Ms Chisholme Has Been Admitted to Hospital for an Appendicectomy

Ms Chisholme has been admitted to hospital for an appendicectomy. She has a history of a previous deep vein thrombosis, she is on an oral contraceptive pill and she smokes 20 to 25 cigarettes per day. The following seven questions relate to her management.
-If the dose required is 750 mg, the volume of solution that should be drawn up is

A) 7.5 ml
B) 6.3 ml
C) 5 ml
D) 3 ml