The physician orders vancomycin (Vancocin) 500 mg q.6h. Directions on the label instruct 500 mg vial to be diluted with 10 mL of sterile water and then further diluted with 100 mL of D 5W. How many mL of fluid will there be in the VCC when medication is ready to infuse? 100 mL 10 mL 110 mL 115 mL.
Ans.
110 ml .
Because- formula to calculate dose is-
Desirable dose× quality with available/ available dose.
Desire - 500 mg. Available - 500mg /10 ml
500×10/50=10 ml .
then further diluted with 100 mL of D 5W.
So 110 ml ready to infuse.
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