A nurse is preparing to administer dextrose 5% in 0.9% sodium chloride 125 mL IV to infuse over 15 min. 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.)

Answer and Explanation

The Correct Answer is ["500"]

To calculate this, first convert the infusion time from minutes to hours: 15 min * (1 hr / 60 min) = 0.25 hr.

Then, divide the volume of the infusion by the infusion time to find the rate: 125 mL / 0.25 hr = 500 mL/hr.

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Correct Answer is ["0.65"]

Explanation

Let’s calculate this step by step:

Step 1: Convert the toddler’s weight from pounds (lb) to kilograms (kg) using the conversion factor 1 kg = 2.2 lbs.

24 lbs ÷ 2.2 lbs/kg = 10.91 kg

Step 2: Calculate the total amount of diazepam needed using the dosage of 0.3 mg/kg.

0.3 mg/kg × 10.91 kg = 3.27 mg

Step 3: Calculate the volume of diazepam injection to administer using the concentration of 5 mg/mL.

3.27 mg ÷ 5 mg/mL = 0.654 mL

Rounding to the nearest hundredth, the nurse should administer 0.65 mL of diazepam injection.

Correct Answer is ["0.67"]

Explanation

To find out how many mL of risperidone the nurse should administer, we need to set up a proportion.

If 37.5 mg of risperidone is equivalent to 1 mL, then 25 mg of risperidone is equivalent to x mL. The proportion can be writen as 37.5/1 = 25/x. Solving for x, we get x = (25 * 1) / 37.5 = 0.67 mL. The answer is rounded to the nearest hundredth as instructed.

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A nurse is preparing to administer dextrose 5% in 0.9% sodium chloride 125 mL IV to infuse over 15 min. 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.)

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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer diazepam 0.3 mg/kg IV bolus to a toddler who weighs 24 Ib. Available is diazepam injection 5 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 ["0.65"]

Explanation

A nurse is preparing to administer risperidone 25 mg IM. After reading the label, 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 ["0.67"]

Explanation

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