BIO 202 EXAM 3 STUDY ACTUAL TEST
QUESTIONS AND CORRECT ANSWERS
COMPLETE REVIEW
◉ Serosa.
Answer: Outer connective tissue covering (visceral peritoneum)
◉ Enteric plexus.
Answer: Coordinates peristalsis and local digestive reflexes
◉ Function of saliva.
Answer: Lubricates food, begins carbohydrate digestion, dissolves
food for taste
◉ Salivary amylase.
Answer: Begins starch digestion
◉ Upper esophageal sphincter.
Answer: Prevents air from entering the esophagus
◉ Lower esophageal sphincter.
, Answer: Prevents stomach contents from refluxing into the
esophagus
◉ Mastication.
Answer: Chewing
◉ Organ connecting mouth to stomach.
Answer: Esophagus
◉ Three phases of swallowing.
Answer: Voluntary → Pharyngeal → Esophageal
◉ Regions of the stomach.
Answer: Cardia, fundus, body, pylorus
◉ Stomach secretions.
Answer: HCl, pepsinogen, intrinsic factor, mucus, gastrin
◉ What protects the stomach?.
Answer: Thick alkaline mucus
◉ Chyme.
QUESTIONS AND CORRECT ANSWERS
COMPLETE REVIEW
◉ Serosa.
Answer: Outer connective tissue covering (visceral peritoneum)
◉ Enteric plexus.
Answer: Coordinates peristalsis and local digestive reflexes
◉ Function of saliva.
Answer: Lubricates food, begins carbohydrate digestion, dissolves
food for taste
◉ Salivary amylase.
Answer: Begins starch digestion
◉ Upper esophageal sphincter.
Answer: Prevents air from entering the esophagus
◉ Lower esophageal sphincter.
, Answer: Prevents stomach contents from refluxing into the
esophagus
◉ Mastication.
Answer: Chewing
◉ Organ connecting mouth to stomach.
Answer: Esophagus
◉ Three phases of swallowing.
Answer: Voluntary → Pharyngeal → Esophageal
◉ Regions of the stomach.
Answer: Cardia, fundus, body, pylorus
◉ Stomach secretions.
Answer: HCl, pepsinogen, intrinsic factor, mucus, gastrin
◉ What protects the stomach?.
Answer: Thick alkaline mucus
◉ Chyme.
