In cold remedies, sympathomimetics are used for their
a. bronchodilating effects.
b. cardiac stimulating effects.
c. vasodilating effects.
d. vasoconstricting effects.
Question 2
The term common cold refers to
a. a bacterial infection of the upper respiratory tract.
b. a nonbacterial infection of the upper respiratory tract.
c. a bacterial infection of the lower respiratory tract.
d. an infection with tuberculosis organisms.