standard precautions means treating all blood, body fluids, non-intact skin, and mucous membranes as if they could carry bloodborne pathogens and infectious disease.

can i know what the options are for this question ? ?

answer a scar develops;

a. steroid--> influences moods in the limbic system

b. inhalant--> dissolves fatty tissue in the brain

c. marijuana--> changes how the hippocampus processes sensations