Question

Introduction of a drug directly into the respiratory tract is a form of _______ administration.
a. topical
c. enteral
b. inhalation
d. parenteral

Answer 1

B) Inhalation, breathing something in will have it enter your system the quickest 

enteral, through eating or by mouth
topical, on the skin
parenteral, both trough eating/mouth or yer um... bum