Question 1

Mixing movements

Accepted Answer

A) promote digestion by mixing food with digestive juices 
B) facilitate absorption by exposing luminal contents to absorptive surfaces 
C) take place only in the stomach 
D) do both a and b 
E) are all of the above 
A) promote digestion by mixing food with digestive juices 
B) facilitate absorption by exposing luminal contents to absorptive surfaces 
C) take place only in the stomach 
D) do both a and b 
E) are all of the above

Question 2

Bile is secreted by the liver and is stored in the gallbladder.

Accepted Answer

A) True 
 B)False

Question 3

There are __________ pairs of ___________ glands, which have ducts emptying into the mouth.

Accepted Answer

The answer of There are __________ pairs of ___________ glands,...

Question 4

Segmentation is

Accepted Answer

A) the primary motility in the small intestine during digestion of a meal 
B) both mixing and propulsive 
C) sequential ring-like contractions that sweep downward, creating a stripping motion that pushes the chyme forward 
D) a and b 
E) all of the above 
A) the primary motility in the small intestine during digestion of a meal 
B) both mixing and propulsive 
C) sequential ring-like contractions that sweep downward, creating a stripping motion that pushes the chyme forward 
D) a and b 
E) all of the above

Question 5

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) are the result of smooth muscle contractions 
E) have all of the above characteristics 
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) are the result of smooth muscle contractions 
E) have all of the above characteristics

Question 6

Gastric storage takes place in the ____________________ (what part?) of the stomach, whereas gastric mixing takes place in the ____________________.

Accepted Answer

The answer of Gastric storage takes place in the ____________________...

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
-Pancreatic acinar cell

Accepted Answer

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

Question 8

Chylomicrons are large, coated droplets of ____________________.

Accepted Answer

The answer of Chylomicrons are large, coated droplets of ____________________....

Question 9

The hormone secretin is released by endocrine cells in the duodenal mucosa in response to

Accepted Answer

A) distention of the stomach 
B) carbohydrate in the duodenum 
C) acid in the duodenum 
D) gastrin secreted by the pyloric gland area of the stomach 
E) none of the above 
A) distention of the stomach 
B) carbohydrate in the duodenum 
C) acid in the duodenum 
D) gastrin secreted by the pyloric gland area of the stomach 
E) none of the above

Question 10

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)
-Gastric enzyme that digests protein

Accepted Answer

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

Question 11

Swallowing is

Accepted Answer

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

Question 12

Parasympathetic stimulation of the salivary glands produces a large volume of watery saliva high in enzyme concentration.

Accepted Answer

A) True 
 B)False

Question 13

Respiration is inhibited throughout the entire time that swallowing is taking place.

Accepted Answer

A) True 
 B)False

Question 14

Intrinsic factor is necessary for the absorption of vitamin B₁₂.

Accepted Answer

A) True 
 B)False

Question 15

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code.
a.secretin and CCK
b.secretin
c.CCK
d.gastrin
-Stimulate(s) gastric secretion

Accepted Answer

The answer of Indicate which hormone(s) is being described by...

Question 16

Which statement is incorrect?

Accepted Answer

A) The myenteric plexus is located in the submucosa. 
B) The intrinsic plexuses innervate smooth muscle and exocrine and endocrine glands. 
C) The plexuses are influenced by extrinsic nerves. 
D) The plexuses coordinate local digestive tract activity. 
E) There are two major networks of nerve fibers forming the plexuses of the gut. 
A) The myenteric plexus is located in the submucosa. 
B) The intrinsic plexuses innervate smooth muscle and exocrine and endocrine glands. 
C) The plexuses are influenced by extrinsic nerves. 
D) The plexuses coordinate local digestive tract activity. 
E) There are two major networks of nerve fibers forming the plexuses of the gut.

Question 17

The main function of the ileocecal valve/sphincter is to prevent small intestinal contents from entering the large intestine before digestion of food is completed.

Accepted Answer

A) True 
 B)False

Question 18

The three structural modifications of the small intestine mucosa that greatly increase the surface area available for absorption are ________________, ________________, and _______________.

Accepted Answer

CIRCULAR F

Question 19

Glucose and galactose, along with sodium ions, enter the small intestine's epithelial cells through a symporter, abbreviated with the letters _________.

Accepted Answer

The answer of Glucose and galactose, along with sodium ions,...

Question 20

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)
-Activated by HCl

Accepted Answer

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

Mixing movements

Bile is secreted by the liver and is stored in the gallbladder.

There are pairs of _ glands, which have ducts emptying into the mouth.

Segmentation is

Peristaltic antral contractions

Gastric storage takes place in the (what part?) of the stomach, whereas gastric mixing takes place in the .

Chylomicrons are large, coated droplets of ____________________.

The hormone secretin is released by endocrine cells in the duodenal mucosa in response to

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) -Gastric enzyme that digests protein

Swallowing is

Parasympathetic stimulation of the salivary glands produces a large volume of watery saliva high in enzyme concentration.

Respiration is inhibited throughout the entire time that swallowing is taking place.

Intrinsic factor is necessary for the absorption of vitamin B₁₂.

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code. a.secretin and CCK b.secretin c.CCK d.gastrin -Stimulate(s) gastric secretion

Which statement is incorrect?

The main function of the ileocecal valve/sphincter is to prevent small intestinal contents from entering the large intestine before digestion of food is completed.

The three structural modifications of the small intestine mucosa that greatly increase the surface area available for absorption are __, , and _.

Glucose and galactose, along with sodium ions, enter the small intestine's epithelial cells through a symporter, abbreviated with the letters _________.

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) -Activated by HCl

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

Mixing movements

Bile is secreted by the liver and is stored in the gallbladder.

There are __________ pairs of ___________ glands, which have ducts emptying into the mouth.

Segmentation is

Peristaltic antral contractions

Gastric storage takes place in the ____________________ (what part?) of the stomach, whereas gastric mixing takes place in the ____________________.

Chylomicrons are large, coated droplets of ____________________.

The hormone secretin is released by endocrine cells in the duodenal mucosa in response to

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) -Gastric enzyme that digests protein

Swallowing is

Parasympathetic stimulation of the salivary glands produces a large volume of watery saliva high in enzyme concentration.

Respiration is inhibited throughout the entire time that swallowing is taking place.

Intrinsic factor is necessary for the absorption of vitamin B₁₂.

Indicate which hormone(s) is being described by writing the appropriate letter in the blank using the following answer code. a.secretin and CCK b.secretin c.CCK d.gastrin -Stimulate(s) gastric secretion

Which statement is incorrect?

The main function of the ileocecal valve/sphincter is to prevent small intestinal contents from entering the large intestine before digestion of food is completed.

The three structural modifications of the small intestine mucosa that greatly increase the surface area available for absorption are ________________, ________________, and _______________.

Glucose and galactose, along with sodium ions, enter the small intestine's epithelial cells through a symporter, abbreviated with the letters _________.

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) -Activated by HCl

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

There are pairs of _ glands, which have ducts emptying into the mouth.

Gastric storage takes place in the (what part?) of the stomach, whereas gastric mixing takes place in the .

The three structural modifications of the small intestine mucosa that greatly increase the surface area available for absorption are __, , and _.