Question 1

The primary factor governing the rate of gastric emptying is the volume of the gastric contents.

Accepted Answer

A) True 
 B)False  False

Question 2

Which one of these compounds is NOT included in gastric secretions

Accepted Answer

A) enzymes 
B) bile 
C) mucus 
D) HCl 
A) enzymes 
B) bile 
C) mucus 
D) HCl B

Question 3

Secretin stimulates the pancreatic ____________________ cells to secrete ____________________, whereas CCK stimulates the pancreatic ____________________ cells to secrete ____________________.

Accepted Answer

duct; aqueous alkaline fluid; acinar; digestive enzymes

Question 4

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

Accepted Answer

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

Question 5

Which statement does NOT apply to alcohol

Accepted Answer

A) It stimulates gastric secretion. 
B) It can be absorbed more rapidly from the small intestine than from the stomach. 
C) It inhibits gastric emptying through the enterogastric reflex. 
D) It is lipid soluble. 
A) It stimulates gastric secretion. 
B) It can be absorbed more rapidly from the small intestine than from the stomach. 
C) It inhibits gastric emptying through the enterogastric reflex. 
D) It is lipid soluble.

Question 6

Salivary amylase and the pancreatic enzymes are inactivated by acid.

Accepted Answer

A) True 
 B)False

Question 7

Which of these factors does NOT affect gastric motility or emptying

Accepted Answer

A) increased fluidity 
B) presence of acid and fat in the stomach 
C) increased gastric volume 
D) vagal activity 
A) increased fluidity 
B) presence of acid and fat in the stomach 
C) increased gastric volume 
D) vagal activity

Question 8

The parotid glands are one of three pairs of ____________________ glands.

Accepted Answer

The answer of The parotid glands are one of three...

Question 9

Which of these factors will NOT influence the rate at which a meal will empty from the stomach

Accepted Answer

A) fat in the duodenum 
B) acid in the duodenum 
C) caffeine in the duodenum 
D) hypertonicity of the duodenal contents 
A) fat in the duodenum 
B) acid in the duodenum 
C) caffeine in the duodenum 
D) hypertonicity of the duodenal contents

Question 10

Glucagon is produced by the liver.

Accepted Answer

A) True 
 B)False

Question 11

As the gastric pH falls very low, the pyloric gland area is inhibited.

Accepted Answer

A) True 
 B)False

Question 12

What is the primary factor responsible for moving chyme forward in the small intestine

Accepted Answer

A) mass movement 
B) a gradient in the frequency of segmentation along the length of the small intestine 
C) migrating motility complex 
D) sequential ringlike contractions that move progressively forward along the length of the small intestine in a stripping motion, pushing the chyme ahead of the contraction 
A) mass movement 
B) a gradient in the frequency of segmentation along the length of the small intestine 
C) migrating motility complex 
D) sequential ringlike contractions that move progressively forward along the length of the small intestine in a stripping motion, pushing the chyme ahead of the contraction

Question 13

Which of the following is NOT the function of aqueous NaHCO₃ secreted by the pancreas into the duodenum

Accepted Answer

A) to neutralize acidic gastric contents emptied into the duodenum 
B) to prevent irritation of the duodenal mucosa 
C) to actively digest fat molecules into fatty acids 
D) to optimize the function of pancreatic enzymes 
A) to neutralize acidic gastric contents emptied into the duodenum 
B) to prevent irritation of the duodenal mucosa 
C) to actively digest fat molecules into fatty acids 
D) to optimize the function of pancreatic enzymes

Question 14

Haustral contractions propel the feces one-third to three-quarters the length of the colon in a few seconds.

Accepted Answer

A) True 
 B)False

Question 15

Which of these enzymes is NOT a brush border enzyme

Accepted Answer

A) enterokinase 
B) aminopeptidase 
C) lipase 
D) lactase 
A) enterokinase 
B) aminopeptidase 
C) lipase 
D) lactase

Question 16

Enterogastrones are produced by the stomach.

Accepted Answer

A) True 
 B)False

Question 17

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 gastrin

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 18

Why is the pharyngoesophageal sphincter normally closed

Accepted Answer

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

Question 19

Peristaltic waves occur continuously in the stomach at a rate of three contractions per minute, keeping pace with the BER.

Accepted Answer

A) True 
 B)False

Question 20

The outer muscle layer of the digestive tract consists of circular smooth muscle.

Accepted Answer

A) True 
 B)False

The primary factor governing the rate of gastric emptying is the volume of the gastric contents.

Which one of these compounds is NOT included in gastric secretions

Secretin stimulates the pancreatic cells to secrete , whereas CCK stimulates the pancreatic cells to secrete .

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

Which statement does NOT apply to alcohol

Salivary amylase and the pancreatic enzymes are inactivated by acid.

Which of these factors does NOT affect gastric motility or emptying

The parotid glands are one of three pairs of ____________________ glands.

Which of these factors will NOT influence the rate at which a meal will empty from the stomach

Glucagon is produced by the liver.

As the gastric pH falls very low, the pyloric gland area is inhibited.

What is the primary factor responsible for moving chyme forward in the small intestine

Which of the following is NOT the function of aqueous NaHCO₃ secreted by the pancreas into the duodenum

Haustral contractions propel the feces one-third to three-quarters the length of the colon in a few seconds.

Which of these enzymes is NOT a brush border enzyme

Enterogastrones are produced by the stomach.

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 gastrin

Why is the pharyngoesophageal sphincter normally closed

Peristaltic waves occur continuously in the stomach at a rate of three contractions per minute, keeping pace with the BER.

The outer muscle layer of the digestive tract consists of circular smooth muscle.

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 primary factor governing the rate of gastric emptying is the volume of the gastric contents.

Which one of these compounds is NOT included in gastric secretions

Secretin stimulates the pancreatic ____________________ cells to secrete ____________________, whereas CCK stimulates the pancreatic ____________________ cells to secrete ____________________.

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

Which statement does NOT apply to alcohol

Salivary amylase and the pancreatic enzymes are inactivated by acid.

Which of these factors does NOT affect gastric motility or emptying

The parotid glands are one of three pairs of ____________________ glands.

Which of these factors will NOT influence the rate at which a meal will empty from the stomach

Glucagon is produced by the liver.

As the gastric pH falls very low, the pyloric gland area is inhibited.

What is the primary factor responsible for moving chyme forward in the small intestine

Which of the following is NOT the function of aqueous NaHCO₃ secreted by the pancreas into the duodenum

Haustral contractions propel the feces one-third to three-quarters the length of the colon in a few seconds.

Which of these enzymes is NOT a brush border enzyme

Enterogastrones are produced by the stomach.

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 gastrin

Why is the pharyngoesophageal sphincter normally closed

Peristaltic waves occur continuously in the stomach at a rate of three contractions per minute, keeping pace with the BER.

The outer muscle layer of the digestive tract consists of circular smooth muscle.

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

Secretin stimulates the pancreatic cells to secrete , whereas CCK stimulates the pancreatic cells to secrete .