Question 1

Chylomicrons are large, coated droplets of ____________________.

Accepted Answer

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

Question 2

During the oropharyngeal phase of swallowing, how is food prevented from entering the other openings that communicate with the pharynx?

Accepted Answer

A) by elevation of the uvula, which lodges against the back of the throat 
B) by closure of the nasopharyngeal sphincter 
C)  by the epiglottis blocking the opening between the vocal cords 
D)  by elevation of the larynx and closure of the vocal folds across the laryngeal opening 
A) by elevation of the uvula, which lodges against the back of the throat 
B) by closure of the nasopharyngeal sphincter 
C)  by the epiglottis blocking the opening between the vocal cords 
D)  by elevation of the larynx and closure of the vocal folds across the laryngeal opening

Question 3

Match the stimuli, labelled a. through d., with the descriptions. (Options may be used more than once or not at all.)
a.fat in the duodenum
b.acid in the duodenum
c.acid in the stomach
d.protein in the stomach
-stimulates secretion of CCK

Accepted Answer

The answer of Match the stimuli, labelled a. through d.,...

Question 4

The large intestine consists of the duodenum, jejunum, and ileum.

Accepted Answer

A) True 
 B)False

Question 5

Which of these statements does NOT concern segmentation in the small intestine?

Accepted Answer

A) It is the primary means of motility in the small intestine during digestion of a meal. 
B) It is both mixing and propulsive. 
C)  It refers to sequential ring-like contractions that sweep downward, creating a stripping motion that pushes chyme forward. 
D)  It occurs at regular intervals. 
A) It is the primary means of motility in the small intestine during digestion of a meal. 
B) It is both mixing and propulsive. 
C)  It refers to sequential ring-like contractions that sweep downward, creating a stripping motion that pushes chyme forward. 
D)  It occurs at regular intervals.

Question 6

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
-secreted by the pyloric gland area

Accepted Answer

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

Question 7

Which statement correctly describes the intrinsic nerve plexuses?

Accepted Answer

A) They produce spontaneous depolarization of the smooth muscle cells in the wall of the digestive tract. 
B) They coordinate local activity in the digestive tract. 
C)  They are located in the mucosa. 
D)  They are located in the brain stem. 
A) They produce spontaneous depolarization of the smooth muscle cells in the wall of the digestive tract. 
B) They coordinate local activity in the digestive tract. 
C)  They are located in the mucosa. 
D)  They are located in the brain stem.

Question 8

The primary factor responsible for forward propulsion of chyme through the small intestine is mass movements.

Accepted Answer

A) True 
 B)False

Question 9

The contents of the digestive tract are technically outside the body.

Accepted Answer

A) True 
 B)False

Question 10

Which of these statements does NOT pertain to digestive motility?

Accepted Answer

A) It is accomplished by smooth muscle contractions. 
B) It is accomplished by smooth and voluntary muscle contractions. 
C)  It may be propulsive in nature. 
A) It is accomplished by smooth muscle contractions. 
B) It is accomplished by smooth and voluntary muscle contractions. 
C)  It may be propulsive in nature.

Question 11

_____________________ contractions are responsible for mixing the colonic contents, whereas ___________________ periodically propel the contents long distances.

Accepted Answer

Haustral;

Question 12

About 9500 mL of fluid is absorbed from the digestive tract daily. What is the ultimate source of most of this fluid?

Accepted Answer

A) food and fluid ingested during meals 
B) secretory cells of the digestive tract 
C)  plasma 
D)  accessory digestive organs 
A) food and fluid ingested during meals 
B) secretory cells of the digestive tract 
C)  plasma 
D)  accessory digestive organs

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

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
-secreted by the small intestine mucosa

Accepted Answer

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

Question 15

Venous flow into the liver is via the _________________.

Accepted Answer

A) hepatic vein 
B) hepatic portal system 
C)  sinusoidal system 
D)  mesenteric system 
A) hepatic vein 
B) hepatic portal system 
C)  sinusoidal system 
D)  mesenteric system

Question 16

Match the digestive enzymes, labelled a. through d., with their correct characteristics.
a.amylase
b.trypsin
c.chymotrypsin
d.lipase
-activation initiated by enterokinase

Accepted Answer

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

Question 17

The parietal cells secrete both pepsinogen and intrinsic factor.

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

Which of the following factors does NOT slow gastric activities?

Accepted Answer

A) enterogastric reflex 
B) enterogastrone 
C)  secretin 
D)  gastrin 
A) enterogastric reflex 
B) enterogastrone 
C)  secretin 
D)  gastrin

Question 20

Salivary amylase and the pancreatic enzymes are inactivated by acid.

Accepted Answer

A) True 
 B)False

Chylomicrons are large, coated droplets of ____________________.

During the oropharyngeal phase of swallowing, how is food prevented from entering the other openings that communicate with the pharynx?

Match the stimuli, labelled a. through d., with the descriptions. (Options may be used more than once or not at all.) a.fat in the duodenum b.acid in the duodenum c.acid in the stomach d.protein in the stomach -stimulates secretion of CCK

The large intestine consists of the duodenum, jejunum, and ileum.

Which of these statements does NOT concern segmentation in the small intestine?

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 -secreted by the pyloric gland area

Which statement correctly describes the intrinsic nerve plexuses?

The primary factor responsible for forward propulsion of chyme through the small intestine is mass movements.

The contents of the digestive tract are technically outside the body.

Which of these statements does NOT pertain to digestive motility?

___ contractions are responsible for mixing the colonic contents, whereas _ periodically propel the contents long distances.

About 9500 mL of fluid is absorbed from the digestive tract daily. What is the ultimate source of most of this fluid?

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

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 -secreted by the small intestine mucosa

Venous flow into the liver is via the _________________.

Match the digestive enzymes, labelled a. through d., with their correct characteristics. a.amylase b.trypsin c.chymotrypsin d.lipase -activation initiated by enterokinase

The parietal cells secrete both pepsinogen and intrinsic factor.

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

Which of the following factors does NOT slow gastric activities?

Salivary amylase and the pancreatic enzymes are inactivated by acid.

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

Chylomicrons are large, coated droplets of ____________________.

During the oropharyngeal phase of swallowing, how is food prevented from entering the other openings that communicate with the pharynx?

Match the stimuli, labelled a. through d., with the descriptions. (Options may be used more than once or not at all.) a.fat in the duodenum b.acid in the duodenum c.acid in the stomach d.protein in the stomach -stimulates secretion of CCK

The large intestine consists of the duodenum, jejunum, and ileum.

Which of these statements does NOT concern segmentation in the small intestine?

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 -secreted by the pyloric gland area

Which statement correctly describes the intrinsic nerve plexuses?

The primary factor responsible for forward propulsion of chyme through the small intestine is mass movements.

The contents of the digestive tract are technically outside the body.

Which of these statements does NOT pertain to digestive motility?

_____________________ contractions are responsible for mixing the colonic contents, whereas ___________________ periodically propel the contents long distances.

About 9500 mL of fluid is absorbed from the digestive tract daily. What is the ultimate source of most of this fluid?

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

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 -secreted by the small intestine mucosa

Venous flow into the liver is via the _________________.

Match the digestive enzymes, labelled a. through d., with their correct characteristics. a.amylase b.trypsin c.chymotrypsin d.lipase -activation initiated by enterokinase

The parietal cells secrete both pepsinogen and intrinsic factor.

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

Which of the following factors does NOT slow gastric activities?

Salivary amylase and the pancreatic enzymes are inactivated by acid.

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

___ contractions are responsible for mixing the colonic contents, whereas _ periodically propel the contents long distances.