A nurse is preparing to administer cefazolin 1g intermittent IV bolus in 0.9% sodium chloride 250 mL over 30 min.

The drop factor on the manual IV tubing is 10 gtt/mL. The nurse should set the manual IV flow rate to deliver how many gtt/min? (Round the answer to the nearest whole number.

Use a leading zero if it applies.

Do not use a trailing zero.). gtt/min.

Answer and Explanation

The Correct Answer is ["83"]

Step 1 is to calculate the total volume to be infused in mL/min. This is done by dividing the total volume (250 mL) by the time in minutes (30 min). So, 250 mL ÷ 30 min = 8.33 mL/min. Step 2 is to convert mL/min to gtt/min using the drop factor. So, (8.33 mL/min) × (10 gtt/mL) = 83.3 gtt/min. Round off to the nearest whole number, the correct answer is 83 gtt/min.

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Free Nursing Study Resources

Correct Answer is ["8"]

Explanation

Step 1 is to convert the client’s weight from pounds to kilograms since the dosage is ordered in units/kg. There are approximately 2.2 lb/kg, so 130 lb ÷ 2.2 lb/kg = 59.1 kg. The doctor ordered calcitonin at a dosage of & units/kg, so we multiply the client’s weight in kg by the dosage: 59.1 kg × & units/kg = & units. The medication is available at a concentration of 200 units/mL, so we divide the total units needed by the units per mL: & units ÷ 200 units/mL = & mL.

So, the correct answer is 8mL.

Correct Answer is ["1.9"]

Explanation

Step 1 is to convert the client’s weight from pounds to kilograms since the dosage is prescribed in mcg/kg. Given that 1 kg = 2.2 lb, we calculate:

165 lb ÷ 2.2 = 75 kg

Step 2 is to calculate the volume of naloxone to be administered. The prescribed dosage is 10 mcg/kg, so we first determine the total dose:

10 mcg/kg × 75 kg = 750 mcg

Next, we convert the available concentration of naloxone from mg/mL to mcg/mL:

0.4 mg/mL × 1000 mcg/mg = 400 mcg/mL

Now, we calculate the required volume by dividing the total dose by the concentration:

750 mcg ÷ 400 mcg/mL = 1.875 mL

Rounding to the nearest tenth, the correct amount to administer is 1.9 mL.

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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer calcitonin & units/kg IM to a client who weighs 130 lb. Available is calcitonin 200 units/mL for injection. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.). mL.

Correct Answer is ["8"]

Explanation

A nurse is preparing to administer naloxone 10 mcg/kg IM to a client who weighs 165 lb. Available is naloxone 0.4 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["1.9"]

Explanation

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A nurse is reviewing medications prescribed for a client. For which of the following prescriptions should the nurse contact the provider for clarification?.

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A nurse is preparing to administer 0.9% sodium chloride 1,200 mL IV to infuse over 8 hr. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)