Question 1

Which of the following statements are true of the end products of digestion? (Read carefully and select all of the correct statements.)

Accepted Answer

A) Proteins are digested to amino acids. 
B) Starches are digested to glucose and glycerol. 
C) Fatty acids are an end product of the digestion of triglycerides. 
D) Capillary networks in the villi of the small intestine absorb amino acids,monosaccharides,and water. 
E) Lacteals in the villi absorb fat-soluble vitamins; bile salts are necessary.
F)Capillary networks in the villi absorb water-soluble vitamins,and the intrinsic factor is necessary for vitamin B6. 
A) Proteins are digested to amino acids. 
B) Starches are digested to glucose and glycerol. 
C) Fatty acids are an end product of the digestion of triglycerides. 
D) Capillary networks in the villi of the small intestine absorb amino acids,monosaccharides,and water. 
E) Lacteals in the villi absorb fat-soluble vitamins; bile salts are necessary.
F)Capillary networks in the villi absorb water-soluble vitamins,and the intrinsic factor is necessary for vitamin B6.

Question 2

The normal flora of the colon consists of:

Accepted Answer

A) plants that digest food 
B) fungi that produce minerals 
C) cells of the lining that produce vitamins 
D) bacteria that produce vitamins 
A) plants that digest food 
B) fungi that produce minerals 
C) cells of the lining that produce vitamins 
D) bacteria that produce vitamins

Question 3

Backup of food from the stomach to the esophagus is prevented by the ____________________.

Accepted Answer

lower esop

Question 4

Which digestive enzyme is NOT paired with the food it helps digest?

Accepted Answer

A) peptidases - proteins 
B) lactase - lactose 
C) amylase - glucose 
D) lipase - fats 
A) peptidases - proteins 
B) lactase - lactose 
C) amylase - glucose 
D) lipase - fats

Question 5

The end products of protein digestion are ____________________.

Accepted Answer

The answer of The end products of protein digestion are...

Question 6

Which of these organs is NOT an accessory organ of digestion?

Accepted Answer

A) teeth 
B) pharynx 
C) gallbladder 
D) salivary glands 
A) teeth 
B) pharynx 
C) gallbladder 
D) salivary glands

Question 7

The part of saliva that digests starch to maltose is:

Accepted Answer

A) water 
B) lysozyme 
C) amylase 
D) mucus 
A) water 
B) lysozyme 
C) amylase 
D) mucus

Question 8

Pancreatic trypsin contributes to the digestion of ____________________.

Accepted Answer

The answer of Pancreatic trypsin contributes to the digestion of...

Question 9

In the duodenum,HCl from the stomach is neutralized by ____________________.

Accepted Answer

bicarbonat

Question 10

The external muscle layer of the stomach has:

Accepted Answer

A) three layers,and sympathetic impulses decrease contractions 
B) two layers,and sympathetic impulses increase contractions 
C) three layers,and parasympathetic impulses decrease contractions 
D) two layers,and parasympathetic impulses increase contractions 
A) three layers,and sympathetic impulses decrease contractions 
B) two layers,and sympathetic impulses increase contractions 
C) three layers,and parasympathetic impulses decrease contractions 
D) two layers,and parasympathetic impulses increase contractions

Question 11

The cystic duct is a two-way duct,carrying bile into or out of the ____________________.

Accepted Answer

The answer of The cystic duct is a two-way duct,carrying...

Question 12

The secretion of gastric juice is increased by the hormone ____________________,which is secreted by the ____________________.

Accepted Answer

gastrin,G cells (gas

Question 13

The part of gastric juice that begins the digestion of protein is ____________________.

Accepted Answer

The answer of The part of gastric juice that begins...

Question 14

Which of these end products of digestion is NOT absorbed by the lacteals in the villi?

Accepted Answer

A) sodium ions 
B) fatty acids and glycerol 
C) vitamin E 
D) vitamin A 
A) sodium ions 
B) fatty acids and glycerol 
C) vitamin E 
D) vitamin A

Question 15

The end products of fat digestion are ____________________ and ____________________.

Accepted Answer

fatty acid

Question 16

The layer of the alimentary tube that contains Auerbach's plexus is the:

Accepted Answer

A) mucosa 
B) submucosa 
C) external muscle layer 
D) serosa 
A) mucosa 
B) submucosa 
C) external muscle layer 
D) serosa

Question 17

The end products of carbohydrate digestion are:

Accepted Answer

A) monosaccharides 
B) glycerol and fatty acids 
C) starches 
D) polysaccharides 
A) monosaccharides 
B) glycerol and fatty acids 
C) starches 
D) polysaccharides

Question 18

The purpose of transamination in the liver is to:

Accepted Answer

A) use excess amino acids for energy production 
B) use excess amino acids for protein synthesis 
C) synthesize the essential amino acids 
D) synthesize the nonessential amino acids 
A) use excess amino acids for energy production 
B) use excess amino acids for protein synthesis 
C) synthesize the essential amino acids 
D) synthesize the nonessential amino acids

Question 19

The function of the intrinsic factor in gastric juice is to:

Accepted Answer

A) begin the digestion of proteins 
B) increase the secretion of gastric juice 
C) promote the absorption of glucose by the small intestine 
D) prevent the digestion of vitamin B12 by the stomach 
A) begin the digestion of proteins 
B) increase the secretion of gastric juice 
C) promote the absorption of glucose by the small intestine 
D) prevent the digestion of vitamin B12 by the stomach

Question 20

The digestive function of bile is to ____________________.

Accepted Answer

The answer of The digestive function of bile is to...

Exam 16: The Digestive System

Which of the following statements are true of the end products of digestion? (Read carefully and select all of the correct statements.)

The normal flora of the colon consists of:

Backup of food from the stomach to the esophagus is prevented by the ____________________.

Which digestive enzyme is NOT paired with the food it helps digest?

The end products of protein digestion are ____________________.

Which of these organs is NOT an accessory organ of digestion?

The part of saliva that digests starch to maltose is:

Pancreatic trypsin contributes to the digestion of ____________________.

In the duodenum,HCl from the stomach is neutralized by ____________________.

The external muscle layer of the stomach has:

The cystic duct is a two-way duct,carrying bile into or out of the ____________________.

The secretion of gastric juice is increased by the hormone ____________________,which is secreted by the ____________________.

The part of gastric juice that begins the digestion of protein is ____________________.

Which of these end products of digestion is NOT absorbed by the lacteals in the villi?

The end products of fat digestion are ____________________ and ____________________.

The layer of the alimentary tube that contains Auerbach's plexus is the:

The end products of carbohydrate digestion are:

The purpose of transamination in the liver is to:

The function of the intrinsic factor in gastric juice is to:

The digestive function of bile is to ____________________.

Organization and General Plan of the Body

Some Basic Chemistry

Cells

Tissues and Membranes

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The Senses

The Endocrine System

Blood

The Heart

The Vascular System

The Lymphatic System and Immunity

The Respiratory System

Body Temperature and Metabolism

The Urinary System

Fluidelectrolyte and Acidbase Balance

The Reproductive Systems

Human Development and Genetics

An Introduction to Microbiology and Human Disease

Filters

The secretion of gastric juice is increased by the hormone ,which is secreted by the .

The end products of fat digestion are and .