Question 1

A(n) ____________________ is an aggregation of bile salts and lecithin.

Accepted Answer

The answer of A(n) ____________________ is an aggregation of bile...

Question 2

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.
-lipase

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 3

Cholecystokinin

Accepted Answer

A)  inhibits stomach emptying 
B)  stimulates pancreatic enzyme secretion. 
C)  causes contraction of the gallbladder. 
D)  both (b) and (c) above. 
E)  all of these answers. 
A)  inhibits stomach emptying 
B)  stimulates pancreatic enzyme secretion. 
C)  causes contraction of the gallbladder. 
D)  both (b) and (c) above. 
E)  all of these answers.

Question 4

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code:
-Food converted to bolus.

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 5

Segmentation contractions:

Accepted Answer

A)  occur in the stomach 
B)  are suppressed by acetylcholine 
C)  are initiated by pacemaker cells 
D)  occur in the colon 
E)  quickly propel chyme through the small intestines 
A)  occur in the stomach 
B)  are suppressed by acetylcholine 
C)  are initiated by pacemaker cells 
D)  occur in the colon 
E)  quickly propel chyme through the small intestines

Question 6

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code:
-Known as an enterogastrone.

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 7

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code.
-Pancreatic enzyme that digests protein.

Accepted Answer

A) bile salts 
B) pepsin(ogen) 
C) amylase 
D) lipase 
E) trypsin(ogen) 
A) bile salts 
B) pepsin(ogen) 
C) amylase 
D) lipase 
E) trypsin(ogen)

Question 8

Match digestive enzyme with correct characteristic.
-Activation initiated by enterokinase.

Accepted Answer

A) amylase. 
B) trypsin 
C) chymotrypsin 
D) lipase 
A) amylase. 
B) trypsin 
C) chymotrypsin 
D) lipase

Question 9

Gastric mixing

Accepted Answer

A)  occurs primarily in the body of the stomach. 
B)  occurs as a result of the stomach's contents being tumbled back and forth in the antrum because of vigorous peristaltic contractions. 
C)  mixes the food with gastric secretions to convert it to a finely divided liquid form known as chyme. 
D)  both (b) and (c) above. 
E)  all of these answers. 
A)  occurs primarily in the body of the stomach. 
B)  occurs as a result of the stomach's contents being tumbled back and forth in the antrum because of vigorous peristaltic contractions. 
C)  mixes the food with gastric secretions to convert it to a finely divided liquid form known as chyme. 
D)  both (b) and (c) above. 
E)  all of these answers.

Question 10

Swallowing

Accepted Answer

A)  includes the movement of the bolus from the mouth to the stomach. 
B)  includes only the movement of the bolus from the mouth to the esophagus. 
C)  is a sequentially programmed, multiple response, all-or-none reflex. 
D)  both (a) and (c) above. 
E)  both (b) and (c) above. 
A)  includes the movement of the bolus from the mouth to the stomach. 
B)  includes only the movement of the bolus from the mouth to the esophagus. 
C)  is a sequentially programmed, multiple response, all-or-none reflex. 
D)  both (a) and (c) above. 
E)  both (b) and (c) above.

Question 11

Which of the following is not a component of saliva?

Accepted Answer

A)  amylase. 
B)  mucus. 
C)  pepsin. 
D)  lysosome. 
E)  water. 
A)  amylase. 
B)  mucus. 
C)  pepsin. 
D)  lysosome. 
E)  water.

Question 12

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.
-salivary amylase

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 13

Peristaltic antral contractions

Accepted Answer

A)  occur at a rate of 3/min. 
B)  are responsible for emptying food into the duodenum. 
C)  are responsible for mixing food and gastric enzymes within the antrum. 
D)  both (a) and (b) above. 
E)  all of these answers. 
A)  occur at a rate of 3/min. 
B)  are responsible for emptying food into the duodenum. 
C)  are responsible for mixing food and gastric enzymes within the antrum. 
D)  both (a) and (b) above. 
E)  all of these answers.

Question 14

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 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 15

The wall of the digestive tract contains different types of sensory receptors that:

Accepted Answer

A)  respond to chemical changes 
B)  respond to mechanical changes 
C)  respond to temperature changes 
D)  both (a) and (b) 
E)  both (a) and (c) 
A)  respond to chemical changes 
B)  respond to mechanical changes 
C)  respond to temperature changes 
D)  both (a) and (b) 
E)  both (a) and (c)

Question 16

MATCHING
Match control mechanism with characteristic.
-responsible for coordinating local activity within the digestive tract

Accepted Answer

A) autonomous smooth muscle function 
B) extrinsic (autonomic) nerves 
C) hormones 
D) intrinsic nerve plexuses 
A) autonomous smooth muscle function 
B) extrinsic (autonomic) nerves 
C) hormones 
D) intrinsic nerve plexuses

Question 17

Match digestive enzyme with correct characteristic.
-Works in conjunction with bile.

Accepted Answer

A) amylase. 
B) trypsin 
C) chymotrypsin 
D) lipase 
A) amylase. 
B) trypsin 
C) chymotrypsin 
D) lipase

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.
-cholecystokinin

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

Which of the following are functions of aqueous NaHCO3 secreted by the pancreas into the duodenum?

Accepted Answer

A)  neutralization of acidic gastric contents emptied into the duodenum. 
B)  prevention of irritation of the duodenal mucosa. 
C)  active digestion of fat molecules into fatty acids. 
D)  both (a) and (b) above. 
E)  all of these answers. 
A)  neutralization of acidic gastric contents emptied into the duodenum. 
B)  prevention of irritation of the duodenal mucosa. 
C)  active digestion of fat molecules into fatty acids. 
D)  both (a) and (b) above. 
E)  all of these answers.

Question 20

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.
-pyloric gland area

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.

A(n) ____________________ is an aggregation of bile salts and lecithin.

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. -lipase

Cholecystokinin

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code: -Food converted to bolus.

Segmentation contractions:

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code: -Known as an enterogastrone.

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code. -Pancreatic enzyme that digests protein.

Match digestive enzyme with correct characteristic. -Activation initiated by enterokinase.

Gastric mixing

Swallowing

Which of the following is not a component of saliva?

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. -salivary amylase

Peristaltic antral contractions

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 begins.

The wall of the digestive tract contains different types of sensory receptors that:

MATCHING Match control mechanism with characteristic. -responsible for coordinating local activity within the digestive tract

Match digestive enzyme with correct characteristic. -Works in conjunction with bile.

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. -cholecystokinin

Which of the following are functions of aqueous NaHCO₃ secreted by the pancreas into the duodenum?

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. -pyloric gland area

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

A(n) ____________________ is an aggregation of bile salts and lecithin.

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. -lipase

Cholecystokinin

Indicate the site at which the following digestive processes take place by writing the appropriate letter in the blank using the following answer code: -Food converted to bolus.

Segmentation contractions:

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code: -Known as an enterogastrone.

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code. -Pancreatic enzyme that digests protein.

Match digestive enzyme with correct characteristic. -Activation initiated by enterokinase.

Gastric mixing

Swallowing

Which of the following is not a component of saliva?

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. -salivary amylase

Peristaltic antral contractions

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 begins.

The wall of the digestive tract contains different types of sensory receptors that:

MATCHING Match control mechanism with characteristic. -responsible for coordinating local activity within the digestive tract

Match digestive enzyme with correct characteristic. -Works in conjunction with bile.

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. -cholecystokinin

Which of the following are functions of aqueous NaHCO3 secreted by the pancreas into the duodenum?

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. -pyloric gland area

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

Which of the following are functions of aqueous NaHCO₃ secreted by the pancreas into the duodenum?