Question 1

What is the intestinal feature responsible for increasing the absorptive surface area the most?

Accepted Answer

A) circular folds 
B) villi 
C)  microvilli 
D)  crypts 
A) circular folds 
B) villi 
C)  microvilli 
D)  crypts

Question 2

Which of these statements does NOT describe stomach acid?

Accepted Answer

A) It is neutralized in the duodenum. 
B) It is neutralized with bicarbonate. 
C)  It is neutralized by solutions secreted by the G cells. 
D)  It activates pepsinogen enzymes. 
A) It is neutralized in the duodenum. 
B) It is neutralized with bicarbonate. 
C)  It is neutralized by solutions secreted by the G cells. 
D)  It activates pepsinogen enzymes.

Question 3

What are the various outcomes with respect to the other digestive organs when the stomach distends?

Accepted Answer

The answer of What are the various outcomes with respect...

Question 4

Which of these organs is NOT a digestive tract organ?

Accepted Answer

A) esophagus 
B) stomach 
C)  pancreas 
D)  small intestine 
A) esophagus 
B) stomach 
C)  pancreas 
D)  small intestine

Question 5

The islets of ____________________ are the endocrine cells of the pancreas.

Accepted Answer

The answer of The islets of ____________________ are the endocrine...

Question 6

The epiglottis opens the glottis during the swallowing reflex.

Accepted Answer

A) True 
 B)False

Question 7

Why is the gastroesophageal sphincter normally closed?

Accepted Answer

A) to prevent air from entering the esophagus during breathing 
B) to prevent gastric contents from refluxing into the esophagus 
C)  to prevent vomiting 
D)  to prevent esophageal secretions leaking into the stomach 
A) to prevent air from entering the esophagus during breathing 
B) to prevent gastric contents from refluxing into the esophagus 
C)  to prevent vomiting 
D)  to prevent esophageal secretions leaking into the stomach

Question 8

Match the descriptions, labelled a. through l., with the items listed.
a.secretes NaHCOS1U1B13S1U1B0
b.enzyme for protein digestion secreted by pancreas
c.activates 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
-pancreatic acinar cell

Accepted Answer

The answer of Match the descriptions, labelled a. through l.,...

Question 9

What is the major stimulus for secretion of secretin?

Accepted Answer

A) the sight and aroma of food 
B) entry of a bolus into the esophagus 
C)  distension of the stomach 
D)  entry of acid chyme into the small intestine 
A) the sight and aroma of food 
B) entry of a bolus into the esophagus 
C)  distension of the stomach 
D)  entry of acid chyme into the small intestine

Question 10

Receptive relaxation refers to which of the following?

Accepted Answer

A) relaxation of the pharyngoesophageal sphincter during swallowing 
B) relaxation of the pyloric sphincter when the duodenum is prepared to receive the chyme 
C)  relaxation of the external anal sphincter when the individual is receptive to the defecation reflex 
D)  relaxation of the stomach as it starts to fill, thereby allowing an increase in volume with very little increase in pressure 
A) relaxation of the pharyngoesophageal sphincter during swallowing 
B) relaxation of the pyloric sphincter when the duodenum is prepared to receive the chyme 
C)  relaxation of the external anal sphincter when the individual is receptive to the defecation reflex 
D)  relaxation of the stomach as it starts to fill, thereby allowing an increase in volume with very little increase in pressure

Question 11

The stomach mucosa is thrown into folds known as villi.

Accepted Answer

A) True 
 B)False

Question 12

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

Accepted Answer

cholecystokinin; gas

Question 13

Match the digestive secretions, labelled a. through e., to the descriptions. (Options may be used more than once or not at all.)
a.bile salts
b.pepsin(ogen)
c.amylase
d.lipase
e.trypsin(ogen)
-secreted by the salivary glands

Accepted Answer

The answer of Match the digestive secretions, labelled a. through...

Question 14

Which of the following does NOT happen during the cephalic phase of gastric secretion?

Accepted Answer

A) Thinking about, seeing, smelling, and chewing food reflexively increases gastric secretion. 
B) Vagal stimulation of the gastric glands occurs. 
C)  Secretin is released. 
A) Thinking about, seeing, smelling, and chewing food reflexively increases gastric secretion. 
B) Vagal stimulation of the gastric glands occurs. 
C)  Secretin is released.

Question 15

Which statement does NOT pertain to the intrinsic plexuses?

Accepted Answer

A) The myenteric plexus is located in the submucosa. 
B) The plexuses innervate smooth muscle cells and exocrine and endocrine gland cells. 
C)  The plexuses are influenced by extrinsic nerves. 
D)  The plexuses coordinate local digestive tract activity. 
A) The myenteric plexus is located in the submucosa. 
B) The plexuses innervate smooth muscle cells and exocrine and endocrine gland cells. 
C)  The plexuses are influenced by extrinsic nerves. 
D)  The plexuses coordinate local digestive tract activity.

Question 16

HCl activates pepsinogen.

Accepted Answer

A) True 
 B)False

Question 17

Gastrin is not secreted during the cephalic phase of gastric secretion.

Accepted Answer

A) True 
 B)False

Question 18

The ____________________ is a common passageway for both the digestive and respiratory systems.

Accepted Answer

The answer of The ____________________ is a common passageway for...

Question 19

Match the hormone(s), labelled a. through d., to the descriptions. (Options may be used more than once or not at all.)
a.both secretin and CCK
b.secretin
c.CCK
d.gastrin
-stimulate(s) the pancreatic duct cells

Accepted Answer

The answer of Match the hormone(s), labelled a. through d.,...

Question 20

Match the descriptions, labelled a. through l., with the items listed.
a.secretes NaHCOS1U1B13S1U1B0
b.enzyme for protein digestion secreted by pancreas
c.activates 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 Match the descriptions, labelled a. through l.,...

What is the intestinal feature responsible for increasing the absorptive surface area the most?

Which of these statements does NOT describe stomach acid?

What are the various outcomes with respect to the other digestive organs when the stomach distends?

Which of these organs is NOT a digestive tract organ?

The islets of ____________________ are the endocrine cells of the pancreas.

The epiglottis opens the glottis during the swallowing reflex.

Why is the gastroesophageal sphincter normally closed?

What is the major stimulus for secretion of secretin?

Receptive relaxation refers to which of the following?

The stomach mucosa is thrown into folds known as villi.

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

Match the digestive secretions, labelled a. through e., to the descriptions. (Options may be used more than once or not at all.) a.bile salts b.pepsin(ogen) c.amylase d.lipase e.trypsin(ogen) -secreted by the salivary glands

Which of the following does NOT happen during the cephalic phase of gastric secretion?

Which statement does NOT pertain to the intrinsic plexuses?

HCl activates pepsinogen.

Gastrin is not secreted during the cephalic phase of gastric secretion.

The ____________________ is a common passageway for both the digestive and respiratory systems.

Match the hormone(s), labelled a. through d., to the descriptions. (Options may be used more than once or not at all.) a.both secretin and CCK b.secretin c.CCK d.gastrin -stimulate(s) the pancreatic duct cells

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

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

Filters

Exam 14: The Urinary System

What is the intestinal feature responsible for increasing the absorptive surface area the most?

Which of these statements does NOT describe stomach acid?

What are the various outcomes with respect to the other digestive organs when the stomach distends?

Which of these organs is NOT a digestive tract organ?

The islets of ____________________ are the endocrine cells of the pancreas.

The epiglottis opens the glottis during the swallowing reflex.

Why is the gastroesophageal sphincter normally closed?

What is the major stimulus for secretion of secretin?

Receptive relaxation refers to which of the following?

The stomach mucosa is thrown into folds known as villi.

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

Match the digestive secretions, labelled a. through e., to the descriptions. (Options may be used more than once or not at all.) a.bile salts b.pepsin(ogen) c.amylase d.lipase e.trypsin(ogen) -secreted by the salivary glands

Which of the following does NOT happen during the cephalic phase of gastric secretion?

Which statement does NOT pertain to the intrinsic plexuses?

HCl activates pepsinogen.

Gastrin is not secreted during the cephalic phase of gastric secretion.

The ____________________ is a common passageway for both the digestive and respiratory systems.

Match the hormone(s), labelled a. through d., to the descriptions. (Options may be used more than once or not at all.) a.both secretin and CCK b.secretin c.CCK d.gastrin -stimulate(s) the pancreatic duct cells

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

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

Filters

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