Question 1

Which of the following is the body's major metabolic organ that works like a chemistry lab making substances that the body needs to survive?

Accepted Answer

A)  pancreas 
B)  small intestine 
C)  gallbladder 
D)  heart 
E)  liver 
A)  pancreas 
B)  small intestine 
C)  gallbladder 
D)  heart 
E)  liver

Question 2

Which of the following nutrients takes longest to digest?

Accepted Answer

A)  fat 
B)  sugar 
C)  vitamin C 
D)  fruit sugar 
E)  glucose 
A)  fat 
B)  sugar 
C)  vitamin C 
D)  fruit sugar 
E)  glucose

Question 3

The major digestive work in the stomach is the initial breakdown of:

Accepted Answer

A)  starch. 
B)  proteins. 
C)  fat. 
D)  vitamins. 
E)  mucus. 
A)  starch. 
B)  proteins. 
C)  fat. 
D)  vitamins. 
E)  mucus.

Question 4

Saliva contains an enzyme that digests:

Accepted Answer

A)  proteins. 
B)  minerals. 
C)  starches. 
D)  vitamins. 
E)  fiber. 
A)  proteins. 
B)  minerals. 
C)  starches. 
D)  vitamins. 
E)  fiber.

Question 5

Which nutrients are digested in the small intestine?

Accepted Answer

A)  carbohydrate, fat, and protein 
B)  fat, water, and fiber 
C)  protein, vitamins, and fiber 
D)  water, fiber, and minerals 
E)  carbohydrate, fat, and water 
A)  carbohydrate, fat, and protein 
B)  fat, water, and fiber 
C)  protein, vitamins, and fiber 
D)  water, fiber, and minerals 
E)  carbohydrate, fat, and water

Question 6

The stomach empties into the:

Accepted Answer

A)  ileum. 
B)  cecum. 
C)  jejunum. 
D)  duodenum. 
E)  colon. 
A)  ileum. 
B)  cecum. 
C)  jejunum. 
D)  duodenum. 
E)  colon.

Question 7

After absorption, the water-soluble nutrients are released directly into the:

Accepted Answer

A)  bloodstream. 
B)  kidneys. 
C)  liver. 
D)  lymph. 
E)  villi. 
A)  bloodstream. 
B)  kidneys. 
C)  liver. 
D)  lymph. 
E)  villi.

Question 8

Which of the following is formed in the mouth?

Accepted Answer

A)  bile 
B)  stomach acid 
C)  chyme 
D)  villus 
E)  bolus 
A)  bile 
B)  stomach acid 
C)  chyme 
D)  villus 
E)  bolus

Question 9

Identify the correct order of the digestive tract from beginning to end.

Accepted Answer

A)  stomach, mouth, large intestine 
B)  pharynx, rectum, stomach 
C)  lower esophageal sphincter, esophagus, rectum 
D)  mouth, stomach, anus 
E)  pharynx, large intestine, pyloric sphincter 
A)  stomach, mouth, large intestine 
B)  pharynx, rectum, stomach 
C)  lower esophageal sphincter, esophagus, rectum 
D)  mouth, stomach, anus 
E)  pharynx, large intestine, pyloric sphincter

Question 10

Peristalsis is a term that refers to the:

Accepted Answer

A)  circulation of blood in the blood vessels. 
B)  absorption of nutrients in the intestines. 
C)  mixing and moving of food through the lymphatic system. 
D)  last phase of digestion. 
E)  action of the involuntary muscles of the digestive tract. 
A)  circulation of blood in the blood vessels. 
B)  absorption of nutrients in the intestines. 
C)  mixing and moving of food through the lymphatic system. 
D)  last phase of digestion. 
E)  action of the involuntary muscles of the digestive tract.

Question 11

When nutrients enter the blood vessels from the small intestine, they are first transported to the:

Accepted Answer

A)  kidney. 
B)  liver. 
C)  cells throughout the body. 
D)  thoracic duct. 
E)  gallbladder. 
A)  kidney. 
B)  liver. 
C)  cells throughout the body. 
D)  thoracic duct. 
E)  gallbladder.

Question 12

The microscopic hairs that cover the surface of each cell lining the small intestine are called:

Accepted Answer

A)  intestinal folds. 
B)  villi. 
C)  microvilli. 
D)  lymphatics. 
E)  chylomicrons. 
A)  intestinal folds. 
B)  villi. 
C)  microvilli. 
D)  lymphatics. 
E)  chylomicrons.

Question 13

Should antacids be taken to decrease the strong acidity of the stomach? Explain your answer.

Accepted Answer

The highly acidic environment of the sto

Question 14

Segmentation begins when a bolus enters the esophagus.

Accepted Answer

A) True 
 B)False

Question 15

A bolus is a(n):

Accepted Answer

A)  sphincter muscle separating the stomach from the small intestine. 
B)  portion of food swallowed at one time. 
C)  enzyme that hydrolyzes starch. 
D)  portion of partially digested food expelled by the stomach into the duodenum. 
E)  blockage that closes off the trachea to prevent choking. 
A)  sphincter muscle separating the stomach from the small intestine. 
B)  portion of food swallowed at one time. 
C)  enzyme that hydrolyzes starch. 
D)  portion of partially digested food expelled by the stomach into the duodenum. 
E)  blockage that closes off the trachea to prevent choking.

Question 16

Mucus in the stomach serves to:

Accepted Answer

A)  neutralize stomach acid. 
B)  activate pepsinogen to pepsin. 
C)  coat and protect stomach cells from gastric juices. 
D)  emulsify fats. 
E)  collect bacteria. 
A)  neutralize stomach acid. 
B)  activate pepsinogen to pepsin. 
C)  coat and protect stomach cells from gastric juices. 
D)  emulsify fats. 
E)  collect bacteria.

Which of the following is the body's major metabolic organ that works like a chemistry lab making substances that the body needs to survive?

Which of the following nutrients takes longest to digest?

The major digestive work in the stomach is the initial breakdown of:

Saliva contains an enzyme that digests:

Which nutrients are digested in the small intestine?

The stomach empties into the:

After absorption, the water-soluble nutrients are released directly into the:

Which of the following is formed in the mouth?

Identify the correct order of the digestive tract from beginning to end.

Peristalsis is a term that refers to the:

When nutrients enter the blood vessels from the small intestine, they are first transported to the:

The microscopic hairs that cover the surface of each cell lining the small intestine are called:

Should antacids be taken to decrease the strong acidity of the stomach? Explain your answer.

Segmentation begins when a bolus enters the esophagus.

A bolus is a(n):

Mucus in the stomach serves to:

Overview of Nutrition and Health

Carbohydrates

Lipids

Protein

Energy Balance and Body Composition

Weight Management

The Vitamins

Water and the Minerals

Nutrition Through the Life Span: Pregnancy and Lactation

Nutrition Through the Life Span: Infancy, Childhood, and Adolescence

Nutrition Through the Life Span: Later Adulthood

Nutrition Care and Assessment

Nutrition Intervention and Diet-Drug Interactions

Enteral and Parenteral Nutrition Support

Nutrition in Metabolic and Respiratory Stress

Nutrition and Upper Gastrointestinal Disorders

Nutrition and Lower Gastrointestinal Disorders

Nutrition and Liver Diseases

Nutrition and Diabetes Mellitus

Nutrition and Cardiovascular Diseases

Nutrition and Renal Diseases

Nutrition, Cancer, and Hiv Infection

Filters

Exam 2: Digestion and Absorption

Which of the following is the body's major metabolic organ that works like a chemistry lab making substances that the body needs to survive?

Which of the following nutrients takes longest to digest?

The major digestive work in the stomach is the initial breakdown of:

Saliva contains an enzyme that digests:

Which nutrients are digested in the small intestine?

The stomach empties into the:

After absorption, the water-soluble nutrients are released directly into the:

Which of the following is formed in the mouth?

Identify the correct order of the digestive tract from beginning to end.

Peristalsis is a term that refers to the:

When nutrients enter the blood vessels from the small intestine, they are first transported to the:

The microscopic hairs that cover the surface of each cell lining the small intestine are called:

Should antacids be taken to decrease the strong acidity of the stomach? Explain your answer.

Segmentation begins when a bolus enters the esophagus.

A bolus is a(n):

Mucus in the stomach serves to:

Overview of Nutrition and Health

Carbohydrates

Lipids

Protein

Energy Balance and Body Composition

Weight Management

The Vitamins

Water and the Minerals

Nutrition Through the Life Span: Pregnancy and Lactation

Nutrition Through the Life Span: Infancy, Childhood, and Adolescence

Nutrition Through the Life Span: Later Adulthood

Nutrition Care and Assessment

Nutrition Intervention and Diet-Drug Interactions

Enteral and Parenteral Nutrition Support

Nutrition in Metabolic and Respiratory Stress

Nutrition and Upper Gastrointestinal Disorders

Nutrition and Lower Gastrointestinal Disorders

Nutrition and Liver Diseases

Nutrition and Diabetes Mellitus

Nutrition and Cardiovascular Diseases

Nutrition and Renal Diseases

Nutrition, Cancer, and Hiv Infection

Filters