Question 1

Which of the following statements about the small intestine is false?

Accepted Answer

A)  It produces digestive secretions. 
B)  It contains villi. 
C)  It absorbs most nutrients. 
D)  It absorbs water. 
A)  It produces digestive secretions. 
B)  It contains villi. 
C)  It absorbs most nutrients. 
D)  It absorbs water. D

Question 2

Which of the following will not generally cause diarrhea?

Accepted Answer

A)  low fiber intake 
B)  contaminated water 
C)  some microorganisms 
D)  stress 
A)  low fiber intake 
B)  contaminated water 
C)  some microorganisms 
D)  stress A

Question 3

Finger- like projections on the wall of the small intestine that increase the surface area to enhance nutrient absorption are called microvilli.

Accepted Answer

A) True 
 B)False  False

Question 4

Which of the following secretions raises pH and neutralizes stomach acid?

Accepted Answer

A)  saliva 
B)  HCl 
C)  bile 
D)  bicarbonate 
A)  saliva 
B)  HCl 
C)  bile 
D)  bicarbonate

Question 5

Bicarbonate functions as an emulsifier in the duodenum.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following lists of structures correctly sequences the segments of the small intestine?

Accepted Answer

A)  ileum; duodenum; colon 
B)  duodenum; ileum; jejunum 
C)  duodenum; jejunum; ileum 
D)  jejunum; ileum; duodenum 
A)  ileum; duodenum; colon 
B)  duodenum; ileum; jejunum 
C)  duodenum; jejunum; ileum 
D)  jejunum; ileum; duodenum

Question 7

Probiotics are live microorganisms, usually bacteria, mainly found in meats.

Accepted Answer

A) True 
 B)False

Question 8

Chemical digestion involves chewing and grinding food.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following statements about the digestive process is incorrect?

Accepted Answer

A)  The large intestine is where water is reabsorbed. 
B)  Both the small intestine and the large intestine contain villi for absorption. 
C)  Chyme passes from the stomach to the small intestine. 
D)  Bacteria in the colon play a role in producing biotin and vitamin K. 
A)  The large intestine is where water is reabsorbed. 
B)  Both the small intestine and the large intestine contain villi for absorption. 
C)  Chyme passes from the stomach to the small intestine. 
D)  Bacteria in the colon play a role in producing biotin and vitamin K.

Question 10

Which of the following processes occurs in the esophagus?

Accepted Answer

A)  fat emulsification 
B)  bile production 
C)  protein absorption 
D)  movement of food to the stomach 
A)  fat emulsification 
B)  bile production 
C)  protein absorption 
D)  movement of food to the stomach

Question 11

The constrictive wave that involves both forward and reverse movements of chyme is referred to as peristalsis.

Accepted Answer

A) True 
 B)False

Question 12

All of the following enzymes digest proteins except

Accepted Answer

A)  trypsin. 
B)  chymotrypsin. 
C)  carboxypeptidase. 
D)  amylase. 
A)  trypsin. 
B)  chymotrypsin. 
C)  carboxypeptidase. 
D)  amylase.

Question 13

Blood removes excess water and waste products from cells and brings these substances to the liver for excretion.

Accepted Answer

A) True 
 B)False

Question 14

The condition that causes the lining of the small intestine to flatten in response to gluten ingestion is

Accepted Answer

A)  GERD. 
B)  gallstones. 
C)  celiac disease. 
D)  irritable bowel syndrome. 
A)  GERD. 
B)  gallstones. 
C)  celiac disease. 
D)  irritable bowel syndrome.

Question 15

Which of the following is not a function of cholecystokinin?

Accepted Answer

A)  contribution to meal satisfaction 
B)  stimulation of the pancreas to secrete digestive enzymes 
C)  stimulation of the secretion of hydrochloric acid 
D)  control of the pace of digestion 
A)  contribution to meal satisfaction 
B)  stimulation of the pancreas to secrete digestive enzymes 
C)  stimulation of the secretion of hydrochloric acid 
D)  control of the pace of digestion

Question 16

Enzymes from the________ are responsible for the digestion of almost all the fat, half the protein, and half the carbohydrates you eat.

Accepted Answer

A)  liver 
B)  stomach 
C)  pancreas 
D)  gallbladder 
A)  liver 
B)  stomach 
C)  pancreas 
D)  gallbladder

Question 17

Which of the following is not a role of the lymphatic system?

Accepted Answer

A)  maintaining the internal fluid environment 
B)  aiding your immune system 
C)  transporting digested fat from the GI tract to your blood 
D)  transporting water- soluble vitamins from the GI tract to your blood 
A)  maintaining the internal fluid environment 
B)  aiding your immune system 
C)  transporting digested fat from the GI tract to your blood 
D)  transporting water- soluble vitamins from the GI tract to your blood

Question 18

Pendular movement, segmentation, and peristalsis move chyme through the small intestine.

Accepted Answer

A) True 
 B)False

Question 19

The pharynx prevents food from passing into the trachea.

Accepted Answer

A) True 
 B)False

Question 20

Food high in which of the following substances leaves the stomach first?

Accepted Answer

A)  protein 
B)  fiber 
C)  fats 
D)  carbohydrates 
A)  protein 
B)  fiber 
C)  fats 
D)  carbohydrates

Which of the following statements about the small intestine is false?

Which of the following will not generally cause diarrhea?

Finger- like projections on the wall of the small intestine that increase the surface area to enhance nutrient absorption are called microvilli.

Which of the following secretions raises pH and neutralizes stomach acid?

Bicarbonate functions as an emulsifier in the duodenum.

Which of the following lists of structures correctly sequences the segments of the small intestine?

Probiotics are live microorganisms, usually bacteria, mainly found in meats.

Chemical digestion involves chewing and grinding food.

Which of the following statements about the digestive process is incorrect?

Which of the following processes occurs in the esophagus?

The constrictive wave that involves both forward and reverse movements of chyme is referred to as peristalsis.

All of the following enzymes digest proteins except

Blood removes excess water and waste products from cells and brings these substances to the liver for excretion.

The condition that causes the lining of the small intestine to flatten in response to gluten ingestion is

Which of the following is not a function of cholecystokinin?

Enzymes from the________ are responsible for the digestion of almost all the fat, half the protein, and half the carbohydrates you eat.

Which of the following is not a role of the lymphatic system?

Pendular movement, segmentation, and peristalsis move chyme through the small intestine.

The pharynx prevents food from passing into the trachea.

Food high in which of the following substances leaves the stomach first?

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 statements about the small intestine is false?

Which of the following will not generally cause diarrhea?

Finger- like projections on the wall of the small intestine that increase the surface area to enhance nutrient absorption are called microvilli.

Which of the following secretions raises pH and neutralizes stomach acid?

Bicarbonate functions as an emulsifier in the duodenum.

Which of the following lists of structures correctly sequences the segments of the small intestine?

Probiotics are live microorganisms, usually bacteria, mainly found in meats.

Chemical digestion involves chewing and grinding food.

Which of the following statements about the digestive process is incorrect?

Which of the following processes occurs in the esophagus?

The constrictive wave that involves both forward and reverse movements of chyme is referred to as peristalsis.

All of the following enzymes digest proteins except

Blood removes excess water and waste products from cells and brings these substances to the liver for excretion.

The condition that causes the lining of the small intestine to flatten in response to gluten ingestion is

Which of the following is not a function of cholecystokinin?

Enzymes from the________ are responsible for the digestion of almost all the fat, half the protein, and half the carbohydrates you eat.

Which of the following is not a role of the lymphatic system?

Pendular movement, segmentation, and peristalsis move chyme through the small intestine.

The pharynx prevents food from passing into the trachea.

Food high in which of the following substances leaves the stomach first?

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