Mary anticipates coming into contact with the blood and body fluids of a patient. to protect herself and others from potential infections, she must wear

If Mary is about to come into contact with blood she must wear appropriate PPE (Personal, Protection, Equipment). Depending on the hemorrhage or bleeding, for minor thing; a pair of glove. If there is an arterial bleed she should dawn the whole package; Gloves, gown, facemask, and facesheild (she may also wear a HEPA respirator). 

Stimulants speed up the central nervous system.