Question 1

Which statement is entirely under nervous control and has no hormonal regulatory component?

Accepted Answer

A)  salivary secretion 
B)  gastric secretion 
C)  pancreatic secretion 
D)  liver secretion 
A)  salivary secretion 
B)  gastric secretion 
C)  pancreatic secretion 
D)  liver secretion

Question 2

Haustrations propel the feces one-third to three-quarters the length of the colon in a few seconds.

Accepted Answer

A) True 
 B)False

Question 3

All the pancreatic enzymes are secreted in inactive form.

Accepted Answer

A) True 
 B)False

Question 4

Which statement concerning chylomicrons is correct?

Accepted Answer

A)  They are aggregations of triglycerides formed within intestinal epithelial cells and covered with a layer of lipoprotein, which renders them water soluble. 
B)  They are aggregations of bile salts, monoglycerides, and free fatty acids. 
C)  They are small fat globules held apart by the action of bile salts. 
D)  They are secreted in the succus entericus. 
A)  They are aggregations of triglycerides formed within intestinal epithelial cells and covered with a layer of lipoprotein, which renders them water soluble. 
B)  They are aggregations of bile salts, monoglycerides, and free fatty acids. 
C)  They are small fat globules held apart by the action of bile salts. 
D)  They are secreted in the succus entericus.

Question 5

Bile salts are derivatives of cholesterol.

Accepted Answer

A) True 
 B)False

Question 6

During defecation,the internal anal sphincter relaxes.

Accepted Answer

A) True 
 B)False

Question 7

The primary wave of peristalsis in the esophagus is initiated by the ____________________.If this primary wave fails to push the bolus to the stomach,a secondary peristaltic wave is initiated by the ____________________.

Accepted Answer

swallowing

Question 8

Sodium can be absorbed both actively and passively.

Accepted Answer

A) True 
 B)False

Question 9

Alcohol can be absorbed by the stomach mucosa more quickly than by the small intestine mucosa.

Accepted Answer

A) True 
 B)False

Question 10

CCK causes relaxation of the sphincter of Oddi.

Accepted Answer

A) True 
 B)False

Question 11

What is NOT secreted by the stomach in response to parasympathetic (acetylcholine)stimulation?

Accepted Answer

A)  pepsinogen 
B)  HCl 
C)  gastrin 
D)  histamine 
A)  pepsinogen 
B)  HCl 
C)  gastrin 
D)  histamine

Question 12

Protein digestion is initiated by salivary amylase.

Accepted Answer

A) True 
 B)False

Question 13

Most of the fluid presented to the small intestine for absorption has been ingested.

Accepted Answer

A) True 
 B)False

Question 14

Receptive relaxation refers to relaxation of the __________________

Accepted Answer

A)  pharyngoesophageal sphincter during swallowing 
B)  pyloric sphincter when the duodenum is prepared to receive the chyme 
C)  external anal sphincter when the individual is receptive to the defecation reflex 
D)  stomach as it starts to fill, thereby allowing an increase in volume with very little increase in pressure 
A)  pharyngoesophageal sphincter during swallowing 
B)  pyloric sphincter when the duodenum is prepared to receive the chyme 
C)  external anal sphincter when the individual is receptive to the defecation reflex 
D)  stomach as it starts to fill, thereby allowing an increase in volume with very little increase in pressure

Question 15

Bile is secreted continuously by the gallbladder.

Accepted Answer

A) True 
 B)False

Question 16

Which factor will NOT influence the rate at which a meal will empty from the stomach?

Accepted Answer

A)  fat in the duodenum 
B)  acid in the duodenum 
C)  caffeine in the duodenum 
D)  hypertonicity of the duodenal contents 
A)  fat in the duodenum 
B)  acid in the duodenum 
C)  caffeine in the duodenum 
D)  hypertonicity of the duodenal contents

Question 17

The main function of the ileocecal valve/sphincter is to prevent small intestinal contents from entering the large intestine before digestion of food is completed.

Accepted Answer

A) True 
 B)False

Question 18

The enterogastric reflex promotes gastric emptying.

Accepted Answer

A) True 
 B)False

Question 19

What are the various outcomes with regards to the other digestive organs when the stomach distends?

Accepted Answer

When the stomach distends, it can have v

Question 20

What does NOT happen during the cephalic phase of gastric secretion?

Accepted Answer

A)  Thinking about, seeing, smelling, and chewing food reflexively increases gastric secretion. 
B)  Vagal stimulation of the gastric glands occurs. 
C)  Secretin is released. 
A)  Thinking about, seeing, smelling, and chewing food reflexively increases gastric secretion. 
B)  Vagal stimulation of the gastric glands occurs. 
C)  Secretin is released.

Which statement is entirely under nervous control and has no hormonal regulatory component?

Haustrations propel the feces one-third to three-quarters the length of the colon in a few seconds.

All the pancreatic enzymes are secreted in inactive form.

Which statement concerning chylomicrons is correct?

Bile salts are derivatives of cholesterol.

During defecation,the internal anal sphincter relaxes.

The primary wave of peristalsis in the esophagus is initiated by the .If this primary wave fails to push the bolus to the stomach,a secondary peristaltic wave is initiated by the .

Sodium can be absorbed both actively and passively.

Alcohol can be absorbed by the stomach mucosa more quickly than by the small intestine mucosa.

CCK causes relaxation of the sphincter of Oddi.

What is NOT secreted by the stomach in response to parasympathetic (acetylcholine)stimulation?

Protein digestion is initiated by salivary amylase.

Most of the fluid presented to the small intestine for absorption has been ingested.

Receptive relaxation refers to relaxation of the __________________

Bile is secreted continuously by the gallbladder.

Which factor will NOT influence the rate at which a meal will empty from the stomach?

The main function of the ileocecal valve/sphincter is to prevent small intestinal contents from entering the large intestine before digestion of food is completed.

The enterogastric reflex promotes gastric emptying.

What are the various outcomes with regards to the other digestive organs when the stomach distends?

What does NOT happen during the cephalic phase of gastric secretion?

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

Energy Balance and Temperature Regulation

The Endocrine Glands

The Reproductive System

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Exam 14: The Digestive System

Which statement is entirely under nervous control and has no hormonal regulatory component?

Haustrations propel the feces one-third to three-quarters the length of the colon in a few seconds.

All the pancreatic enzymes are secreted in inactive form.

Which statement concerning chylomicrons is correct?

Bile salts are derivatives of cholesterol.

During defecation,the internal anal sphincter relaxes.

The primary wave of peristalsis in the esophagus is initiated by the ____________________.If this primary wave fails to push the bolus to the stomach,a secondary peristaltic wave is initiated by the ____________________.

Sodium can be absorbed both actively and passively.

Alcohol can be absorbed by the stomach mucosa more quickly than by the small intestine mucosa.

CCK causes relaxation of the sphincter of Oddi.

What is NOT secreted by the stomach in response to parasympathetic (acetylcholine)stimulation?

Protein digestion is initiated by salivary amylase.

Most of the fluid presented to the small intestine for absorption has been ingested.

Receptive relaxation refers to relaxation of the __________________

Bile is secreted continuously by the gallbladder.

Which factor will NOT influence the rate at which a meal will empty from the stomach?

The main function of the ileocecal valve/sphincter is to prevent small intestinal contents from entering the large intestine before digestion of food is completed.

The enterogastric reflex promotes gastric emptying.

What are the various outcomes with regards to the other digestive organs when the stomach distends?

What does NOT happen during the cephalic phase of gastric secretion?

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

Energy Balance and Temperature Regulation

The Endocrine Glands

The Reproductive System

Filters

The primary wave of peristalsis in the esophagus is initiated by the .If this primary wave fails to push the bolus to the stomach,a secondary peristaltic wave is initiated by the .