1. In the mouth and stomach, salivary ?-amylase initiates the digestion of which
nutrients?
a. Proteins
b. Carbohydrates
c. Fats
d. Fiber
2. Saliva contains which immunoglobulin (Ig)?
a. IgA
b. IgE
c. IgG
d. IgM
3. What effect is a result of inhibiting the parasympathetic nervous system with a drug
such as atropine?
a. Salivation becomes thinner.
b. Salivation decreases.
c. The pH of saliva changes.
d. Digestive enzymes are inhibited.
4. Food enters the stomach via which orifice or sphincter?
a. Cardiac
b. Upper esophageal
c. Gastric
d. Fundal