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A nurse is preparing to administer 0.9% sodium chloride (NS) 100 mL/V to infuse over 4 hr. The drip factor of the manual IV tubing is 60 gtt/mL. The nurse should set the manual IV infusion to deliver how many gtt/min? (Round the answer to the nearest whole number.)

27 gtt/min

25 gtt/min

23 gtt/min

30 gtt/min

Answer and Explanation

The Correct Answer is B

Given:

Volume of fluid: 100 mL

Infusion time: 4 hours

Drop factor: 60 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) = 100 mL / 4 hr

Infusion rate (mL/hr) = 25 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) = (25 mL/hr x 60 gtt/mL) / 60 min/hr

Flow rate (gtt/min) = 1500 gtt/hr / 60 min/hr

Flow rate (gtt/min) = 25 gtt/min

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Correct Answer is D

Explanation

Ordered dose of 0.9% Sodium Chloride: 20 mL/kg

Child's weight: 55 lbs

Infusion time: 6 hours

Step 1: Convert child's weight from pounds to kilograms:

1 pound (lb) = 0.453592 kilograms (kg)

Child's weight in kg = 55 lbs x 0.453592 kg/lb = 24.94756 kg

Step 2: Calculate the total volume of 0.9% Sodium Chloride:

Total volume (mL) = Ordered dose (mL/kg) x Child's weight (kg)

Total volume (mL) = 20 mL/kg x 24.94756 kg

Total volume (mL) = 498.9512 mL

Step 3: Calculate the infusion rate in mL/hr:

Infusion rate (mL/hr) = Total volume (mL) / Infusion time (hr)

Infusion rate (mL/hr) = 498.9512 mL / 6 hr

Infusion rate (mL/hr) = 83.15853333 mL/hr

Step 4: Round to the nearest whole number:

Infusion rate (mL/hr) ≈ 83 mL/hr

A. 3 tabs B. 2 tabs C. 1 1/2 tabs D. 4 tabs

Correct Answer is B

Explanation

Calculate the dosage using the ratio and proportion:

Given:

Order: 200 mg p.o. t.i.d.

Available: Tegretol 100 mg chewable tablets.

Step 1: Set up the proportion

Availabledose(100mg) : 1tablet = Ordereddose(200mg) : xtablets

Step 2: Solve for ?

100 mg : 1 tab = 200 mg : ? tabs

? = 200/100 = 2 tablets

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A nurse is preparing to administer 0.9% sodium chloride (NS) 100 mL/V to infuse over 4 hr. The drip factor of the manual IV tubing is 60 gtt/mL. The nurse should set the manual IV infusion to deliver how many gtt/min? (Round the answer to the nearest whole number.)

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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer 0/9% sodium chloride (0.9% NaCl) 20ml/kg IV tp infuse over 6 hr to a school-age child who weighs 55 lbs. The nurse should set the IV pump to deliver how many ml/hr? (Round to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is D

Explanation

Calculate the following dosage using ratio and proportions method. Round answers to the nearest tenth. Order: Tegretol 200 mg p.o.t.i.d. Available

Correct Answer is B

Explanation

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