A client with heart failure (HF) is receiving an IV infusion of 0.9% normal saline 250 mL at a keep-vein-open (KVO) rate of 40 mL/hour. The IV tubing has a mini drip chamber that delivers 60 micro drops/mL. The nurse should regulate the micro drop gravity IV infusion to deliver how many micro drops/minute. (Enter numeric value only.)

Answer and Explanation

The Correct Answer is ["40 micro drops\/minute"]

A client with heart failure (HF) is receiving an IV infusion of 0.9% normal saline 250 mL at a keep-vein-open (KVO) rate of 40 mL/hour.

The IV tubing has a minidrip chamber that delivers 60 microdrops/mL.

To calculate the infusion rate in microdrops/minute, we need to multiply the infusion rate in mL/hour (40 mL/hour) by the number of microdrops/mL (60 microdrops/mL) and divide by the number of minutes in an hour (60 minutes/hour).

The nurse should regulate the microdrop gravity IV infusion to deliver 40 microdrops/minute (40 mL/hour * 60 microdrops/mL / 60 minutes/hour).

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Correct Answer is ["56"]

Explanation

Answer: 56 gtt/min.

Rationale:

To calculate the infusion rate in gtt/min, we'll use the following formula:

Infusion Rate (gtt/min) = Volume (mL) / Time (min) x Drop Factor (gtt/mL)

1. Convert volume to mL:

2 liters = 2000 mL

2. Convert time to minutes:

12 hours = 12 x 60 = 720 minutes

3. Plug in the values:

Infusion Rate (gtt/min) = 2000 mL / 720 min x 20 gtt/mL

4. Calculate:

Infusion Rate (gtt/min) ≈ 55.56 gtt/min

5. Round to the nearest whole number:

Infusion Rate (gtt/min) ≈ 56 gtt/min

Therefore, the nurse should regulate the infusion to 56 gtt/min.

Correct Answer is ["6 mL\/hour."]

Explanation

To calculate the infusion rate in mL/hour, we can use the following formula:

Infusion rate (mL/hour) = Dose (mg/minute) x 60 / Concentration (mg/mL) In this case, the dose is 2 mg/minute and the concentration is:

200 mg/40 mL = 5 mg/mL

We can calculate the infusion rate as follows:

2 mg/minute x 60 / 5 mg/mL = 24 mL/hour

However, the total volume of the solution is 200 mL. Therefore, we need to adjust the infusion rate to ensure that the medication is infused over the correct time period. If we divide the total volume by the infusion time, we can calculate the infusion rate required to deliver the medication over that time period:

200 mL / (120 minutes) = 100 mL/hour

So we need to adjust our initial calculation to ensure that we are infusing at a rate of 100 mL/hour. We can do this by using a proportion:

2 mg/minute x 60 / 5 mg/mL = X mL/hour x 1 Solving for X gives us:

X = (2 x 60 x 1) / 5 = 24 mL/hour

So we should program the infusion pump to deliver 6 mL/hour.

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Naxlex Comprehensive Predictor Exams

Correct Answer is ["56"]

Explanation

Correct Answer is ["6 mL\/hour."]

Explanation

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