Question 1

Which of the following statements concerning cholecystokinin is correct?

Accepted Answer

A) Cholecystokinin stimulates relaxation of the gallbladder. 
B) Cholecystokinin stimulates secretion of mucus by the gastric glands. 
C) Cholecystokinin stimulates the pancreas to release an enzyme-rich solution. 
D) Cholecystokinin stimulates the intestine to secrete trypsin. 
E) Cholecystokinin stimulates gastric secretions. 
A) Cholecystokinin stimulates relaxation of the gallbladder. 
B) Cholecystokinin stimulates secretion of mucus by the gastric glands. 
C) Cholecystokinin stimulates the pancreas to release an enzyme-rich solution. 
D) Cholecystokinin stimulates the intestine to secrete trypsin. 
E) Cholecystokinin stimulates gastric secretions.

Question 2

What is the function of interstitial cells of the myenteric plexus?

Accepted Answer

A) chemoreceptors that detect the chemical composition of food 
B) production of mucus for lubrication and protection 
C) pacemaker cells that promote rhythmic contractions of the smooth muscle 
D) release of enzymes for chemical digestion 
A) chemoreceptors that detect the chemical composition of food 
B) production of mucus for lubrication and protection 
C) pacemaker cells that promote rhythmic contractions of the smooth muscle 
D) release of enzymes for chemical digestion

Question 3

Reflux of gastric contents into the esophagus occurs because of

Accepted Answer

A) relaxation of the cardiac sphincter. 
B) contraction of the pyloric sphincter. 
C) spasms of the submucosal layer of the stomach wall. 
D) increased hydrochloric acid production by the parietal cells. 
E) increased amounts of mucous produced by the stomach. 
A) relaxation of the cardiac sphincter. 
B) contraction of the pyloric sphincter. 
C) spasms of the submucosal layer of the stomach wall. 
D) increased hydrochloric acid production by the parietal cells. 
E) increased amounts of mucous produced by the stomach.

Question 4

Which of the following would inhibit normal movements of the tongue?

Accepted Answer

A) swollen lips 
B) lingual frenulum extending to tip of tongue 
C) decrease in number of taste buds 
D) loss of all teeth 
E) swollen tonsils 
A) swollen lips 
B) lingual frenulum extending to tip of tongue 
C) decrease in number of taste buds 
D) loss of all teeth 
E) swollen tonsils

Question 5

Match the secretion with the correct cell type.
-mucus

Accepted Answer

A) endocrine cells 
B) hepatocyte 
C) parietal cells 
D) acinar cells 
E) goblet cells
, 
A) endocrine cells 
B) hepatocyte 
C) parietal cells 
D) acinar cells 
E) goblet cells
,

Question 6

Match the secretion with the correct cell type.
-trypsin

Accepted Answer

A) endocrine cells 
B) hepatocyte 
C) parietal cells 
D) acinar cells 
E) goblet cells
, 
A) endocrine cells 
B) hepatocyte 
C) parietal cells 
D) acinar cells 
E) goblet cells
,

Question 7

Which of the following cell types is correctly matched with its function?

Accepted Answer

A) endocrine cells - produce mucus 
B) absorptive cells - produce digestive enzymes 
C) granular cells - absorb nutrients 
D) goblet cells - produce hormones 
E) granular cells - produce granules 
A) endocrine cells - produce mucus 
B) absorptive cells - produce digestive enzymes 
C) granular cells - absorb nutrients 
D) goblet cells - produce hormones 
E) granular cells - produce granules

Question 8

Which of the following statements applies to the ileocecal sphincter?

Accepted Answer

A) Cecal distention enhances relaxation of this sphincter. 
B) Closure of this sphincter inhibits absorption in the small intestine. 
C) Peristaltic contractions reaching this sphincter cause it to relax. 
D) This sphincter is usually relaxed. 
E) This sphincter stays contracted. 
A) Cecal distention enhances relaxation of this sphincter. 
B) Closure of this sphincter inhibits absorption in the small intestine. 
C) Peristaltic contractions reaching this sphincter cause it to relax. 
D) This sphincter is usually relaxed. 
E) This sphincter stays contracted.

Question 9

Most nutrient absorption occurs in the

Accepted Answer

A) stomach and esophagus. 
B) duodenum and jejunum. 
C) ascending colon and cecum. 
D) pancreatic duct and gall bladder. 
E) ileum and transverse colon. 
A) stomach and esophagus. 
B) duodenum and jejunum. 
C) ascending colon and cecum. 
D) pancreatic duct and gall bladder. 
E) ileum and transverse colon.

Question 10

The salivary glands located just anterior to the ear are the

Accepted Answer

A) parotid glands. 
B) submandibular glands. 
C) buccal glands. 
D) labial glands. 
E) sublingual glands. 
A) parotid glands. 
B) submandibular glands. 
C) buccal glands. 
D) labial glands. 
E) sublingual glands.

Question 11

Where does the majority of nutrient absorption occur?

Accepted Answer

A) the stomach and duodenum 
B) the duodenum and ileum 
C) the jejunum and duodenum 
D) the ileum and jejunum 
A) the stomach and duodenum 
B) the duodenum and ileum 
C) the jejunum and duodenum 
D) the ileum and jejunum

Question 12

Intrinsic factor

Accepted Answer

A) increases gastric motility. 
B) causes the release of stomach acid. 
C) facilitates the absorption of vitamin B12. 
D) protects the stomach lining from the effects of stomach acid. 
E) stimulates the synthesis of DNA. 
A) increases gastric motility. 
B) causes the release of stomach acid. 
C) facilitates the absorption of vitamin B12. 
D) protects the stomach lining from the effects of stomach acid. 
E) stimulates the synthesis of DNA.

Question 13

The gastric phase of gastric secretion

Accepted Answer

A) decreases the release of gastrin in the stomach. 
B) is triggered by taste,sight,thought,or smell of food. 
C) is mediated by impulses on sympathetic nerves. 
D) leads to the greatest volume of gastric secretion. 
E) leads to the least volume of gastric secretion. 
A) decreases the release of gastrin in the stomach. 
B) is triggered by taste,sight,thought,or smell of food. 
C) is mediated by impulses on sympathetic nerves. 
D) leads to the greatest volume of gastric secretion. 
E) leads to the least volume of gastric secretion.

Question 14

A mixing contraction in the small intestine is called

Accepted Answer

A) peristalsis. 
B) segmental contraction. 
C) deglutition. 
D) mass movement. 
A) peristalsis. 
B) segmental contraction. 
C) deglutition. 
D) mass movement.

Question 15

Which of the following regions of the stomach is correctly matched with its description?

Accepted Answer

A) body - portion closest to the esophagus 
B) pylorus - the most inferior portion of the stomach 
C) fundus - opening from the stomach into the duodenum 
D) cardiac region - the largest portion of the stomach 
E) pyloric opening - opening from the esophagus 
A) body - portion closest to the esophagus 
B) pylorus - the most inferior portion of the stomach 
C) fundus - opening from the stomach into the duodenum 
D) cardiac region - the largest portion of the stomach 
E) pyloric opening - opening from the esophagus

Question 16

Match the disorder with the best description.
-hemorrhoids

Accepted Answer

A) inflammation of the liver 
B) watery feces 
C) bad breath 
D) enlargement or inflammation of the vein of the anal canal 
E) chronic acid in the esophagus
, 
A) inflammation of the liver 
B) watery feces 
C) bad breath 
D) enlargement or inflammation of the vein of the anal canal 
E) chronic acid in the esophagus
,

Question 17

Fatty acids and certain lipids in the duodenum initiate the release of

Accepted Answer

A) secretin and gastrin. 
B) cholecystokinin (CCK). 
C) gastrin and histamine. 
D) somatostatin and CCK. 
E) insulin and glucagon. 
A) secretin and gastrin. 
B) cholecystokinin (CCK). 
C) gastrin and histamine. 
D) somatostatin and CCK. 
E) insulin and glucagon.

Question 18

The lips,cheek,and tongue all aid in

Accepted Answer

A) speech and swallowing. 
B) mastication,speech,and swallowing. 
C) mastication and swallowing. 
D) mastication and sense of taste. 
E) deglutition and peristalsis. 
A) speech and swallowing. 
B) mastication,speech,and swallowing. 
C) mastication and swallowing. 
D) mastication and sense of taste. 
E) deglutition and peristalsis.

Question 19

Which of the following is correctly matched?

Accepted Answer

A) mucosa - controls peristalsis 
B) serosa - contains an extensive supply of nerves and blood vessels 
C) submucosa - lamina propria 
D) serosa - increased surface area 
E) muscularis - responsible for peristalsis 
A) mucosa - controls peristalsis 
B) serosa - contains an extensive supply of nerves and blood vessels 
C) submucosa - lamina propria 
D) serosa - increased surface area 
E) muscularis - responsible for peristalsis

Question 20

Lipid-soluble drugs placed under the tongue

Accepted Answer

A) are more easily swallowed. 
B) can be detected by taste buds. 
C) are quickly dissolved and absorbed. 
D) are then easy to chew. 
E) are not readily absorbed. 
A) are more easily swallowed. 
B) can be detected by taste buds. 
C) are quickly dissolved and absorbed. 
D) are then easy to chew. 
E) are not readily absorbed.

Exam 24: Digestive System

Which of the following statements concerning cholecystokinin is correct?

What is the function of interstitial cells of the myenteric plexus?

Reflux of gastric contents into the esophagus occurs because of

Which of the following would inhibit normal movements of the tongue?

Match the secretion with the correct cell type. -mucus

Match the secretion with the correct cell type. -trypsin

Which of the following cell types is correctly matched with its function?

Which of the following statements applies to the ileocecal sphincter?

Most nutrient absorption occurs in the

The salivary glands located just anterior to the ear are the

Where does the majority of nutrient absorption occur?

Intrinsic factor

The gastric phase of gastric secretion

A mixing contraction in the small intestine is called

Which of the following regions of the stomach is correctly matched with its description?

Match the disorder with the best description. -hemorrhoids

Fatty acids and certain lipids in the duodenum initiate the release of

The lips,cheek,and tongue all aid in

Which of the following is correctly matched?

Lipid-soluble drugs placed under the tongue

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Nutrition,metabolism,and Temperature Regulation

Urinary System

Water,electrolyte,and Acid-Based Balance

Reproductive System

Development,growth,aging,and Genetics

Filters