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A client with dehydration receives a prescription for an IV of Lactated Ringer's 1,000 ml to be administered over 8 hours. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only, using whole number.)

Answer and Explanation

The Correct Answer is ["125"]

To calculate the infusion rate, we'll use the following formula:

Infusion Rate (mL/hour) = Total Volume (mL) / Infusion Time (hours)

Plugging in the given values:

Infusion Rate = 1000 mL / 8 hours

Calculating the result:

Infusion Rate = 125 mL/hour

Therefore, the nurse should program the infusion pump to deliver 125 mL/hour.

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Correct Answer is ["4.9"]

Explanation

Step 1: Calculate the concentration of dopamine in the IV solution:

400 mg / 250 mL = 1.6 mg/mL

Step 2: Calculate the infusion rate in mL/minute:

12 mL/hour x (1 hour / 60 minutes) = 0.2 mL/minute

Step 3: Calculate the dopamine infusion rate in mg/minute:

0.2 mL/minute x 1.6 mg/mL = 0.32 mg/minute

Step 4: Convert milligrams to micro-grams:

0.32 mg x (1000 mcg / 1 mg) = 320 mcg/minute

Step 5: Calculate the dopamine infusion rate in mcg/kg/minute:

320 mcg/minute / 65 kg ≈ 4.9 mcg/kg/minute

Therefore, the client is receiving approximately 4.9 mcg/kg/minute of dopamine.

Correct Answer is ["160"]

Explanation

To prepare a 4-hour solution of Osmolite® 1/2 strength enteral formula at 80 ml/hour, the nurse will need to dilute the full-strength formula with a certain amount of water.

Step 1: Calculate the total volume of the 1/2 strength formula needed for 4 hours:

Total Volume = Infusion Rate (mL/hour) x Infusion Time (hours)

Total Volume = 80 mL/hour x 4 hours

Total Volume = 320 mL

Step 2: Determine the volume of full-strength Osmolite® needed:

Since the desired solution is 1/2 strength, we need to dilute the full-strength formula by half.

Volume of Full-Strength Osmolite® = Total Volume / 2

Volume of Full-Strength Osmolite® = 320 mL / 2

Volume of Full-Strength Osmolite® = 160 mL

Step 3: Calculate the volume of water needed to dilute the full-strength Osmolite®:

Volume of Water = Total Volume - Volume of Full-Strength Osmolite®

Volume of Water = 320 mL - 160 mL

Volume of Water = 160 mL

Therefore, the nurse should dilute the full-strength Osmolite® with 160 mL of water to prepare a 4-hour solution.

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A client with dehydration receives a prescription for an IV of Lactated Ringer's 1,000 ml to be administered over 8 hours. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only, using whole number.)

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Naxlex Comprehensive Predictor Exams

A client who weighs 65 kg is receiving an infusion of Dextrose 5% in Water (DW) 250 ml with dopamine 400 mg at 12 ml/hour. How many mcg/kg/minute is the client receiving? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

Correct Answer is ["4.9"]

Explanation

A client with a gastrostomy tube (GT) receives a prescription for Osmolite® 1/2 strength enteral formula at 80 ml/hour. To prepare a 4 hour solution, the nurse should dilute the full-strength formula with how many ml of water? (Enter numeric value only.)

Correct Answer is ["160"]

Explanation

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