Histamine 1 (H1) Blocking Drugs Such as Cetirizine Are Preferred

Histamine 1 (H1) blocking drugs such as cetirizine are preferred over drugs such as diphenhydramine because they are less sedating. Cetirizine is a nonsedating H1-blocking drug.

A) Both statements are TRUE
B) The first statement is TRUE; the second statement is FALSE
C) The first statement is FALSE; the second statement is TRUE
D) Both statements are FALSE