HESI RN
RN Hesi Med Surg Dosage Calculations Questions
Extract:
Question 1 of 5
A client is receiving a 200 mL bolus of 0.9% normal saline (NS) to be infused over 20 minutes. The nurse should set the Infusion pump to deliver how many mL/hour? (Enter numeric value only.)
Correct Answer: 600
Rationale: Infusion rate = 200 mL / (20 / 60) hours = 600 mL/hour.
Question 2 of 5
The healthcare provider prescribes heparin 1,400 units/hour intravenously (IV). The IV bag contains heparin 20,000 units in 250 mL dextrose 5% in water. How many mL/hr should the nurse program the infusion pump to deliver? (Enter numeric value only. If rounding is required, round to the nearest whole number.)
Correct Answer: 18
Rationale: Infusion rate = (1400 units/hour × 250 mL) / 20000 units = 17.5 mL/hour, rounded to 18.
Question 3 of 5
A client is receiving a 200 mL bolus of 0.9% normal saline (NS) to be infused over 20 minutes. The nurse should set the Infusion pump to deliver how many mL/hour? (Enter numeric value only.)
Correct Answer: 600
Rationale: Infusion rate = 200 mL / (20 / 60) hours = 600 mL/hour.
Question 4 of 5
A client receives a prescription for warfarin 2 mg IM daily. The pharmacy delivers a vial labeled, warfarin 5 mg/single-use vial. The instructions read, reconstitute with 2.7 mL of sterile water for injection to yield 2 mg/mL. How many mL should the nurse administer? (Enter the numerical value only.)
Correct Answer: 1
Rationale: Volume: 2 mg / 2 mg/mL = 1 mL.
Question 5 of 5
The healthcare provider prescribes liraglutide 1.2 mg subcutaneously daily for a client with type 2 diabetes mellitus. The liraglutide Pen contains 18 mg of liraglutide and will deliver doses of 0.6 mg, 1.2 mg, or 1.8 mg. When teaching the client about the use of the liraglutide Pen, how many doses should the nurse tell the client is available in each Pen? (Enter the numerical value only.)
Correct Answer: 15
Rationale: Doses =
Total amount / Dose = 18 mg / 1.2 mg = 15 doses.