Question 1

Enzymes:

Accepted Answer

A) facilitate chemical reactions. 
B) draw water into the small intestine. 
C) are present in all parts of the GI tract. 
D) encourage bacterial growth. 
E) discourage water removal by the duodenum. 
A) facilitate chemical reactions. 
B) draw water into the small intestine. 
C) are present in all parts of the GI tract. 
D) encourage bacterial growth. 
E) discourage water removal by the duodenum.

Question 2

Which enzyme breaks down starch in the mouth?

Accepted Answer

A) carbohydrase 
B) lipase 
C) salivary amylase 
D) gastric protease 
E) salivary chymylase 
A) carbohydrase 
B) lipase 
C) salivary amylase 
D) gastric protease 
E) salivary chymylase

Question 3

Which food would be digested most quickly?

Accepted Answer

A) a scoop of lemon sherbet 
B) an apple 
C) a baked potato with sour cream 
D) a piece of cheese on a cracker 
E) peanut butter on celery 
A) a scoop of lemon sherbet 
B) an apple 
C) a baked potato with sour cream 
D) a piece of cheese on a cracker 
E) peanut butter on celery

Question 4

Describe the route of blood in the vascular system in relation to digestion.

Accepted Answer

​ The vascular or blood circulatory syst

Question 5

Drinking plenty of water in conjunction with eating foods high in fiber supplies fluid for the fiber to take up, thus relieving constipation.

Accepted Answer

A) True 
 B)False

Question 6

Which food would be digested most quickly?

Accepted Answer

A) sugar cookies 
B) peanut butter sandwich and milk 
C) stew and cornbread 
D) hamburger 
E) milkshake 
A) sugar cookies 
B) peanut butter sandwich and milk 
C) stew and cornbread 
D) hamburger 
E) milkshake

Question 7

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

Accepted Answer

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

Question 8

Which substance contains no digestive enzymes?

Accepted Answer

A) saliva 
B) gastric juice 
C) intestinal juice 
D) bile 
E) pancreatic juice 
A) saliva 
B) gastric juice 
C) intestinal juice 
D) bile 
E) pancreatic juice

Question 9

Chyme is a(n):

Accepted Answer

A) semiliquid mass of partially digested food. 
B) portion of food swallowed at one time. 
C) enzyme in the stomach needed for the digestion of protein. 
D) esophageal secretion. 
E) digesting liquid, similar to pepsin. 
A) semiliquid mass of partially digested food. 
B) portion of food swallowed at one time. 
C) enzyme in the stomach needed for the digestion of protein. 
D) esophageal secretion. 
E) digesting liquid, similar to pepsin.

Question 10

The movement of chyme from the stomach into the small intestine is regulated by the:

Accepted Answer

A) pancreas. 
B) pyloric sphincter. 
C) ileocecal valve. 
D) duodenum. 
E) epiglottis. 
A) pancreas. 
B) pyloric sphincter. 
C) ileocecal valve. 
D) duodenum. 
E) epiglottis.

Question 11

Which substance is not found in a chylomicron?

Accepted Answer

A) phospholipid 
B) protein 
C) triglyceride 
D) water-soluble vitamins 
E) cholesterol 
A) phospholipid 
B) protein 
C) triglyceride 
D) water-soluble vitamins 
E) cholesterol

Question 12

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

Question 13

Describe the difference between low-density lipoproteins (LDL)and high-density lipoproteins (HDL). What is the relationship between blood levels of these lipoproteins and risk of heart disease?

Accepted Answer

​ When necessary, the liver can assemble

Question 14

The liver:

Accepted Answer

A) reabsorbs water and salts. 
B) makes bile. 
C) churns food to chyme. 
D) performs enzymatic digestion. 
E) shunts bloods away from the stomach during digestion. 
A) reabsorbs water and salts. 
B) makes bile. 
C) churns food to chyme. 
D) performs enzymatic digestion. 
E) shunts bloods away from the stomach during digestion.

Question 15

Which factor is most instrumental to the optimal health and performance of the digestive system?

Accepted Answer

A) bicarbonate 
B) adequate sleep 
C) the glycemic index 
D) hepatic shunting 
E) enzyme supplements 
A) bicarbonate 
B) adequate sleep 
C) the glycemic index 
D) hepatic shunting 
E) enzyme supplements

Question 16

The function of mucus in the stomach is to:

Accepted Answer

A) neutralize stomach acid. 
B) activate pepsinogen to pepsin. 
C) protect stomach cells from gastric juices. 
D) emulsify fats. 
E) denature proteins. 
A) neutralize stomach acid. 
B) activate pepsinogen to pepsin. 
C) protect stomach cells from gastric juices. 
D) emulsify fats. 
E) denature proteins.

Question 17

Match between columns
                        Premises: duodenum

Accepted Answer

The Answer of the sphincter muscle separating the stomach from is...

Question 18

The gallbladder:

Accepted Answer

A) reabsorbs water and salts. 
B) churns food to chyme. 
C) performs enzymatic digestion. 
D) stores bile. 
E) produces gall stones that aid in the digestion of fiber. 
A) reabsorbs water and salts. 
B) churns food to chyme. 
C) performs enzymatic digestion. 
D) stores bile. 
E) produces gall stones that aid in the digestion of fiber.

Question 19

Match between columns
                        Premises: esophagus

Accepted Answer

The Answer of a cartilage structure in the throat that is...

Question 20

Match between columns
                        Premises: pancreas

Accepted Answer

The Answer of the passageway from the mouth and nose is...

Exam 2: Carbohydrates

Enzymes:

Which enzyme breaks down starch in the mouth?

Which food would be digested most quickly?

Describe the route of blood in the vascular system in relation to digestion.

Drinking plenty of water in conjunction with eating foods high in fiber supplies fluid for the fiber to take up, thus relieving constipation.

Which food would be digested most quickly?

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

Which substance contains no digestive enzymes?

Chyme is a(n):

The movement of chyme from the stomach into the small intestine is regulated by the:

Which substance is not found in a chylomicron?

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

Describe the difference between low-density lipoproteins (LDL)and high-density lipoproteins (HDL). What is the relationship between blood levels of these lipoproteins and risk of heart disease?

The liver:

Which factor is most instrumental to the optimal health and performance of the digestive system?

The function of mucus in the stomach is to:

The gallbladder:

Overview of Nutrition and Health

Lipids

Protein

Digestion and Absorption

Metabolism, Energy Balance, and Body Composition

Weight Management

The Vitamins

Water and the Minerals

Fitness and Nutrition

Nutrition Through the Life Span: Pregnancy and Lactation

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

Nutrition Through the Life Span: Later Adulthood

Illness and Nutrition Care

Medications, Diet-Drug Interactions, and Herbal Supplements

Specialized Nutrition Support: Enteral and Parenteral Nutrition

Foods and Food Consistency for Upper Gi Disorders

Fiber-Modified Diets for Lower Gastrointestinal Tract Disorders

Carbohydrate- and Fat-Modified Diets for Malabsorption Disorders

Nutrition Therapy for Liver and Gallbladder Diseases

Carbohydrate-Controlled Diets for Diabetes Mellitus

Fat-Controlled, Mineral-Modified Diets for Cardiovascular Diseases

Protein-, Mineral-, and Fluid-Modified Diets for Kidney Diseases

Energy- and Protein-Modified Diets for Metabolic and Respiratory Stress

Energy- and Protein-Modified Diets for Cancer and Hiv Infection

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