Chapter 10. Dosage for Parental Medications (1 of 36) Sample Questions

1. Your pharmacy receives a prescription of furosemide 40 mg IV q8h. Furosemide is available as 10 mg/mL volume of 10 mL. How many 10 mL of furosemide vials should the pharmacy technician send for a 24 hr supply?
  1. A. 2 vials
  2. B. 4 vials
  3. C. 3 vials
  4. D. 12 vials
Ans: A
Tips:
I. Patient has to receive Furosemide 40 mg IV q 8h.
So, to compute for total dose per 24 hours: 40 mg x 3 = 120 mg
II. Since concentration per 10 mL vial is 10 mg/mL, each 10-mL vial contains 100 mg dose.
III. Therefore, to cover the total dose of 120 mg in 24 hours, the technician should send 2 vials.