Question 1

The intrinsic nerve plexuses innervate smooth muscle and exocrine gland cells, but do not influence endocrine gland cells within the digestive system.

Accepted Answer

A) True 
 B)False

Question 2

Which of these substances is NOT a component of pancreatic juice

Accepted Answer

A) amylase 
B) gastrin 
C) chymotrypsinogen 
D) trypsinogen 
A) amylase 
B) gastrin 
C) chymotrypsinogen 
D) trypsinogen

Question 3

Match the stimuli, labelled a. through d., with the descriptions. (Options may be used more than once or not at all.)
-stimulates secretion of secretin

Accepted Answer

A) fat in the duodenum 
B) acid in the duodenum 
C) acid in the stomach 
D) protein in the stomach 
A) fat in the duodenum 
B) acid in the duodenum 
C) acid in the stomach 
D) protein in the stomach

Question 4

How does chemical digestion of proteins occur

Accepted Answer

Chemical digestion of proteins is a comp

Question 5

What causes the typical coloration of the feces

Accepted Answer

A) bile salts 
B) undigested cellulose 
C) aqueous NaHCO₃ secretion 
D) bilirubin 
A) bile salts 
B) undigested cellulose 
C) aqueous NaHCO₃ secretion 
D) bilirubin

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

There is continuous salivary secretion due to constant low-level stimulation by the parasympathetic nerve endings within the salivary glands.

Accepted Answer

A) True 
 B)False

Question 8

Indicate the site, labelled a. through e., at which digestion of each of the three main categories of foodstuffs commences and is completed. (Options may be used more than once or not at all.)
-fat digestion is completed

Accepted Answer

A) mouth 
B) stomach 
C) small intestine lumen 
D) intracellularly in the small intestine brush border 
E) colon 
A) mouth 
B) stomach 
C) small intestine lumen 
D) intracellularly in the small intestine brush border 
E) colon

Question 9

Excessive small intestinal motility can lead to constipation because there is less time for absorption to take place.

Accepted Answer

A) True 
 B)False

Question 10

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

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 11

Where is the primary site of absorption in the digestive system

Accepted Answer

A) stomach 
B) small intestine 
C) colon 
D) oesophagus 
A) stomach 
B) small intestine 
C) colon 
D) oesophagus

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is the most potent choleretic

Accepted Answer

A) vagal stimulation 
B) bile salt 
C) CCK 
D) secretin 
A) vagal stimulation 
B) bile salt 
C) CCK 
D) secretin

Question 14

Factors in the duodenum influence the rate of gastric emptying.

Accepted Answer

A) True 
 B)False

Question 15

Deglutition refers to the process of chewing.

Accepted Answer

A) True 
 B)False

Question 16

In general, the parasympathetic nervous system is ____________________ [excitatory or inhibitory] to the digestive tract, whereas the sympathetic nervous system is ____________________ [excitatory or inhibitory].

Accepted Answer

excitatory

Question 17

Protein digestion begins in the stomach under the influence of pepsinogen, continues in the duodenal lumen under the influence of pancreatic proteolytic enzymes, and is completed intracellularly in the small intestinal brush border.

Accepted Answer

A) True 
 B)False

Question 18

Swallowing propels a bolus of food from the mouth through the pharynx and oesophagus and into the stomach via a complex, sequential, multiple-response reflex.

Accepted Answer

A) True 
 B)False

Question 19

Match the gastric cell types, labelled a. through d., with the correct characteristics. (Options may be used more than once or not at all.)
-secrete HCl

Accepted Answer

A) chief cells 
B) parietal cells 
C) mucous cells 
D) G cells of PGA 
A) chief cells 
B) parietal cells 
C) mucous cells 
D) G cells of PGA

Question 20

Match the control mechanisms, labelled a. through d., with the characteristics. (Options may be used more than once or not at all.)
-coordinate activity between different regions of the digestive tract

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

The intrinsic nerve plexuses innervate smooth muscle and exocrine gland cells, but do not influence endocrine gland cells within the digestive system.

Which of these substances is NOT a component of pancreatic juice

Match the stimuli, labelled a. through d., with the descriptions. (Options may be used more than once or not at all.) -stimulates secretion of secretin

How does chemical digestion of proteins occur

What causes the typical coloration of the feces

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

There is continuous salivary secretion due to constant low-level stimulation by the parasympathetic nerve endings within the salivary glands.

Indicate the site, labelled a. through e., at which digestion of each of the three main categories of foodstuffs commences and is completed. (Options may be used more than once or not at all.) -fat digestion is completed

Excessive small intestinal motility can lead to constipation because there is less time for absorption to take place.

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

Where is the primary site of absorption in the digestive system

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

Which of the following is the most potent choleretic

Factors in the duodenum influence the rate of gastric emptying.

Deglutition refers to the process of chewing.

In general, the parasympathetic nervous system is [excitatory or inhibitory] to the digestive tract, whereas the sympathetic nervous system is [excitatory or inhibitory].

Protein digestion begins in the stomach under the influence of pepsinogen, continues in the duodenal lumen under the influence of pancreatic proteolytic enzymes, and is completed intracellularly in the small intestinal brush border.

Swallowing propels a bolus of food from the mouth through the pharynx and oesophagus and into the stomach via a complex, sequential, multiple-response reflex.

Match the gastric cell types, labelled a. through d., with the correct characteristics. (Options may be used more than once or not at all.) -secrete HCl

Match the control mechanisms, labelled a. through d., with the characteristics. (Options may be used more than once or not at all.) -coordinate activity between different regions of the digestive tract

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 intrinsic nerve plexuses innervate smooth muscle and exocrine gland cells, but do not influence endocrine gland cells within the digestive system.

Which of these substances is NOT a component of pancreatic juice

Match the stimuli, labelled a. through d., with the descriptions. (Options may be used more than once or not at all.) -stimulates secretion of secretin

How does chemical digestion of proteins occur

What causes the typical coloration of the feces

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

There is continuous salivary secretion due to constant low-level stimulation by the parasympathetic nerve endings within the salivary glands.

Indicate the site, labelled a. through e., at which digestion of each of the three main categories of foodstuffs commences and is completed. (Options may be used more than once or not at all.) -fat digestion is completed

Excessive small intestinal motility can lead to constipation because there is less time for absorption to take place.

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

Where is the primary site of absorption in the digestive system

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

Which of the following is the most potent choleretic

Factors in the duodenum influence the rate of gastric emptying.

Deglutition refers to the process of chewing.

In general, the parasympathetic nervous system is ____________________ [excitatory or inhibitory] to the digestive tract, whereas the sympathetic nervous system is ____________________ [excitatory or inhibitory].

Protein digestion begins in the stomach under the influence of pepsinogen, continues in the duodenal lumen under the influence of pancreatic proteolytic enzymes, and is completed intracellularly in the small intestinal brush border.

Swallowing propels a bolus of food from the mouth through the pharynx and oesophagus and into the stomach via a complex, sequential, multiple-response reflex.

Match the gastric cell types, labelled a. through d., with the correct characteristics. (Options may be used more than once or not at all.) -secrete HCl

Match the control mechanisms, labelled a. through d., with the characteristics. (Options may be used more than once or not at all.) -coordinate activity between different regions of the digestive tract

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

In general, the parasympathetic nervous system is [excitatory or inhibitory] to the digestive tract, whereas the sympathetic nervous system is [excitatory or inhibitory].