Which of the following may be prescribed as a sleep aid?
a. Pseudoephedrine (Sudafed)
b. Diphenhydramine hydrochloride (Benadryl)
c. Guaifenesin (Robitussin)
d. Cetirizine (Zyrtec)
Question 2
The term flu 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. a viral infection associated with symptoms of fever, headache, muscle ache, and extreme fatigue.