Pat Goss Is a 16-Year-Old Who Was in a Motor

Pat Goss is a 16-year-old who was in a motor vehicle accident. She has several limb fractures, which have been stabilised, and lacerations, which are infected. She has just come to the ward from ICU and you are assisting the registered nurse with her care. The following six questions relate to her care.
-The antibiotic Gentamicin 120 mg is to be given intravenously. Stock available is 40 mg/ml. The registered nurse should draw up

A) 6 ml
B) 5 ml
C) 4 ml
D) 3 ml