## Med Math: Formulas Question #14

### Question

Solumedrol 4 mg/kg is ordered for a child weighing 64.8 lb. Solumedrol is available as 500 mg/4mL. How many mL will the nurse administer?

### Answers

**0.942 mL**- Rationale:

- 49.2 mL
- Rationale:

- 9.42 mL
- Rationale:

- 2.94 mL
- Rationale:

### Overview

### Explanation

Determine all givens = wt convert to kg = 29.45 kg; dose ordered

4 mg/kg; available on hand = 500 mg/4 mL

Wt kg x Dose ordered = 29.45 kg x 4 mg/kg = 117.8 mg

Plug into formula: 117.8 mg / 500 mg x 4 mL = 0.942 mL