A child weighing 40 kg is prescribed to receive erythromycin 150 mg IV. The medication available is 500 mg to be diluted with 10 mL sterile water. The dose is further diluted in 100 mL 0.9% normal saline
What is the total volume of the fluid in the volume control chamber that the nurse will infuse in the child? 1. 97 mL
2. 100 mL
3. 103 mL
4. 110 mL
3
Rationale 1: mL/dose = 10 mL/500 mg x 150 mg/dose. Multiply the numerators and then divide by the denominators. The client will receive 3 mL/dose. This dose must be diluted in 100 mL of NS; therefore, the nurse will infuse 103 mL/dose.
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