This occurs near the end of a medical assistant's formal training, in which a student experiences learning and working within a medical setting

What receptor site would be targeted for the antihistamine ranitidine (Zantac)?

a. H1 b. H2 c. H3 d. None

The foreign substance responsible for causing an allergic reaction is called a(n):

A. allergen. B. antibody. C. histamine. D. leukotriene.