Question 1

Stomach acid is neutralized

Accepted Answer

A) in the duodenum 
B) by trypsin 
C) by solutions secreted from the antrum 
D) in the colon 
E) by secretin 
A) in the duodenum 
B) by trypsin 
C) by solutions secreted from the antrum 
D) in the colon 
E) by secretin

Question 2

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 3

Match hormone with action.
a.gastrin
b.secretin
c.CCK
d.glucose-dependent insulinotropic peptide
e.histamine
-Induces bicarbonate secretion

Accepted Answer

The answer of Match hormone with action.
a.gastrin
b.secretin
c.CCK
d.glucose-dependent insulinotropic peptide
e.histamine
-Induces bicarbonate...

Question 4

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code
.
a.bile salts
b.pepsin(ogen)
c.amylase
d.lipase
e.trypsin(ogen)
-Important in emulsification

Accepted Answer

The answer of Indicate which digestive secretion is being described...

Question 5

If peristalsis in the esophagus is insufficient to carry a large bolus to the stomach,

Accepted Answer

A) a secondary peristaltic wave is initiated by the swallowing center 
B) a secondary peristaltic wave is initiated and, mediated by the intrinsic nerve plexuses 
C) the food remains in the esophagus until voluntary swallowing is initiated again 
D) increased esophageal secretion lubricates the bolus so that it can slide to the stomach 
E) food never becomes stuck because the esophagus is very distensible 
A) a secondary peristaltic wave is initiated by the swallowing center 
B) a secondary peristaltic wave is initiated and, mediated by the intrinsic nerve plexuses 
C) the food remains in the esophagus until voluntary swallowing is initiated again 
D) increased esophageal secretion lubricates the bolus so that it can slide to the stomach 
E) food never becomes stuck because the esophagus is very distensible

Question 6

The most important stimulus for contraction of the gallbladder is

Accepted Answer

A) CCK 
B) mechanical contraction of the small intestine 
C) sympathetic stimulation 
D) an increase in bile secretion by the liver 
E) bile salts 
A) CCK 
B) mechanical contraction of the small intestine 
C) sympathetic stimulation 
D) an increase in bile secretion by the liver 
E) bile salts

Question 7

In general, sympathetic stimulation is excitatory to digestive activity.

Accepted Answer

A) True 
 B)False

Question 8

Salivary secretion is

Accepted Answer

A) entirely under neural control (i.e., there is no hormonal control of salivary secretion) 
B) a passive secretion 
C) stimulated by the parasympathetic nervous system and inhibited by the sympathetic nervous system 
D) both a and b 
E) both a and c 
A) entirely under neural control (i.e., there is no hormonal control of salivary secretion) 
B) a passive secretion 
C) stimulated by the parasympathetic nervous system and inhibited by the sympathetic nervous system 
D) both a and b 
E) both a and c

Question 9

Lipids are

Accepted Answer

A) broken down by pepsin 
B) absorbed into lacteals 
C) parts of micelles in the duodenum 
D) are both a and b 
E) are both b and c 
A) broken down by pepsin 
B) absorbed into lacteals 
C) parts of micelles in the duodenum 
D) are both a and b 
E) are both b and c

Question 10

The _________________ function as nurseries for epithelial cells that continually slough off of the small intestine's mucosa.

Accepted Answer

The answer of The _________________ function as nurseries for epithelial...

Question 11

Upon arrival of a new meal in the stomach, the gastrocolic reflex pushes the colonic contents into the rectum, triggering the defecation reflex to eliminate the remains of a preceding meal.

Accepted Answer

A) True 
 B)False

Question 12

The outer muscle layer of the digestive tract consists of circular smooth muscle.

Accepted Answer

A) True 
 B)False

Question 13

Match hormone with action.
a.gastrin
b.secretin
c.CCK
d.glucose-dependent insulinotropic peptide
e.histamine
-Relaxes ileocecal sphincter

Accepted Answer

The answer of Match hormone with action.
a.gastrin
b.secretin
c.CCK
d.glucose-dependent insulinotropic peptide
e.histamine
-Relaxes ileocecal...

Question 14

After pepsinogen is activated, it

Accepted Answer

A) autocatalytically activates more pepsinogen 
B) activates pancreatic enzymes in the duodenum after gastric emptying has occurred 
C) inhibits the pyloric gland area in a negative-feedback fashion 
D) does a and b 
E) does none of the above 
A) autocatalytically activates more pepsinogen 
B) activates pancreatic enzymes in the duodenum after gastric emptying has occurred 
C) inhibits the pyloric gland area in a negative-feedback fashion 
D) does a and b 
E) does none of the above

Question 15

The presence of ____________________ in the stomach is the main stimulus to enhance gastric secretion.

Accepted Answer

The answer of The presence of ____________________ in the stomach...

Question 16

Identify the true statement(s) about peptic ulcers.

Accepted Answer

A) They are usually caused by excessive neural stimulation 
B) They are usually caused by bacterial infection 
C) They compromise the mucosal barrier and stomach wall 
D) Both a and b 
E) Both b and c 
A) They are usually caused by excessive neural stimulation 
B) They are usually caused by bacterial infection 
C) They compromise the mucosal barrier and stomach wall 
D) Both a and b 
E) Both b and c

Question 17

The strength of stomach contractions, which, in turn, affects the rate of gastric emptying, increases as the volume of chyme in the stomach increases.

Accepted Answer

A) True 
 B)False

Question 18

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
-Aminopeptidase

Accepted Answer

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

Question 19

Peristaltic waves always occur in the stomach at a rate of three contractions per minute, keeping pace with the BER.

Accepted Answer

A) True 
 B)False

Question 20

Colonic secretion contains no digestive enzymes.

Accepted Answer

A) True 
 B)False

Stomach acid is neutralized

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

Match hormone with action. a.gastrin b.secretin c.CCK d.glucose-dependent insulinotropic peptide e.histamine -Induces bicarbonate secretion

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code . a.bile salts b.pepsin(ogen) c.amylase d.lipase e.trypsin(ogen) -Important in emulsification

If peristalsis in the esophagus is insufficient to carry a large bolus to the stomach,

The most important stimulus for contraction of the gallbladder is

In general, sympathetic stimulation is excitatory to digestive activity.

Salivary secretion is

Lipids are

The _________________ function as nurseries for epithelial cells that continually slough off of the small intestine's mucosa.

Upon arrival of a new meal in the stomach, the gastrocolic reflex pushes the colonic contents into the rectum, triggering the defecation reflex to eliminate the remains of a preceding meal.

The outer muscle layer of the digestive tract consists of circular smooth muscle.

Match hormone with action. a.gastrin b.secretin c.CCK d.glucose-dependent insulinotropic peptide e.histamine -Relaxes ileocecal sphincter

After pepsinogen is activated, it

The presence of ____________________ in the stomach is the main stimulus to enhance gastric secretion.

Identify the true statement(s) about peptic ulcers.

The strength of stomach contractions, which, in turn, affects the rate of gastric emptying, increases as the volume of chyme in the stomach increases.

Peristaltic waves always occur in the stomach at a rate of three contractions per minute, keeping pace with the BER.

Colonic secretion contains no digestive enzymes.

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

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Exam 16: The Digestive System

Stomach acid is neutralized

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

Match hormone with action. a.gastrin b.secretin c.CCK d.glucose-dependent insulinotropic peptide e.histamine -Induces bicarbonate secretion

Indicate which digestive secretion is being described in each question by writing the appropriate letter in the blank using the following answer code . a.bile salts b.pepsin(ogen) c.amylase d.lipase e.trypsin(ogen) -Important in emulsification

If peristalsis in the esophagus is insufficient to carry a large bolus to the stomach,

The most important stimulus for contraction of the gallbladder is

In general, sympathetic stimulation is excitatory to digestive activity.

Salivary secretion is

Lipids are

The _________________ function as nurseries for epithelial cells that continually slough off of the small intestine's mucosa.

Upon arrival of a new meal in the stomach, the gastrocolic reflex pushes the colonic contents into the rectum, triggering the defecation reflex to eliminate the remains of a preceding meal.

The outer muscle layer of the digestive tract consists of circular smooth muscle.

Match hormone with action. a.gastrin b.secretin c.CCK d.glucose-dependent insulinotropic peptide e.histamine -Relaxes ileocecal sphincter

After pepsinogen is activated, it

The presence of ____________________ in the stomach is the main stimulus to enhance gastric secretion.

Identify the true statement(s) about peptic ulcers.

The strength of stomach contractions, which, in turn, affects the rate of gastric emptying, increases as the volume of chyme in the stomach increases.

Peristaltic waves always occur in the stomach at a rate of three contractions per minute, keeping pace with the BER.

Colonic secretion contains no digestive enzymes.

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