TheoryNCP Nurse Competency Prep Practice Test Video
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Q1A patient is ordered acetaminophen 650 mg PO. The medication is available as 325 mg tablets. How many tablets should the nurse administer?
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✓ Correct answer: 2 tablets
Using the formula: Desired dose (650 mg) divided by Available dose (325 mg per tablet) = 650 / 325 = 2 tablets.
Q2A physician orders 1000 mL of 0.9% Normal Saline to infuse over 8 hours. What is the correct infusion rate in mL/hr?
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✓ Correct answer: 125 mL/hr
To calculate mL/hr: Total volume (1000 mL) divided by Time in hours (8 hours) = 1000 / 8 = 125 mL/hr.
Q3An IV is ordered to infuse at 50 mL/hr using tubing with a drop factor of 15 gtt/mL. What is the correct drip rate in drops per minute?
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✓ Correct answer: 13 gtt/min
Formula: (mL/hr × drop factor) / 60 minutes = (50 × 15) / 60 = 750 / 60 = 12.5, rounded to 13 gtt/min.
Q4A child weighing 44 pounds is prescribed amoxicillin 20 mg/kg/day divided into three doses. What is the dose per administration in mg?
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✓ Correct answer: 133 mg
First convert pounds to kg: 44 lb / 2.2 = 20 kg. Daily dose: 20 kg × 20 mg/kg = 400 mg/day. Per dose: 400 mg / 3 doses = 133.3 mg, rounded to 133 mg per dose.
Q5A medication order reads morphine sulfate 8 mg IM. The available vial contains 10 mg/mL. How many mL should the nurse draw up?
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✓ Correct answer: 0.8 mL
Using the formula: Desired dose (8 mg) divided by Available concentration (10 mg/mL) = 8 / 10 = 0.8 mL.
Q6Convert 0.5 grams to milligrams.
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✓ Correct answer: 500 mg
To convert grams to milligrams, multiply by 1000. Therefore, 0.5 g × 1000 = 500 mg.
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