Chemically similar drugs such as dopamine, epinephrine, norepinephrine, isuprel, and dobutamine are referred to as:
a. Catecholamines
b. Sympatholytics
c. Parasympathomimetic s
d. Hormones
Question 2
What anatomical structure consists of nine cartilages stabilized by ligaments, skeletal muscles, or both?
A) Pharynx B) Larynx C) Voice box D) Both B and C