NSG 223 Dosage Calculation Week 7 Exam |
Questions and Answers Latest Updated
2026/2027 (Graded A+)-Herzing
1. Vasopressin 0.4 units/min IV. Available 400 units/500 ml of NS. What is the infusion rate ml/hr?
Enter numeric value only. Round to the nearest tenth where applicable and enter numeric value
only.
ml/hr
Ans: 30
2. An IV 500 ml D5W is to infuse at 75 ml/hr. The IV was started at 2:00 PM. At what time would he
IV infusion be completed? Round to the nearest minutes and enter numeric value only.
Ans: 2040
3. Calculate the following hourly dosages of heparin (units/hr)
Order: 20, 000 units heparin in 500 ml of 0.9% NS to infuse at 18 units/kg/hr. The client weighs
198 lb. How much units will the client receive per hr? Round to the nearest whole number and
enter numeric value only.
units/hr
Ans: 1620
4. Calculate the safe dose range of ampicillin.
The recommended dosage of ampicillin for an adult is 150 to 200 mg/kg/day to be given every 4 to 6
hrs. The adult weighs 220 lb. Round to the nearest tenth and enter numeric value only.
What is the 24 hr safe dose range for this patient to g/day
Ans: 15 to 20
5. Order: Cefaclor 250 mg p.o. q8h is ordered for a child weighing 55 lb. The recommended dosage
is 30 to 50 mg/kg/day divided into 8qh doses. It is available as Cefaclor oral suspension 150 mg
per 2 mL. Round to the nearest tenth and enter numeric value only.
a. Is the dosage ordered safe? YES or NO
b. How many milliliters of cefaclor are needed to administer each dose? mL
Ans: a. YES b. 3.3
6. Amoxicillin 350 mg, p.o., daily. Amoxicillin 125 mg per 5 ml oral suspension. How many ml are
needed to administer the dosage? Round to the nearest tenth where applicable and enter
numeric value only.
ml
Ans: 14
Questions and Answers Latest Updated
2026/2027 (Graded A+)-Herzing
1. Vasopressin 0.4 units/min IV. Available 400 units/500 ml of NS. What is the infusion rate ml/hr?
Enter numeric value only. Round to the nearest tenth where applicable and enter numeric value
only.
ml/hr
Ans: 30
2. An IV 500 ml D5W is to infuse at 75 ml/hr. The IV was started at 2:00 PM. At what time would he
IV infusion be completed? Round to the nearest minutes and enter numeric value only.
Ans: 2040
3. Calculate the following hourly dosages of heparin (units/hr)
Order: 20, 000 units heparin in 500 ml of 0.9% NS to infuse at 18 units/kg/hr. The client weighs
198 lb. How much units will the client receive per hr? Round to the nearest whole number and
enter numeric value only.
units/hr
Ans: 1620
4. Calculate the safe dose range of ampicillin.
The recommended dosage of ampicillin for an adult is 150 to 200 mg/kg/day to be given every 4 to 6
hrs. The adult weighs 220 lb. Round to the nearest tenth and enter numeric value only.
What is the 24 hr safe dose range for this patient to g/day
Ans: 15 to 20
5. Order: Cefaclor 250 mg p.o. q8h is ordered for a child weighing 55 lb. The recommended dosage
is 30 to 50 mg/kg/day divided into 8qh doses. It is available as Cefaclor oral suspension 150 mg
per 2 mL. Round to the nearest tenth and enter numeric value only.
a. Is the dosage ordered safe? YES or NO
b. How many milliliters of cefaclor are needed to administer each dose? mL
Ans: a. YES b. 3.3
6. Amoxicillin 350 mg, p.o., daily. Amoxicillin 125 mg per 5 ml oral suspension. How many ml are
needed to administer the dosage? Round to the nearest tenth where applicable and enter
numeric value only.
ml
Ans: 14
