Question 1

The most potent stimulus for inhibiting gastric motility and emptying is ____________________.

Accepted Answer

fat in the

Question 2

Match the hormone(s), labelled a. through d., to the descriptions. (Options may be used more than once or not at all.)
-stimulated primarily by the presence of protein

Accepted Answer

A) both secretin and CCK 
B) secretin 
C) CCK 
D) gastrin 
A) both secretin and CCK 
B) secretin 
C) CCK 
D) gastrin

Question 3

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

Accepted Answer

cholecystokinin; gas

Question 4

Most of the digestive secretions do not remain in the fecal material.

Accepted Answer

A) True 
 B)False

Question 5

Which of these substances is a product from the chemical breakdown of starch

Accepted Answer

A) amino acid 
B) glucose 
C) monoglyceride 
D) bile salt 
A) amino acid 
B) glucose 
C) monoglyceride 
D) bile salt

Question 6

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 7

Where is digestion completed

Accepted Answer

A) stomach 
B) on the brush borders of the small intestine epithelial cells 
C) small intestine lumen 
D) colon 
A) stomach 
B) on the brush borders of the small intestine epithelial cells 
C) small intestine lumen 
D) colon

Question 8

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 9

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 10

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 11

As food leaves the stomach, gastric secretion is reduced.Which of these factors does NOT contribute to this reduction

Accepted Answer

A) fat in the duodenum 
B) low gastric pH 
C) distention of the duodenum 
D) pepsinogen in the duodenum 
A) fat in the duodenum 
B) low gastric pH 
C) distention of the duodenum 
D) pepsinogen in the duodenum

Question 12

In cirrhosis, damaged hepatocytes are permanently replaced by an overgrowth of connective tissue.

Accepted Answer

A) True 
 B)False

Question 13

The principal clinical manifestation of pancreatic exocrine insufficiency is incomplete protein digestion resulting from deficiency of the powerful pancreatic proteolytic enzymes.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is NOT a function of saliva

Accepted Answer

A) to facilitate swallowing 
B) to serve as a solvent for molecules that stimulate taste buds 
C) to dissolve glucose to facilitate its absorption by the oral mucosa 
D) to take antibacterial action 
A) to facilitate swallowing 
B) to serve as a solvent for molecules that stimulate taste buds 
C) to dissolve glucose to facilitate its absorption by the oral mucosa 
D) to take antibacterial action

Question 15

Vomiting is caused by reverse peristalsis.

Accepted Answer

A) True 
 B)False

Question 16

Which of these statements describes chymotrypsinogen

Accepted Answer

A) It is activated by enterokinase. 
B) Once activated, it is involved in protein digestion. 
C) It is secreted by the endocrine pancreas. 
D) It hydrolyzes starches and glycogen. 
A) It is activated by enterokinase. 
B) Once activated, it is involved in protein digestion. 
C) It is secreted by the endocrine pancreas. 
D) It hydrolyzes starches and glycogen.

Question 17

Gastric secretion does not begin until the arrival of food in the stomach.

Accepted Answer

A) True 
 B)False

Question 18

The four basic digestive processes are ____________________, ____________________, ____________________, and ____________________.

Accepted Answer

motility; secretion;

Question 19

Match the control mechanisms, labelled a. through d., with the characteristics. (Options may be used more than once or not at all.)
-travel via the blood to alter digestive motility and secretion

Accepted Answer

A) autonomous smooth muscle function 
B) extrinsic (autonomic) nerves 
C) hormones 
D) intrinsic nerve plexuses 
A) autonomous smooth muscle function 
B) extrinsic (autonomic) nerves 
C) hormones 
D) intrinsic nerve plexuses

Question 20

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

Accepted Answer

A) True 
 B)False

The most potent stimulus for inhibiting gastric motility and emptying is ____________________.

Match the hormone(s), labelled a. through d., to the descriptions. (Options may be used more than once or not at all.) -stimulated primarily by the presence of protein

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

Most of the digestive secretions do not remain in the fecal material.

Which of these substances is a product from the chemical breakdown of starch

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

Where is digestion completed

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

Gastric storage takes place in the [what part ] of the stomach, whereas gastric mixing takes place in the .

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

As food leaves the stomach, gastric secretion is reduced.Which of these factors does NOT contribute to this reduction

In cirrhosis, damaged hepatocytes are permanently replaced by an overgrowth of connective tissue.

The principal clinical manifestation of pancreatic exocrine insufficiency is incomplete protein digestion resulting from deficiency of the powerful pancreatic proteolytic enzymes.

Which of the following is NOT a function of saliva

Vomiting is caused by reverse peristalsis.

Which of these statements describes chymotrypsinogen

Gastric secretion does not begin until the arrival of food in the stomach.

The four basic digestive processes are , , , and .

Match the control mechanisms, labelled a. through d., with the characteristics. (Options may be used more than once or not at all.) -travel via the blood to alter digestive motility and secretion

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

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

Principles of Endocrinology: The Central Endocrine Glands

The Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

Energy Balance and Temperature Regulation

The Reproductive System

Filters

Exam 15: The Digestive System

The most potent stimulus for inhibiting gastric motility and emptying is ____________________.

Match the hormone(s), labelled a. through d., to the descriptions. (Options may be used more than once or not at all.) -stimulated primarily by the presence of protein

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

Most of the digestive secretions do not remain in the fecal material.

Which of these substances is a product from the chemical breakdown of starch

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

Where is digestion completed

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

Gastric storage takes place in the ____________________ [what part ] of the stomach, whereas gastric mixing takes place in the ____________________.

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

As food leaves the stomach, gastric secretion is reduced.Which of these factors does NOT contribute to this reduction

In cirrhosis, damaged hepatocytes are permanently replaced by an overgrowth of connective tissue.

The principal clinical manifestation of pancreatic exocrine insufficiency is incomplete protein digestion resulting from deficiency of the powerful pancreatic proteolytic enzymes.

Which of the following is NOT a function of saliva

Vomiting is caused by reverse peristalsis.

Which of these statements describes chymotrypsinogen

Gastric secretion does not begin until the arrival of food in the stomach.

The four basic digestive processes are ____________________, ____________________, ____________________, and ____________________.

Match the control mechanisms, labelled a. through d., with the characteristics. (Options may be used more than once or not at all.) -travel via the blood to alter digestive motility and secretion

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

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

Principles of Endocrinology: The Central Endocrine Glands

The Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

Energy Balance and Temperature Regulation

The Reproductive System

Filters

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

Gastric storage takes place in the [what part ] of the stomach, whereas gastric mixing takes place in the .

The four basic digestive processes are , , , and .