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A teenage client weighs 102 lbs. Calculate the weight in kilogram (to the nearest tenth):

46.36 Kg

46.4 Kg

46 Kg

4.64 Kg

Answer and Explanation

The Correct Answer is B

Given:

Weight in pounds: 102 lbs

Conversion factor: 1 lb = 0.453592 kg

Step 1: Convert pounds to kilograms:

Weight in kg = Weight in lbs x Conversion factor (kg/lb)

Weight in kg = 102 lbs x 0.453592 kg/lb

Weight in kg = 46.266544 kg

Step 2: Round to the nearest tenth:

Weight in kg ≈ 46.3 kg

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Correct Answer is B

Explanation

Given:
Volume of fluid: 30 mL
Infusion time: 20 minutes

Step 1: Convert infusion time to hours:
Infusion time (hr) = 20 min / 60 min/hr
Infusion time (hr) = 0.33 hr

Step 2: Calculate the infusion rate in mL/hr:
Flow rate (mL/hr) = Volume (mL) / Infusion time (hr)
Flow rate (mL/hr) = 30 mL / 0.33 hr
Flow rate (mL/hr) = 90.90909091 mL/hr

Step 3: Round to the nearest whole number:
Flow rate (mL/hr) ≈ 90 mL/hr

A. 12.5 mL/dose B. 12 mg/dose C. 12.5 mL/hr D. 12 mL/dose

Correct Answer is D

Explanation

Given:
Ordered dose of Acyclovir: 12 mg/kg
Patient weight: 115 lbs
Concentration of Acyclovir: 100 mg/2 mL

Step 1: Convert patient weight from pounds to kilograms:
1 pound (lb) = 0.453592 kilograms (kg)
Patient weight in kg = 115 lbs * 0.453592 kg/lb = 52.16308 kg

Step 2: Calculate the total dose of Acyclovir:
Total dose (mg) = Ordered dose (mg/kg) x Patient weight (kg)
Total dose (mg) = 12 mg/kg x 52.16308 kg = 625.95696 mg

Step 3: Calculate the volume to be administered:
Volume (mL) = Total dose (mg) / Concentration (mg/mL)
Volume (mL) = 625.95696 mg / 100 mg/2 mL
Volume (mL) = 625.95696 mg x (2 mL / 100 mg)
Volume (mL) = 12.5191392 mL

Step 4: Round to the nearest tenth:
Volume (mL) ≈ 12.5 mL/dose

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A teenage client weighs 102 lbs. Calculate the weight in kilogram (to the nearest tenth):

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Naxlex Comprehensive Predictor Exams

Calculate the flow rate in ml/hr. (Equipment used is programmable in whole mL/hr) 30 mL of antibiotic in 0.99% NS in 20 min by infusion pump.

Correct Answer is B

Explanation

A doctor orders 12 mg/kg of Acyclovir, the patient weighs 115 lbs. Acyclovir is supplied as 100 mg/2mL. How many mL will you administer per dose?

Correct Answer is D

Explanation

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A teenage client weighs 102 lbs. Calculate the weight in kilogram (to the nearest tenth):