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The primary healthcare provider (PHCP) prescribes 100 mg of amoxicillin oral suspension by mouth, four times a day. The nurse has amoxicillin 250 mg per 5 mL on hand. How many milliliters in a single dose should the nurse administer to the client? Fill in the blank.
Correct Answer: 2 mL
Rationale: Calculate: (100 mg ÷ 250 mg) × 5 mL = 2 mL.
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The nurse is preparing to administer a regular insulin IV bolus to a client who has hyperglycemic-hyperosmolar state (HHS). The primary health care provider (PHCP) has prescribed an initial bolus dose of 0.1 unit/kg. The client weighs 125.90 kg (276.98 lbs). How much regular insulin should the nurse administer to the client as an IV bolus? Fill in the blank. Round your answer to the nearest whole number.
Correct Answer: 13 units
Rationale: Calculate: 0.1 units/kg × 125.90 kg = 12.59 units, rounded to 13 units.
A nurse is preparing to administer vancomycin to a child. The order is for 50 mg/kg/day in three divided doses. The client weighs 13 kg (28.6 lbs). The medication label indicates vancomycin 500 mg in 100 mL of 0.9% saline. How many mL will the nurse administer per dose? Fill in the blank. Round your answer to the nearest whole number.
Correct Answer: 43 mL
Rationale: Calculate daily dose: 50 mg/kg × 13 kg = 650 mg. Per dose: 650 mg ÷ 3 = 216.67 mg. Convert: (216.67 mg ÷ 500 mg) × 100 mL = 43.33 mL, rounded to 43 mL.
The primary healthcare provider orders methylprednisolone 1.6 mg/kg for a child weighing 30.4 kg (66.8 lbs). The label on the medication reads 500 mg/4 mL. How many milliliters (mL) should the nurse administer? Fill in the blank. Round your answer using 1 decimal place.
Correct Answer: 0.4 mL
Rationale: Calculate dose: 1.6 mg/kg × 30.4 kg = 48.64 mg. Convert: (48.64 mg ÷ 500 mg) × 4 mL = 0.39 mL, rounded to 0.4 mL.
The primary healthcare provider (PHCP) prescribes 100 mL of 0.9% sodium chloride (normal saline) to infuse over two hours via intravenous microdrip tubing. The nurse sets the flow rate at how many drops per minute? Fill in the blank. Round your answer to the nearest whole number.
Correct Answer: 50 drops per minute
Rationale: Microdrip tubing has a drop factor of 60 gtts/mL. Calculate: (100 mL × 60 gtts/mL) ÷ (2 hr × 60 min/hr) = 6000 gtts ÷ 120 min = 50 gtts/min.
The nurse is caring for a client prescribed IV heparin. The client is prescribed 15 units/kg/hr. The client weighs 115.9 kg (254.8 lbs). The heparin is labeled with 25,000 units in 250 mL of D5W. How many mL/hr should this client receive? Fill in the blank. Record your answer using a whole number.
Correct Answer: 17 mL/hr
Rationale: Calculate dose: 15 units/kg/hr × 115.9 kg = 1738.5 units/hr. Flow rate: (1738.5 units/hr ÷ 25,000 units) × 250 mL = 17.39 mL/hr, rounded to 17 mL/hr.