Question: Match Amylase, Digestion, Pepsin, Pharynx, and Small intestine with their descriptions.

Answer Options: Amylase Digestion Pepsin Pharynx Small intestine

Answer: Digestion → mechanical/chemical food breakdown; Pharynx → throat receiving swallowed food; Small intestine → main nutrient absorption site; Pepsin → stomach protein-digesting enzyme; Amylase → breaks down starch. 71.

Question: Sequence the four main layers of the gastrointestinal tract wall from innermost to outermost.

Answer Options: Serosa Mucosa Muscularis externa Submucosa

Answer: Mucosa → Submucosa → Muscularis externa → Serosa. 72.

Question: _____ is the active or passive transfer of substances from the lumen of the GI tract into the body.

Answer Options: Motility Excretion Secretion Absorption

Answer: Absorption. 73.

Question: The _____ comprise the oral cavity.

Answer Options: Gums Teeth Openings of salivary glands All of the above

Answer: All of the above. 74.

Question: The first section of the large intestine is called the _____.

Answer Options: Colon Cecum Sigmoid Duodenum

Answer: Cecum. 75.

Question: In the intestine, _____ cells secrete mucus into the lumen.

Answer Options: Foveolar Goblet Lamina Serosa

Answer: Goblet. 76.

Question: The darker-colored cells of the pancreas are acinar cells that produce various digestive enzymes.

Answer Options: True False

Answer: True. 77.

Question: Amylase is an enzyme released by both the salivary glands and pancreas that breaks down _____.

Answer Options: Lipids Proteins Nucleic acids Starches

Answer: Starches. 78.

Question: Food enters the digestive system and digestion begins in the _____.

Answer Options: Stomach Mouth Esophagus Intestine

Answer: Mouth. 79.