Question 1

All material that moves through the lumen of the digestive tract comes from outside of the body.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is not a function of the liver?

Accepted Answer

A) Metabolic processing of carbohydrates, proteins, and fats 
B) Secretion of proteolytic digestive enzymes 
C) Detoxification and/or degradation of body wastes, hormones, drugs, and foreign compounds 
D) Synthesis of plasma proteins essential to the clotting process 
E) Storage of glycogen, fats, iron, copper, and many vitamins 
A) Metabolic processing of carbohydrates, proteins, and fats 
B) Secretion of proteolytic digestive enzymes 
C) Detoxification and/or degradation of body wastes, hormones, drugs, and foreign compounds 
D) Synthesis of plasma proteins essential to the clotting process 
E) Storage of glycogen, fats, iron, copper, and many vitamins

Question 3

The epiglottis opens the glottis during the swallowing reflex.

Accepted Answer

A) True 
 B)False

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

Colonic secretion consists of _______________, which has a(n) ___________ (acidic or alkaline?) nature.

Accepted Answer

The answer of Colonic secretion consists of _______________, which has...

Question 6

Trypsinogen and chymotrypsinogen are activated by enterokinase, but procarboxypeptidase is not.

Accepted Answer

A) True 
 B)False

Question 7

Indicate which item in the top column best describes the item in the bottom column by writing the appropriate letter in the blank.
a.Secretes NaHCO3
b.Enzyme for protein digestion secreted by pancreas
c.First to activate pepsinogen
d.Enzyme for fat digestion
e.Functions inside brush border
f.Secretes gastrin
g.Stimulates parietal and chief cells
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 in response to the presence of acid
l.Stimulates pancreatic acinar cells
-Trypsin(ogen)

Accepted Answer

The answer of Indicate which item in the top column...

Question 8

There is continuous salivary secretion due to constant low-level stimulation by the parasympathetic nerve endings within the salivary glands.

Accepted Answer

A) True 
 B)False

Question 9

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

Question 10

Indicate which item in the top column best describes the item in the bottom column by writing the appropriate letter in the blank.
a.Secretes NaHCO3
b.Enzyme for protein digestion secreted by pancreas
c.First to activate pepsinogen
d.Enzyme for fat digestion
e.Functions inside brush border
f.Secretes gastrin
g.Stimulates parietal and chief cells
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 in response to the presence of acid
l.Stimulates pancreatic acinar cells
-Pyloric gland area

Accepted Answer

The answer of Indicate which item in the top column...

Question 11

Digestion of polysaccharides

Accepted Answer

A) is accomplished using enzymes 
B) utilizes hydrolysis 
C) utilizes dehydration 
D) is both a and b 
E) is both a and c 
A) is accomplished using enzymes 
B) utilizes hydrolysis 
C) utilizes dehydration 
D) is both a and b 
E) is both a and c

Question 12

Which of the following 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 
E) None of the above (all have a hormonal regulatory component) 
A) Salivary secretion 
B) Gastric secretion 
C) Pancreatic secretion 
D) Liver secretion 
E) None of the above (all have a hormonal regulatory component)

Question 13

Which statement regarding control of pancreatic secretion is correct?

Accepted Answer

A) Gastrin stimulates release of a substance that neutralizes acid. 
B) CCK stimulates release of enzymes. 
C) Secretin stimulates release of bicarbonate. 
D) All of the above are correct. 
E) Only b and c are correct. 
A) Gastrin stimulates release of a substance that neutralizes acid. 
B) CCK stimulates release of enzymes. 
C) Secretin stimulates release of bicarbonate. 
D) All of the above are correct. 
E) Only b and c are correct.

Question 14

CCK stimulates the ___________ cells in the pancreas to secrete _______________ fluid that is rich in ______________.

Accepted Answer

ACINAR, PA

Question 15

The ileocecal juncture serves as a barrier to prevent bacteria-laden contents of the large intestine from contaminating the small intestine.

Accepted Answer

A) True 
 B)False

Question 16

CCK causes relaxation of the sphincter of Oddi.

Accepted Answer

A) True 
 B)False

Question 17

Hormones acting in the small intestine include

Accepted Answer

A) secretin and cholecystokinin 
B) secretin and gastrin 
C) cholecystokinin and gastrin 
D) all of the above 
E) none of the above 
A) secretin and cholecystokinin 
B) secretin and gastrin 
C) cholecystokinin and gastrin 
D) all of the above 
E) none of the above

Question 18

Which of the following is an active proteolytic enzyme?

Accepted Answer

A) pepsinogen 
B) chymotrypsinogen 
C) procarboxypeptidase 
D) secretin 
E) None of the above 
A) pepsinogen 
B) chymotrypsinogen 
C) procarboxypeptidase 
D) secretin 
E) None of the above

Question 19

The enteric nervous system includes

Accepted Answer

A) the myenteric plexus 
B) the submucosal plexus 
C) branches of the vagus nerves 
D) a and b 
E) a and c 
A) the myenteric plexus 
B) the submucosal plexus 
C) branches of the vagus nerves 
D) a and b 
E) a and c

Question 20

The pharyngoesophageal sphincter is normally closed and its main function is to prevent esophageal secretions from entering the pharynx during breathing.

Accepted Answer

A) True 
 B)False

All material that moves through the lumen of the digestive tract comes from outside of the body.

Which of the following is not a function of the liver?

The epiglottis opens the glottis during the swallowing reflex.

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

Colonic secretion consists of _____, which has a(n) _ (acidic or alkaline?) nature.

Trypsinogen and chymotrypsinogen are activated by enterokinase, but procarboxypeptidase is not.

There is continuous salivary secretion due to constant low-level stimulation by the parasympathetic nerve endings within the salivary glands.

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

Digestion of polysaccharides

Which of the following is entirely under nervous control and has no hormonal regulatory component?

Which statement regarding control of pancreatic secretion is correct?

CCK stimulates the ___ cells in the pancreas to secrete _ fluid that is rich in ________.

The ileocecal juncture serves as a barrier to prevent bacteria-laden contents of the large intestine from contaminating the small intestine.

CCK causes relaxation of the sphincter of Oddi.

Hormones acting in the small intestine include

Which of the following is an active proteolytic enzyme?

The enteric nervous system includes

The pharyngoesophageal sphincter is normally closed and its main function is to prevent esophageal secretions from entering the pharynx during breathing.

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 Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

Energy Balance and Temperature Regulation

Principles of Endocrinology: the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive System

Filters

Exam 16: The Digestive System

All material that moves through the lumen of the digestive tract comes from outside of the body.

Which of the following is not a function of the liver?

The epiglottis opens the glottis during the swallowing reflex.

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

Colonic secretion consists of _______________, which has a(n) ___________ (acidic or alkaline?) nature.

Trypsinogen and chymotrypsinogen are activated by enterokinase, but procarboxypeptidase is not.

There is continuous salivary secretion due to constant low-level stimulation by the parasympathetic nerve endings within the salivary glands.

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

Digestion of polysaccharides

Which of the following is entirely under nervous control and has no hormonal regulatory component?

Which statement regarding control of pancreatic secretion is correct?

CCK stimulates the ___________ cells in the pancreas to secrete _______________ fluid that is rich in ______________.

The ileocecal juncture serves as a barrier to prevent bacteria-laden contents of the large intestine from contaminating the small intestine.

CCK causes relaxation of the sphincter of Oddi.

Hormones acting in the small intestine include

Which of the following is an active proteolytic enzyme?

The enteric nervous system includes

The pharyngoesophageal sphincter is normally closed and its main function is to prevent esophageal secretions from entering the pharynx during breathing.

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 Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

Energy Balance and Temperature Regulation

Principles of Endocrinology: the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive System

Filters

Colonic secretion consists of _____, which has a(n) _ (acidic or alkaline?) nature.

CCK stimulates the ___ cells in the pancreas to secrete _ fluid that is rich in ________.