Question 1

Digestive motility

Accepted Answer

A)  is accomplished by smooth muscle contractions. 
B)  is accomplished by smooth and voluntary muscle contractions. 
C)  may be propulsive in nature. 
D)  both (a) and (b) above. 
E)  both (a) and (c) above. 
A)  is accomplished by smooth muscle contractions. 
B)  is accomplished by smooth and voluntary muscle contractions. 
C)  may be propulsive in nature. 
D)  both (a) and (b) above. 
E)  both (a) and (c) above.

Question 2

Bile acts in conjunction with:

Accepted Answer

A)  distention of the stomach. 
B)  gastrin. 
C)  amylase action 
D)  lipase action 
E)  pepsin action 
A)  distention of the stomach. 
B)  gastrin. 
C)  amylase action 
D)  lipase action 
E)  pepsin action

Question 3

The presence of protein in the stomach stimulates the release of histamine, which in turn promotes HCl and pepsinogen secretion.

Accepted Answer

A) True 
 B)False

Question 4

Which aspect of gastric motility is associated with receptive relaxation?

Accepted Answer

A)  gastric filling 
B)  gastric storage 
C)  gastric mixing 
D)  gastric emptying 
A)  gastric filling 
B)  gastric storage 
C)  gastric mixing 
D)  gastric emptying

Question 5

The ____________________ is the layer that lines the inside surface of the digestive tract.

Accepted Answer

The answer of The ____________________ is the layer that lines...

Question 6

Match structural unit with correct characteristic.
-Secretes gastrointestinal hormones.

Accepted Answer

A) serosa 
B) circular smooth muscle layer 
C) mucous membrane 
D) lamina propria 
E) submucosa
F)longitudinal smooth muscle layer 
A) serosa 
B) circular smooth muscle layer 
C) mucous membrane 
D) lamina propria 
E) submucosa
F)longitudinal smooth muscle layer

Question 7

The liver has endocrine functions which include secreting the hormones thrombopoietin and insulin-like growth factor-I

Accepted Answer

A) True 
 B)False

Question 8

The defecation reflex

Accepted Answer

A)  is initiated when mass movements force fecal material into the rectum, stimulating stretch receptors in the rectal wall. 
B)  involves relaxation of the internal anal sphincter and contraction of the sigmoid colon and rectum. 
C)  can be overridden by voluntary contraction of the external anal sphincter. 
D)  both (a) and (b) above. 
E)  all of these answers. 
A)  is initiated when mass movements force fecal material into the rectum, stimulating stretch receptors in the rectal wall. 
B)  involves relaxation of the internal anal sphincter and contraction of the sigmoid colon and rectum. 
C)  can be overridden by voluntary contraction of the external anal sphincter. 
D)  both (a) and (b) above. 
E)  all of these answers.

Question 9

The intrinsic nerve plexuses

Accepted Answer

A)  produce spontaneous depolarization of the smooth muscle cells in the wall of the digestive tract. 
B)  are located in the mucosa. 
C)  coordinate local activity in the digestive tract. 
D)  both (a) and (c) above. 
E)  all of these answers. 
A)  produce spontaneous depolarization of the smooth muscle cells in the wall of the digestive tract. 
B)  are located in the mucosa. 
C)  coordinate local activity in the digestive tract. 
D)  both (a) and (c) above. 
E)  all of these answers.

Question 10

The following series of 5 questions refer to the accompanying diagram of pathways controlling digestive function. Use the diagram to help answer the questions.  
-The action of the myenteric plexus on digestion is considered part of

Accepted Answer

A)  external influences 
B)  local changes in the digestive tract 
C)  intrinsic nerve plexus 
D)  extrinsic autonomic nerves 
E)  gastrointestinal hormones 
A)  external influences 
B)  local changes in the digestive tract 
C)  intrinsic nerve plexus 
D)  extrinsic autonomic nerves 
E)  gastrointestinal hormones

Question 11

The three gastrointestinal hormones that function as enterogastrones are ____________________, ____________________, and ____________________.

Accepted Answer

secretin, cholecysto

Question 12

What prevents food from entering the nasal passages during swallowing?

Accepted Answer

A)  elevation of the uvula 
B)  contraction of the pharyngeal muscles 
C)  positioning of the tongue 
D)  tight apposition of the vocal cords over the glottis 
E)  elevation of the epiglottis over the nasopharynx 
A)  elevation of the uvula 
B)  contraction of the pharyngeal muscles 
C)  positioning of the tongue 
D)  tight apposition of the vocal cords over the glottis 
E)  elevation of the epiglottis over the nasopharynx

Question 13

The primary site of absorption in the digestive system is the

Accepted Answer

A)  stomach. 
B)  small intestine. 
C)  colon. 
D)  esophagus. 
E)  mouth. 
A)  stomach. 
B)  small intestine. 
C)  colon. 
D)  esophagus. 
E)  mouth.

Question 14

Match the following by writing the appropriate letter in the blank. There is only one correct answer per question and each answer may be used only once.
-HCl

Accepted Answer

A) Secretes NaHCO3. 
B) Enzyme for protein digestion secreted by pancreas. 
C) Activates pepsinogen. 
D) Only enzyme for fat digestion. 
E) Functions inside brush border.
F)Secretes gastrin.
G)Stomach hormone.
H)Enzyme for carbohydrate digestion that functions primarily in the body of the stomach.
I)Secreted by chief cells.
J)Secretes pancreatic enzymes.
K)Secreted by duodenal cells, stimulates NaHCO3.
L)Inhibits stomach emptying. 
A) Secretes NaHCO3. 
B) Enzyme for protein digestion secreted by pancreas. 
C) Activates pepsinogen. 
D) Only enzyme for fat digestion. 
E) Functions inside brush border.
F)Secretes gastrin.
G)Stomach hormone.
H)Enzyme for carbohydrate digestion that functions primarily in the body of the stomach.
I)Secreted by chief cells.
J)Secretes pancreatic enzymes.
K)Secreted by duodenal cells, stimulates NaHCO3.
L)Inhibits stomach emptying.

Question 15

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code:
-Carbohydrate digestion is completed.

Accepted Answer

A) mouth 
B) stomach 
C) small intestine lumen 
D) intracellularly in the small intestine brush border 
E) colon 
A) mouth 
B) stomach 
C) small intestine lumen 
D) intracellularly in the small intestine brush border 
E) colon

Question 16

Which statement regarding control of pancreatic secretion is correct?

Accepted Answer

A)  gastrin stimulates release of neutralization solution. 
B)  CCK stimulates release of enzymes. 
C)  secretin stimulates release of bicarbonate. 
D)  both (a) and (b) above. 
E)  both (b) and (c) above. 
A)  gastrin stimulates release of neutralization solution. 
B)  CCK stimulates release of enzymes. 
C)  secretin stimulates release of bicarbonate. 
D)  both (a) and (b) above. 
E)  both (b) and (c) above.

Question 17

After the food has been chewed and mixed with salivary secretion, it is referred to as chyme.

Accepted Answer

A) True 
 B)False

Question 18

Chyme is produced in the stomach.

Accepted Answer

A) True 
 B)False

Question 19

Match hormone with action.
-induces bicarbonate secretion.

Accepted Answer

A) gastrin 
B) secretin 
C) CCK 
D) gastric inhibitory peptide 
E) histamine 
A) gastrin 
B) secretin 
C) CCK 
D) gastric inhibitory peptide 
E) histamine

Question 20

Swallowing propels a bolus of food from the mouth through the pharynx and esophagus into the stomach via a complex, sequential, multiple-response reflex.

Accepted Answer

A) True 
 B)False

Digestive motility

Bile acts in conjunction with:

The presence of protein in the stomach stimulates the release of histamine, which in turn promotes HCl and pepsinogen secretion.

Which aspect of gastric motility is associated with receptive relaxation?

The ____________________ is the layer that lines the inside surface of the digestive tract.

Match structural unit with correct characteristic. -Secretes gastrointestinal hormones.

The liver has endocrine functions which include secreting the hormones thrombopoietin and insulin-like growth factor-I

The defecation reflex

The intrinsic nerve plexuses

The following series of 5 questions refer to the accompanying diagram of pathways controlling digestive function. Use the diagram to help answer the questions. -The action of the myenteric plexus on digestion is considered part of

The three gastrointestinal hormones that function as enterogastrones are , , and .

What prevents food from entering the nasal passages during swallowing?

The primary site of absorption in the digestive system is the

Match the following by writing the appropriate letter in the blank. There is only one correct answer per question and each answer may be used only once. -HCl

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code: -Carbohydrate digestion is completed.

Which statement regarding control of pancreatic secretion is correct?

After the food has been chewed and mixed with salivary secretion, it is referred to as chyme.

Chyme is produced in the stomach.

Match hormone with action. -induces bicarbonate secretion.

Swallowing propels a bolus of food from the mouth through the pharynx and esophagus into the stomach via a complex, sequential, multiple-response reflex.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division and Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

Filters

Exam 15: The Digestive System

Digestive motility

Bile acts in conjunction with:

The presence of protein in the stomach stimulates the release of histamine, which in turn promotes HCl and pepsinogen secretion.

Which aspect of gastric motility is associated with receptive relaxation?

The ____________________ is the layer that lines the inside surface of the digestive tract.

Match structural unit with correct characteristic. -Secretes gastrointestinal hormones.

The liver has endocrine functions which include secreting the hormones thrombopoietin and insulin-like growth factor-I

The defecation reflex

The intrinsic nerve plexuses

The following series of 5 questions refer to the accompanying diagram of pathways controlling digestive function. Use the diagram to help answer the questions. -The action of the myenteric plexus on digestion is considered part of

The three gastrointestinal hormones that function as enterogastrones are ____________________, ____________________, and ____________________.

What prevents food from entering the nasal passages during swallowing?

The primary site of absorption in the digestive system is the

Match the following by writing the appropriate letter in the blank. There is only one correct answer per question and each answer may be used only once. -HCl

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code: -Carbohydrate digestion is completed.

Which statement regarding control of pancreatic secretion is correct?

After the food has been chewed and mixed with salivary secretion, it is referred to as chyme.

Chyme is produced in the stomach.

Match hormone with action. -induces bicarbonate secretion.

Swallowing propels a bolus of food from the mouth through the pharynx and esophagus into the stomach via a complex, sequential, multiple-response reflex.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division and Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

Filters

The three gastrointestinal hormones that function as enterogastrones are , , and .