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Calculate the flow rate in gtt/min using the formula method. Administer 2.500 mL. D5 0.33% NS in 8 hr. The drop factor is 15 grt/mL

78 gtt/min

65 gtt/min

70 grimin

60 git/min

Answer and Explanation

The Correct Answer is A

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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Correct Answer is D

Explanation

Given:

Volume of Glucerna 1.2: 237 mL

Desired concentration: 1/2 strength

Step 1: Determine the volume of Glucerna 1.2 needed for the half-strength solution:

Volume of Glucerna 1.2 for half-strength = Original volume / 2

Volume of Glucerna 1.2 for half-strength = 237 mL / 2

Volume of Glucerna 1.2 for half-strength = 118.5 mL

Step 2: Calculate the amount of water to be added:

Amount of water = Original volume - Volume of Glucerna 1.2 for half-strength

Amount of water = 237 mL - 118.5 mL

Amount of water = 118.5 mL

A. 13 mL/hr B. 13.66 mL/hr C. 13.6 mL/hr D. 13.7 mL/hr

Correct Answer is D

Explanation

Given:

Ordered dose of Heparin: 9 units/kg/hr

Patient weight: 76 kg

Concentration of Heparin: 50 units/mL

Step 1: Calculate the total dose of Heparin:

Total dose (units/hr) = Ordered dose (units/kg/hr) x Patient weight (kg)

Total dose (units/hr) = 9 units/kg/hr x 76 kg

Total dose (units/hr) = 684 units/hr

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

Infusion rate (mL/hr) = Total dose (units/hr) / Concentration (units/mL)

Infusion rate (mL/hr) = 684 units/hr / 50 units/mL

Infusion rate (mL/hr) = 13.68 mL/hr

Step 3: Round to the nearest tenth:

Infusion rate (mL/hr) ≈ 13.7 mL/hr

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Calculate the flow rate in gtt/min using the formula method. Administer 2.500 mL. D5 0.33% NS in 8 hr. The drop factor is 15 grt/mL

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The patient is ordered Glucerna 1.2 calories. You're supplied with a can of Glucerna that contains 237 mL. The doctor orders the tube feeding to be administered at a 1/2 strength with a rate of 65 mL/hr. How much water will you add to dilute the tube feeding formula as prescribed?

Correct Answer is D

Explanation

A doctor orders nine units /kg/hr for a Heparin infusion. The patient weighs 76 kg. You're supplied with a Heparin bag that reads 50 untis/mL. How many mL/hr will you administer? |Round your answer to the nearest tenths)

Correct Answer is D

Explanation

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