Question 1

Which of the following functions is the "sloshing" motion that thoroughly mixes chyme with the chemical secretions in the small intestine?

Accepted Answer

A)  pendular movement 
B)  absorption 
C)  segmentation 
D)  peristalsis 
A)  pendular movement 
B)  absorption 
C)  segmentation 
D)  peristalsis

Question 2

The release of the hormone ghrelin

Accepted Answer

A)  stimulates the release of digestive enzymes from the pancreas. 
B)  signals an increase in peristalsis. 
C)  stimulates hunger. 
D)  induces sweating. 
A)  stimulates the release of digestive enzymes from the pancreas. 
B)  signals an increase in peristalsis. 
C)  stimulates hunger. 
D)  induces sweating.

Question 3

The ileocecal sphincter prevents backflow of fecal contents from the large intestine into the small intestine.

Accepted Answer

A) True 
 B)False

Question 4

The GI tract is nearly 30 feet long in a cadaver; it is significantly longer in a living person.

Accepted Answer

A) True 
 B)False

Question 5

Cholecystokinin

Accepted Answer

A)  stimulates the release of digestive enzymes from the pancreas. 
B)  signals the brain to stimulate hunger. 
C)  neutralizes HCl in chyme. 
D)  emulsifies fat. 
A)  stimulates the release of digestive enzymes from the pancreas. 
B)  signals the brain to stimulate hunger. 
C)  neutralizes HCl in chyme. 
D)  emulsifies fat.

Question 6

It generally takes about one week for intestinal matter to pass through the colon.

Accepted Answer

A) True 
 B)False

Question 7

Name the most important digestive enzymes produced by the pancreas, and indicate the function of each.

Accepted Answer

Amylase digests carbohydrate; lipase dig

Question 8

Heartburn may result if the pyloric sphincter allows food to flow back into the esophagus from the stomach.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following foods should be avoided by a person with celiac disease?

Accepted Answer

A)  broccoli 
B)  eggs 
C)  milk 
D)  pasta 
A)  broccoli 
B)  eggs 
C)  milk 
D)  pasta

Question 10

What is IBS? What causes it and what can be done to treat it?

Accepted Answer

IBS, or irritable bowel syndrome, is a f

Question 11

The hormone that stimulates the secretion of hydrochloric acid is

Accepted Answer

A)  gastrin. 
B)  pepsin. 
C)  bile. 
D)  bicarbonate. 
A)  gastrin. 
B)  pepsin. 
C)  bile. 
D)  bicarbonate.

Question 12

Describe the pathway food takes through the body from start to finish.

Accepted Answer

Food travels from the mouth to

Question 13

Which of the following actions does not occur in the colon?

Accepted Answer

A)  absorption of water 
B)  absorption of the majority of nutrients 
C)  absorption of electrolytes 
D)  production of some vitamins 
A)  absorption of water 
B)  absorption of the majority of nutrients 
C)  absorption of electrolytes 
D)  production of some vitamins

Question 14

Cholecystokinin is secreted by intestinal cells to stimulate the pancreas to secrete digestive enzymes.

Accepted Answer

A) True 
 B)False

Question 15

The hormone gastrin is made in the stomach and stimulates the secretion of HCl.

Accepted Answer

A) True 
 B)False

Question 16

The stomach produces mucus, which acts as a barrier to protect the stomach lining from irritation or damage from hydrochloric acid.

Accepted Answer

A) True 
 B)False

Question 17

Peptic ulcers are generally caused by a bacterial infection.

Accepted Answer

A) True 
 B)False

Question 18

Gallstones are small, hard, crystalline structures that form in the gallbladder when bile is abnormally thin.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following processes occurs in the stomach?

Accepted Answer

A)  HCl production 
B)  production of most digestive enzymes 
C)  bile production 
D)  bile storage 
A)  HCl production 
B)  production of most digestive enzymes 
C)  bile production 
D)  bile storage

Question 20

The enzyme lipase digests fat.

Accepted Answer

A) True 
 B)False

Which of the following functions is the "sloshing" motion that thoroughly mixes chyme with the chemical secretions in the small intestine?

The release of the hormone ghrelin

The ileocecal sphincter prevents backflow of fecal contents from the large intestine into the small intestine.

The GI tract is nearly 30 feet long in a cadaver; it is significantly longer in a living person.

Cholecystokinin

It generally takes about one week for intestinal matter to pass through the colon.

Name the most important digestive enzymes produced by the pancreas, and indicate the function of each.

Heartburn may result if the pyloric sphincter allows food to flow back into the esophagus from the stomach.

Which of the following foods should be avoided by a person with celiac disease?

What is IBS? What causes it and what can be done to treat it?

The hormone that stimulates the secretion of hydrochloric acid is

Describe the pathway food takes through the body from start to finish.

Which of the following actions does not occur in the colon?

Cholecystokinin is secreted by intestinal cells to stimulate the pancreas to secrete digestive enzymes.

The hormone gastrin is made in the stomach and stimulates the secretion of HCl.

The stomach produces mucus, which acts as a barrier to protect the stomach lining from irritation or damage from hydrochloric acid.

Peptic ulcers are generally caused by a bacterial infection.

Gallstones are small, hard, crystalline structures that form in the gallbladder when bile is abnormally thin.

Which of the following processes occurs in the stomach?

The enzyme lipase digests fat.

What Is Nutrition

Tools for Healthy Eating

Carbohydrates: Sugar, Starches, and Fiber

Fats, Oils, and Other Lipids

Proteins and Amino Acids

Vitamins

Minerals and Water

Alcohol

Weight Management and Energy Balance

Nutrition and Fitness

Consumerism and Sustainability: From Farm to Table

Food Safety and Technology

Life Cycle Nutrition: Pregnancy Through Infancy

Life Cycle Nutrition: Toddlers Through the Later Years

Hunger at Home and Abroad

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Exam 3: The Basics of Digestion

Which of the following functions is the "sloshing" motion that thoroughly mixes chyme with the chemical secretions in the small intestine?

The release of the hormone ghrelin

The ileocecal sphincter prevents backflow of fecal contents from the large intestine into the small intestine.

The GI tract is nearly 30 feet long in a cadaver; it is significantly longer in a living person.

Cholecystokinin

It generally takes about one week for intestinal matter to pass through the colon.

Name the most important digestive enzymes produced by the pancreas, and indicate the function of each.

Heartburn may result if the pyloric sphincter allows food to flow back into the esophagus from the stomach.

Which of the following foods should be avoided by a person with celiac disease?

What is IBS? What causes it and what can be done to treat it?

The hormone that stimulates the secretion of hydrochloric acid is

Describe the pathway food takes through the body from start to finish.

Which of the following actions does not occur in the colon?

Cholecystokinin is secreted by intestinal cells to stimulate the pancreas to secrete digestive enzymes.

The hormone gastrin is made in the stomach and stimulates the secretion of HCl.

The stomach produces mucus, which acts as a barrier to protect the stomach lining from irritation or damage from hydrochloric acid.

Peptic ulcers are generally caused by a bacterial infection.

Gallstones are small, hard, crystalline structures that form in the gallbladder when bile is abnormally thin.

Which of the following processes occurs in the stomach?

The enzyme lipase digests fat.

What Is Nutrition

Tools for Healthy Eating

Carbohydrates: Sugar, Starches, and Fiber

Fats, Oils, and Other Lipids

Proteins and Amino Acids

Vitamins

Minerals and Water

Alcohol

Weight Management and Energy Balance

Nutrition and Fitness

Consumerism and Sustainability: From Farm to Table

Food Safety and Technology

Life Cycle Nutrition: Pregnancy Through Infancy

Life Cycle Nutrition: Toddlers Through the Later Years

Hunger at Home and Abroad

Filters