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The primary healthcare provider (PHCP) prescribes 1 mg/kg of enoxaparin for a client weighing 60 kg (132 lbs). How many mL should the nurse administer to the client when the prefilled syringe reads 60mg/0.6mL? Fill in the blank. Round your answer using 1 decimal place.
Correct Answer: 0.6 mL
Rationale: Calculate dose: 1 mg/kg × 60 kg = 60 mg. Syringe: 60 mg/0.6 mL, so 60 mg = 0.6 mL.
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The nurse is reviewing a primary healthcare provider's prescription for 20 mEq of potassium chloride to be administered to a client with hypokalemia. The nurse has 20 mEq of potassium chloride in 250 mL of sodium chloride (normal saline) on hand. How many milliliters per hour (mL/hr) should the nurse set the infusion pump to when administering the medication over two hours? Fill in the blank. Round your answer to the nearest whole number.
Correct Answer: 125 mL/hr
Rationale: Flow rate: 250 mL ÷ 2 hr = 125 mL/hr.
The primary healthcare provider (PHCP) prescribes 125 mcg of digoxin by mouth daily. The medication label reads digoxin 0.25 mg per tablet. How many tablet(s) will the nurse administer to the client? Fill in the blank. Record your answer using 1 decimal place.
Correct Answer: 0.5 tablet
Rationale: Convert 125 mcg to 0.125 mg. Calculate: 0.125 mg ÷ 0.25 mg/tablet = 0.5 tablet.
The primary healthcare provider (PHCP) prescribed ibuprofen 600 mg PO q 6 hours PRN pain. The medication label reads ibuprofen 200 mg tablets. How many tablets will be administered to achieve the correct dose?
- A. One tablet
- B. Five tablets
- C. Three tablets
- D. Two tablets
Correct Answer: C
Rationale: Calculate: 600 mg ÷ 200 mg/tablet = 3 tablets.
The primary healthcare provider (PHCP) prescribes 30 mg of phenobarbital by mouth, once daily. The nurse has phenobarbital 10 mg tablets on hand. How many tablet(s) per dose should the nurse administer to the client? Fill in the blank.
Correct Answer: 3 tablets
Rationale: Calculate: 30 mg ÷ 10 mg/tablet = 3 tablets.
The primary healthcare provider (PHCP) prescribes dopamine at 5 mcg/kg/minute. The client weighs 80.9 kg (177.98 lbs). The medication label reads dopamine 800 mg in 500 mL of dextrose 5% water (D5W). How many mL per hour will the nurse administer to the client? Fill in the blank. Round your answer to the nearest whole number.
Correct Answer: 15 mL/hr
Rationale: Calculate dose: 5 mcg/kg/min × 80.9 kg = 404.5 mcg/min. Convert: 800 mg = 800,000 mcg, so 800,000 mcg/500 mL = 1600 mcg/mL. Flow rate: (404.5 mcg/min ÷ 1600 mcg/mL) × 60 min/hr = 15.17 mL/hr, rounded to 15 mL/hr.