Question 1

Factors in the duodenum influence the rate of gastric emptying.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following enter the duodenum?

Accepted Answer

A)  pancreatic secretions 
B)  bile 
C)  fatty acids from digested lipids 
D)  both (a) and (b) above. 
E)  all of these answers. 
A)  pancreatic secretions 
B)  bile 
C)  fatty acids from digested lipids 
D)  both (a) and (b) above. 
E)  all of these answers.

Question 3

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code:
-Mass movements take place here.

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 4

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.
-secretin

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 5

Bile salts

Accepted Answer

A)  aid fat digestion. 
B)  aid fat absorption through micelle formation. 
C)  are secreted into the bile. 
D)  both (a) and (b) above. 
E)  all of these answers. 
A)  aid fat digestion. 
B)  aid fat absorption through micelle formation. 
C)  are secreted into the bile. 
D)  both (a) and (b) above. 
E)  all of these answers.

Question 6

The stomach mucosa is thrown into folds known as villi.

Accepted Answer

A) True 
 B)False

Question 7

Which is the primary absorptive organ of the digestive system?

Accepted Answer

A)  salivary glands. 
B)  oral cavity. 
C)  stomach. 
D)  small intestine. 
E)  colon. 
A)  salivary glands. 
B)  oral cavity. 
C)  stomach. 
D)  small intestine. 
E)  colon.

Question 8

Which statement regarding gastric motility and emptying is incorrect?

Accepted Answer

A)  increased fluidity allows more rapid emptying. 
B)  presence of acid and fat in the stomach initiates the enterogastric reflex. 
C)  increased gastric volume stimulates motility. 
D)  vagal activity stimulates motility. 
E)  distention of the stomach initiates short reflexes. 
A)  increased fluidity allows more rapid emptying. 
B)  presence of acid and fat in the stomach initiates the enterogastric reflex. 
C)  increased gastric volume stimulates motility. 
D)  vagal activity stimulates motility. 
E)  distention of the stomach initiates short reflexes.

Question 9

____________________ are the microscopic projections of the absorptive cells of the small intestine.

Accepted Answer

The answer of ____________________ are the microscopic projections of the...

Question 10

Compare peristalsis and segmentation.

Accepted Answer

Peristalsis occurs in the esophagus and

Question 11

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.
-pepsin(ogen)

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 12

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

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 13

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code:
-Stimulate(s) pancreatic digestive enzyme secretion.

Accepted Answer

A) both secretin and CCK 
B) secretin 
C) CCK 
D) gastrin 
A) both secretin and CCK 
B) secretin 
C) CCK 
D) gastrin

Question 14

The gastroesophageal sphincter is normally closed to prevent

Accepted Answer

A)  air from entering the esophagus during. 
B)  gastric contents from refluxing into the esophagus. 
C)  vomiting. 
D)  esophageal leaking into the stomach. 
E)  food from entering the pharynx. 
A)  air from entering the esophagus during. 
B)  gastric contents from refluxing into the esophagus. 
C)  vomiting. 
D)  esophageal leaking into the stomach. 
E)  food from entering the pharynx.

Question 15

Match gastric cell with correct characteristic.
-Secrete HCl.

Accepted Answer

A) chief cells 
B) parietal cells 
C) mucous cells 
D) G cells of PGA 
A) chief cells 
B) parietal cells 
C) mucous cells 
D) G cells of PGA

Question 16

Carbohydrate digestion takes place in the ____________________ (what part?) of the stomach under the influence of ____________________ (what enzyme?), whereas protein digestion takes place in the ____________________ under the influence of ____________________.

Accepted Answer

body, sali

Question 17

Which of the following breakfasts would remain in the stomach the longest?

Accepted Answer

A)  toast, orange juice, and coffee. 
B)  black coffee. 
C)  fried eggs, bacon, and hash browns. 
D)  bowl of cereal with skim milk. 
E)  boiled egg, toast, and juice. 
A)  toast, orange juice, and coffee. 
B)  black coffee. 
C)  fried eggs, bacon, and hash browns. 
D)  bowl of cereal with skim milk. 
E)  boiled egg, toast, and juice.

Question 18

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.
-aminopeptidase

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 19

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.
-pancreatic duct cell

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 20

Match structural unit with correct characteristic.
-Provides distensibility and elasticity.

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

Factors in the duodenum influence the rate of gastric emptying.

Which of the following enter the duodenum?

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code: -Mass movements take place here.

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. -secretin

Bile salts

The stomach mucosa is thrown into folds known as villi.

Which is the primary absorptive organ of the digestive system?

Which statement regarding gastric motility and emptying is incorrect?

____________________ are the microscopic projections of the absorptive cells of the small intestine.

Compare peristalsis and segmentation.

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. -pepsin(ogen)

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

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code: -Stimulate(s) pancreatic digestive enzyme secretion.

The gastroesophageal sphincter is normally closed to prevent

Match gastric cell with correct characteristic. -Secrete HCl.

Carbohydrate digestion takes place in the (what part?) of the stomach under the influence of (what enzyme?), whereas protein digestion takes place in the under the influence of .

Which of the following breakfasts would remain in the stomach the longest?

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. -aminopeptidase

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. -pancreatic duct cell

Match structural unit with correct characteristic. -Provides distensibility and elasticity.

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

Factors in the duodenum influence the rate of gastric emptying.

Which of the following enter the duodenum?

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code: -Mass movements take place here.

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. -secretin

Bile salts

The stomach mucosa is thrown into folds known as villi.

Which is the primary absorptive organ of the digestive system?

Which statement regarding gastric motility and emptying is incorrect?

____________________ are the microscopic projections of the absorptive cells of the small intestine.

Compare peristalsis and segmentation.

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. -pepsin(ogen)

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

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code: -Stimulate(s) pancreatic digestive enzyme secretion.

The gastroesophageal sphincter is normally closed to prevent

Match gastric cell with correct characteristic. -Secrete HCl.

Carbohydrate digestion takes place in the ____________________ (what part?) of the stomach under the influence of ____________________ (what enzyme?), whereas protein digestion takes place in the ____________________ under the influence of ____________________.

Which of the following breakfasts would remain in the stomach the longest?

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. -aminopeptidase

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. -pancreatic duct cell

Match structural unit with correct characteristic. -Provides distensibility and elasticity.

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

Carbohydrate digestion takes place in the (what part?) of the stomach under the influence of (what enzyme?), whereas protein digestion takes place in the under the influence of .