Chapter 14. Dosage for critical care (1 of 6) Sample Questions
1. An infant weighing 15 lb must receive a loading dose of aminophylline 7.5 mg/kg by IV infusion over 20 min, which is to be followed by maintenance doses of 0.5 mg/kg/h by continuous IV infusion. The drug is available in an ampoule of 50 mg/5 mL. Calculate the loading dose for the child.
- A. 6.82 mg
- B. 51.15 mg
- C. 1.023 g
- D. 2.56 mg
Ans:
B
Tips:
First, convert the weight from lb to kg. SO, 15 lb = 6.82 kg
Then, compute for the loading dose.
7.5 mg x 6.82 kg = 51.15 mg over 20-min IV infusion
First, convert the weight from lb to kg. SO, 15 lb = 6.82 kg
Then, compute for the loading dose.
7.5 mg x 6.82 kg = 51.15 mg over 20-min IV infusion