Drug Calc Practice Test

1. The healthcare provider orders cimetidine HCL liquid 300 mg po four times a day for the treatment of ulcers. The pharmacy supplies the medication in 300 mg/ml. How many teaspoons of the medication will you give? Round to the nearest tenths.

0.2 tsp

1. The physician orders 200 mg of an antibiotic IM every 12 hours. The pharmacy sends a vial of antibiotic powder for reconstitution with the following mixing directions: For IM injection, IV direct bolus or IV infusion, add 2 mL of sterile water for injection. Shake well. After reconstitution, concentration is 125 mg/mL. How many mL of medication will the nurse give to the patient? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

1.6 mL

1. The safe dosage range for acetaminophen is 10-15 mg/kg of body weight every 4 hours. What is the maximum safe dosage a child weighing 48 lb should receive per dose? (Round your answer to the nearest tenths. Use a leading zero when necessary. Do not use a trailing zero.)

327.3 mg/dose

1. Order: verapamil 0.2 mg/kg IV for arrhythmia. On hand is verapamil 5 mg/2ml. The child weighs 10 lb. How many milliliters will the nurse administer? (Round your answer to the nearest hundredths. Use a leading zero when necessary. Do not use a trailing zero.)

0.36 mL

1. The client is ordered to receive Micronase 1.25 mg po daily for non-insulin dependent diabetes. The pharmacy supplies 2.5 mg per tablet. How many tablets will the nurse administer? Tablets are scored (per directions).

0.5 tablets

1. The healthcare provider orders methylprednisolone sodium succinate 40 mg IM daily for the treatment of an autoimmune disorder. The pharmacy provides the following vial. How many mls will the nurse administer? Round to the nearest tenths place.

0.6 mL

1. A provider orders penicillin G 750,000 units, IM, every 6 hours. The vial of 5 million units will be reconstituted with 8.2 mL of diluent to yield 500,000 units/mL. How many mL will the nurse administer to the patient per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

1.5 mL

1. A nurse is caring for client who has sepsis and a prescription for vancomycin 1 g in 250 mL dextrose 5% (D5W) over 2 hr by IV intermittent bolus. 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.)

125 mL/hr

1. Prescribed is norepinephrine to infuse at 4 mcg/min. The pharmacy sends norepinephrine 4 mg in 250 mL of D5W. The IV infusion pump should be programmed to deliver how many milliliters per hour? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

15 mL/hr

1. The provider orders Heparin 1500 units/hr IV. The supply is Heparin 25,000 units/250 mL D5W. Calculate mL/hr to set the IV pump? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

15 mL/hr

1. Order: clindamycin 0.3 g IV every 6 hours for infection Supply: clindamycin 600 mg/4-ml vial How many milliliters will the nurse draw from the vial? (Round your answer to the nearest tenths. Use a leading zero when necessary. Do not use a trailing zero.)

2 mL

1. Ordered is 500 mL of 0.9% normal saline to infuse IV at 150 mL/hr. How long will this infusion last? State you answer in hours and minutes.

3 hr 18 min

Prescribed is minoxidil for a child weighing 31 lb. The safe dosage range for this drug is 0.25-1 mg/kg/day. What is the safe dosage range for this child? Round to the tenths.

3.5-14.1 mg/day

1. The provider orders Biaxin oral suspension 7.5mg/kg/dose in bid PO. Available is Biaxin oral suspension 125 mg/5 mL. The patient weighs 38 lb. How many mL should the nurse administer per dose? (Round your answer to the nearest tenths. Use a leading zero when necessary. Do not use a trailing zero.)

5.2 mL

1. A nurse is preparing to administer ampicillin and sulbactam 200 mg intermittently through IV bolus. Available is ampicillin with sulbactam in dextrose 5% in water to infuse 200 mL in 1 hour. The drop factor of the tubing is 15 gtt/mL. The nurse should set the manual IV infusion to deliver how many gtt/min? (Round your answer to the nearest whole number.)

50 gtt/min

1. The nurse is preparing to infuse 1 L of D5W/0.45% NS to gravity. The drop factor is 10 gtt/mL. The ordered rate is 25 gtt/min. How long will it take for this infusion to complete? Solve in hours and minutes.

6 hr 42 min

Prescribed is phenobarbital for a child weighing 22 kg. The safe dosage range for this drug is 3-6 mg/kg/day. What is the safe dosage range for this child? Round to the whole number

66-132 mg/day

1. A nurse is preparing to administer lactated Ringer's 800 mL IV bolus to infuse over 3 hr. The drop factor of the manual IV tubing is 20 gtt/mL. The nurse should set the manual IV infusion 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.)

89 gtt/min

Prescribed is Lamivudine 400 mg twice a day for a child weighing 75 lb. The safe recommended dose of this drug is 10 mg/kg twice a day. Which of the following actions by the nurse is appropriate? Round to the whole number. a. The nurse determines the ordered dose is insufficient to achieve the desired effect. b. The nurse contacts the pharmacist to adjust the prescribed dosage. c. The nurse determines the prescription is above the recommended dosage range. d. The nurse administers the prescribed dosage.

c.

Prescribed is furosemide 20 mg by mouth for a child weighing 32 lb. The safe dosage range of this drug is 1-2 mg/kg/dose. Which of the following actions by the nurse is appropriate? Round to the whole number. a. The nurse determines the ordered dose is insufficient to achieve the desired effect. b. The nurse contacts the pharmacist to adjust the prescribed dosage. c. The nurse determines the prescription is above the recommended dosage range. d. The nurse administers the prescribed dosage.

d.