Math and Calculation exam I

The prescriber orders 345 mg of medication. The medication is supplied as 230 mg tablets. The nurse should administer:

The prescriber orders 3.75 mg of a corticosteroid. The dosage strength is 2.5 mg/tab. The nurse should administer:

A patient is to receive 75 mg of Biaxin® (clarithromycin). The Biaxin suspension is supplied as 125 mg/5 mL. The nurse should:

The prescriber orders amikacin 375 mg IM q8h. The nurse has a supply of amikacin 250 mg/mL. How many mL of the supply should the nurse administer?

To infuse 3 L over 24 hours using tubing with a drop factor of 15, the nurse should establish a flow rate of:

To infuse ampicillin 500 mg in 50 mL D5W over 30 minutes, the nurse should:

The daily fluid requirement (DFR) for a newborn weighing 8 lb 8 oz is:

The licensed prescriber orders 24 oz of a pre-packaged nutritional formula, with a hang time of 24 hours, to be delivered via a feeding pump over 12 hours. The nurse will set the pump to deliver ________mL/h.

To prepare a ⅔-strength solution of Similac 0.3 L to run over 4 hours, the nurse will need_________ mL Similac®, _________mL water, and will set the feeding pump to ________mL/h.

Clindamycin 60 mg PO q6h is ordered for an 8 kg infant. The safe dose range of clindamycin is 25–40 mg/kg/day in divided doses every 6–8 hours. The supply of clindamycin is 75 mg/5 mL. From this information, the nurse determines:

The doctor orders Humulin R U-500 regular insulin 240 units subcut now. The nurse should:

 Order: isoproterenol 2 mcg/min IV

Supply: isoproterenol 1 mg in NS 250 mL total volume

What is the hourly dose?

Order: isoproterenol 0.5 mcg/min IV

Supply: isoproterenol 1 mg in NS 250 mL total volume

What is the hourly rate?

The order calls for 50 mg. Which dosage strength should the nurse choose?

The physician orders 162 mg of Ecotrin® (enteric-coated aspirin) PO daily. The medication available on the unit is 325 mg enteric-coated aspirin tablets and 325 mg scored aspirin tablets. The nurse should:

The prescriber orders ketorolac 20 mg IV q6h. The nurse is supplied with ketorolac 30 mg/mL. Which syringe(s) should the nurse use to administer this dose?

The nurse initiates the order for continuous intravenous infusion, D5½ NS @ 150 mL/h, with a 1-liter bag of solution at 0900 and anticipates that the next liter bag should be ready to hang at:

To treat a 15 lb, 6-month-old infant who has gastroenteritis and is unable to take oral fluids due to severe vomiting, the provider orders D5 NS with the following instructions: Double the maintenance fluids for 2 hours, then run the IV at a DFR rate. The nurse correctly sets the IV pump at:

The nurse recognizes that ½ NS IV solution is:

The dosage strength of acetaminophen is 160 mg/tsp. The recommended dose of acetaminophen, 15 mg/kg/dose, is ordered for a 5 lb, 14 oz infant. The nurse determines:

Vancocin® 40 mg IV q6h is ordered. Vancocin should be further diluted to a concentration of 1–5 mg/mL. The nurse uses this information to calculate the:

The patient’s blood glucose is 150 g/dL, the target blood glucose is 120 g/dL, and the blood glucose correction factor is 2 units. The high blood glucose correction dose of Humalog subcut is:

A client with sepsis and hypotension is being treated with dopamine hydrochloride. A nurse asks a colleague to double-check the dosage that the client is receiving. The 250-ml bag contains 400 mg of dopamine, the infusion pump is running at 23 ml/hour, and the client weighs 80 kg. How many micrograms per kilogram per minute is the client receiving? Record your answer using one decimal point. __________μg/kg/minute

A nurse is caring for a client with pneumonia who has prescribed ceftriaxone oral suspension 600 mg once daily. The medication label indicates that the strength is 125 mg/5 ml. How many milliliters of medication would the nurse pour to administer the correct dose? Record your answer as a whole number. ________________ml

A nurse is caring for a client diagnosed with pneumonia, a urinary tract infection, dehydration, and a temperature of 101.4°F (38.6°C). The health care provider orders 1,000 ml of D5W to infuse over 8 hours. The available drop factor is 20 gtt/ml. The nurse would regulate the intravenous flow rate to deliver how many drops per minute? Round your answer to the nearest whole number. ______________gtt/min

A nurse is preparing to administer phenytoin to a 99-lb (45 kg) client with a seizure disorder. The medication administration record documents phenytoin 5 mg/kg/day to be administered in three divided doses. How many milligrams of phenytoin would be administered in the first dose? Record your answer as a whole number. ___________mg

A nurse is caring for a client diagnosed with a cerebral aneurysm. The health care provider orders hydralazine 15 mg intravenously every 4 hours as needed to keep the systolic blood pressure less than 140 mm Hg. To administer the correct dose, how many milliliters of medication would the nurse draw up in the syringe? Record your answer using two decimal places.

A client returns from the operating room after undergoing extensive abdominal surgery. The client is receiving 1,000 ml of lactated Ringer’s solution via a central line infusion. The health care provider orders the intravenous fluid to be infused at 125 ml/hour and additional intravenous fluids based on the total output of the last hour. The drip factor of the tubing is 15 gtt/ml, and the output for the previous hour was 75 ml via a Foley catheter, 50 ml via nasogastric tube, and 10 ml via Jackson-Pratt tube. For how many drops (gtt) per minute would the nurse set the intravenous flow rate to deliver the correct amount of fluid? Record your answer as a whole number. ____________gtt/minute

The physician’s order reads alprazolam 0.25 mg PO now. The available supply is alprazolam 1 mg/mL. To correctly measure this dose of alprazolam, the nurse will use a:

The patient exhibits signs of ventricular fibrillation. The prescriber orders epinephrine 1 mg IV stat. The nurse should administer: