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Order: Ampicillin 2 is added to 50 mL D5W to infuse over 40 minutes. Drop factor: 15gtt/mL. For IV reconstitute with 10 mL of diluent to 1g per 10 mL. (Consider the medication added in the volume of fluid) Calculate the rate in gtt/min at which the IV should infuse?

23 gtt/min

26 gtt/min

25 gtt/min

22 gtt/min

Answer and Explanation

The Correct Answer is A

Given:

Volume of fluid: 50 mL (DSW) + 10 mL (for reconstitution) = 60 mL

Infusion time: 40 minutes

Drop factor: 15 gtt/mL

Formula:

Flow rate (gtt/min) = (Volume (mL) / Time (min)) x Drop factor (gtt/mL)

Step 1: Calculate the infusion rate in mL/min:

Infusion rate (mL/min) = Volume (mL) / Time (min)

Infusion rate (mL/min) = 60 mL / 40 min

Infusion rate (mL/min) = 1.5 mL/min

Step 2: Calculate the flow rate in gtt/min:

Flow rate (gtt/min) = Infusion rate (mL/min) x Drop factor (gtt/mL)

Flow rate (gtt/min) = 1.5 mL/min x 15 gtt/mL

Flow rate (gtt/min) = 22.5 gtt/min

Step 3: Round to the nearest whole number:

Flow rate (gtt/min) ≈ 23 gtt/min

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Correct Answer is D

Explanation

Given:

Volume of fluid: 500 mL

Infusion time: 6 hours

Drop factor: 15 gtt/mL

Formula for mL/hr:

Flow rate (mL/hr) = Volume (mL) / Time (hr)

Step 1: Calculate the flow rate in mL/hr:

Flow rate (mL/hr) = 500 mL / 6 hr

Flow rate (mL/hr) = 83.33 mL/hr

Formula for gtt/min:

Flow rate (gtt/min) = (Volume (mL) / Time (hr)) x Drop factor (gtt/mL) / 60 min/hr

Step 2: Calculate the flow rate in gtt/min:

Flow rate (gtt/min) = (500 mL / 6 hr) x 15 gtt/mL / 60 min/hr

Flow rate (gtt/min) = 83.33 mL/hr x 15 gtt/mL / 60 min/hr

Flow rate (gtt/min) = 1250 gtt/hr / 60 min/hr

Flow rate (gtt/min) = 20.83 gtt/min

Step 3: Round to the nearest whole number:

Flow rate (mL/hr) ≈ 83 mL/hr

Flow rate (gtt/min) ≈ 21 gtt/min

A. 78 gtt/min B. 65 gtt/min C. 70 grimin D. 60 git/min

Correct Answer is A

Explanation

Given:

Volume of fluid: 2500 mL

Infusion time: 8 hours

Drop factor: 15 gtt/mL

Formula:

Flow rate (gtt/min) = (Volume (mL) / Time (hr)) x Drop factor (gtt/mL) / 60 min/hr

Step 1: Calculate the infusion rate in mL/hr:

Infusion rate (mL/hr) = Volume (mL) / Time (hr)

Infusion rate (mL/hr) = 2500 mL / 8 hr

Infusion rate (mL/hr) = 312.5 mL/hr

Step 2: Calculate the flow rate in gtt/min:

Flow rate (gtt/min) = (Infusion rate (mL/hr) x Drop factor (gtt/mL)) / 60 min/hr

Flow rate (gtt/min) = (312.5 mL/hr x 15 gtt/mL) / 60 min/hr

Flow rate (gtt/min) = 4687.5 gtt/hr / 60 min/hr

Flow rate (gtt/min) = 78.125 gtt/min

Step 3: Round to the nearest whole number:

Flow rate (gtt/min) ≈ 78 gtt/min

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Order: Ampicillin 2 is added to 50 mL D5W to infuse over 40 minutes. Drop factor: 15gtt/mL. For IV reconstitute with 10 mL of diluent to 1g per 10 mL. (Consider the medication added in the volume of fluid) Calculate the rate in gtt/min at which the IV should infuse?

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Explanation

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