Anatomy and Physiology II - The Digestive System
Study online at https://quizlet.com/_d3aui7
1. Which of these organs is not considered an accessory mouth
digestive structure?
A. mouth
B. salivary glands
C. pancreas
D. liver
2. Which of the following organs is supported by a layer esophagus
of adventitia rather than serosa?
A. esophagus
B. stomach
C. small intestine
D. large intestine
3. Which of the following membranes covers the stom- visceral peritoneum
ach?
A. falciform ligament
B. mesocolon
C. parietal peritoneum
D. visceral peritoneum
4. Which of these processes occur in the mouth? all of the above
A. ingestion
B. Mechanical digestion
C. chemical digestion
D. all of the above
5. Which of these processes occurs throughout most of propulsion
the alimentary canal?
A. ingestion
B. propulsion
, Anatomy and Physiology II - The Digestive System
Study online at https://quizlet.com/_d3aui7
c. segmentation
d. absorption
6. Which of the following stimuli activates sensors in the All of the above
walls of digestive organs?
A. breakdown products of digestion
B. distension
C. pH of chyme
D. all of the above
7. Which of these statements about reflexes in the GI A.
tract is false?
A. Short reflexes are provoked by nerves near the GI
tract.
B. Short reflexes are mediated by the enteric nervous
system.
C. Food that distends the stomach initiates long reflex-
es.
D. Long reflexes can be provoked by stimuli originat-
ing outside the GI tract.
8. Which of these ingredients in saliva is responsible for chloride ions
activating salivary amylase?
A. mucus
B. phosphate ions
C. chloride ions
D. urea
9. Which of these statements about the pharynx is true? B.
A. It extends from the nasal and oral cavities superior-
ly to the esophagus anteriorly.
B. The oropharynx is continuous superiorly with the
nasopharynx.
, Anatomy and Physiology II - The Digestive System
Study online at https://quizlet.com/_d3aui7
C. The nasopharynx is involved in digestion.
D. The laryngopharynx is composed partially of carti-
lage.
10. Which structure is located where the esophagus pen- esophageal hiatus
etrates the diaphragm?
A. esophageal hiatus
B. cardiac orifice
C. upper esophageal sphincter
D. lower esophageal sphincter
11. Which phase of deglutition involves contraction of the esophageal phase
longitudinal muscle layer of the muscularis?
A. voluntary phase
B. buccal phase
C. pharyngeal phase
D. esophageal phase
12. Which of these cells secrete hormones? enteroendocrine cells
A. parietal cells
B. mucous neck cells
C. enteroendocrine cells
D. chief cells
13. Where does the majority of chemical digestion in the fundus and body
stomach occur?
A. Fundus and body
B. cardia and fundus
C. body and pylorus
D. Body
14. During gastric emptying, chyme is released into the pyloric sphincter
duodenum through the....
Study online at https://quizlet.com/_d3aui7
1. Which of these organs is not considered an accessory mouth
digestive structure?
A. mouth
B. salivary glands
C. pancreas
D. liver
2. Which of the following organs is supported by a layer esophagus
of adventitia rather than serosa?
A. esophagus
B. stomach
C. small intestine
D. large intestine
3. Which of the following membranes covers the stom- visceral peritoneum
ach?
A. falciform ligament
B. mesocolon
C. parietal peritoneum
D. visceral peritoneum
4. Which of these processes occur in the mouth? all of the above
A. ingestion
B. Mechanical digestion
C. chemical digestion
D. all of the above
5. Which of these processes occurs throughout most of propulsion
the alimentary canal?
A. ingestion
B. propulsion
, Anatomy and Physiology II - The Digestive System
Study online at https://quizlet.com/_d3aui7
c. segmentation
d. absorption
6. Which of the following stimuli activates sensors in the All of the above
walls of digestive organs?
A. breakdown products of digestion
B. distension
C. pH of chyme
D. all of the above
7. Which of these statements about reflexes in the GI A.
tract is false?
A. Short reflexes are provoked by nerves near the GI
tract.
B. Short reflexes are mediated by the enteric nervous
system.
C. Food that distends the stomach initiates long reflex-
es.
D. Long reflexes can be provoked by stimuli originat-
ing outside the GI tract.
8. Which of these ingredients in saliva is responsible for chloride ions
activating salivary amylase?
A. mucus
B. phosphate ions
C. chloride ions
D. urea
9. Which of these statements about the pharynx is true? B.
A. It extends from the nasal and oral cavities superior-
ly to the esophagus anteriorly.
B. The oropharynx is continuous superiorly with the
nasopharynx.
, Anatomy and Physiology II - The Digestive System
Study online at https://quizlet.com/_d3aui7
C. The nasopharynx is involved in digestion.
D. The laryngopharynx is composed partially of carti-
lage.
10. Which structure is located where the esophagus pen- esophageal hiatus
etrates the diaphragm?
A. esophageal hiatus
B. cardiac orifice
C. upper esophageal sphincter
D. lower esophageal sphincter
11. Which phase of deglutition involves contraction of the esophageal phase
longitudinal muscle layer of the muscularis?
A. voluntary phase
B. buccal phase
C. pharyngeal phase
D. esophageal phase
12. Which of these cells secrete hormones? enteroendocrine cells
A. parietal cells
B. mucous neck cells
C. enteroendocrine cells
D. chief cells
13. Where does the majority of chemical digestion in the fundus and body
stomach occur?
A. Fundus and body
B. cardia and fundus
C. body and pylorus
D. Body
14. During gastric emptying, chyme is released into the pyloric sphincter
duodenum through the....
