 lb. The amount available is 0.4 mg/mL. How many mL should the nurse administer? (round off to the nearest tenth)

2.5 mL.

25 mL.

2.05 mL.

2.25 mL.

Answer and Explanation

The Correct Answer is A

Let’s break down the problem step by step:

Step 1: Convert the client’s weight from pounds (lb) to kilograms (kg). We know that 1 kg = 2.2 lbs. So, we have: 220 lb ÷ 2.2 = 100 kg

Step 2: Calculate the total amount of naloxone needed. The doctor ordered 10 mcg/kg, and the client weighs 100 kg. So, we have: 10 mcg/kg × 100 kg = 1000 mcg

Step 3: Convert micrograms (mcg) to milligrams (mg). We know that 1 mg = 1000 mcg. So, we have: 1000 mcg ÷ 1000 = 1 mg

Step 4: Calculate the volume of naloxone solution needed. The available naloxone solution is 0.4 mg/mL. So, we have: 1 mg ÷ 0.4 = 2.5 mL

So, the nurse should administer 2.5 mL of naloxone. Since we are asked to round off to the nearest tenth, the final answer remains 2.5 mL.

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Correct Answer is C

Explanation

Step 1: 100 mL ÷ 30 min

Step 2: (100 mL ÷ 30 min) × 60 min/hr

Step 3: 3.33 mL/min × 60 min/hr

Answer: 200 mL/hr

A. "This indicates a possible air leak.". B. "This means your lung is fully re-expanded.". C. "Your breathing pattern causes this.". D. "Suction pressure that is too high causes this.".

Correct Answer is C

Explanation

The fluctuation of fluid in the water-seal chamber of a chest tube is known as tidaling and is caused by the changes in pressure within the chest during respiration.
Choice A is not correct because tidaling does not indicate an air leak.
Choice B is not correct because tidaling does not necessarily mean that the lung is fully re-expanded.
Choice D is not correct because suction pressure does not cause tidaling.

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A nurse is preparing to administer naloxone 10 mcg/kg via IV bolus to a client who weighs 220 lb. The amount available is 0.4 mg/mL. How many mL should the nurse administer? (round off to the nearest tenth)

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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer piperacillin 3.375 g by intermittent IV bolus every 6 hr. Available in piperacillin 3.375 g in dextrose 5% in water (DsW) 100 mL to infuse over 30 min. The nurse should set the IV pump to deliver how many mL/hr?

Correct Answer is C

Explanation

A nurse is caring for a client who has a chest tube. The client asks why the fluid in the water-seal chamber rises and falls. Which of the following statements should the nurse make?

Correct Answer is C

Explanation

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