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.
-Atropine, 400 mcg, is to be given. If stock in the ward is 0.5 mg/ml, what volume should be drawn up for this dose?

A) 1 ml
B) 0.8 ml
C) 0.6 ml
D) 0.4 ml