The respiratory epithelium of the conducting airways consists of
A) pseudostratified ciliated columnar epithelium.
B) moist cuboidal epithelium.
C) simple squamous epithelium.
D) ciliated squamous epithelium.
E) stratified squamous epithelium.
Question 2
Tom suffers from hypertension (high blood pressure). Which of the following might help deal with his problem?
A) a drug that blocks alpha-1 receptors in smooth muscle
B) a drug that blocks alpha-2 receptors in adipose tissue
C) a drug that increases cAMP levels in cardiac muscle tissue
D) a drug that blocks beta receptors in cardiac muscle tissue
E) a drug that blocks alpha-1 receptors in smooth muscle and blocks beta receptors in cardiac muscle tissue