Question 1

The primary site of nutrient absorption is the:

Accepted Answer

A) stomach. 
B) pancreas. 
C) small intestine. 
D) large intestine. 
A) stomach. 
B) pancreas. 
C) small intestine. 
D) large intestine. C

Question 2

The stomach empties into the:

Accepted Answer

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

Question 3

The _____ is formed in the mouth.

Accepted Answer

A) bile 
B) bolus 
C) chyme 
D) villus 
A) bile 
B) bolus 
C) chyme 
D) villus B

Question 4

Two organs that secrete digestive juices into the small intestine are the _____ and _____.

Accepted Answer

A) gallbladder; pancreas 
B) pancreas; liver 
C) gallbladder; liver 
D) duodenum; pancreas 
A) gallbladder; pancreas 
B) pancreas; liver 
C) gallbladder; liver 
D) duodenum; pancreas

Question 5

To prevent foodborne illnesses:

Accepted Answer

A) Fresh produce should be washed before it is eaten. 
B) Only new sponges and towels should be used in the kitchen. 
C) Leftovers can safely be covered and left at room temperature until the next meal. 
D) Meats should be marinated at room temperature. 
A) Fresh produce should be washed before it is eaten. 
B) Only new sponges and towels should be used in the kitchen. 
C) Leftovers can safely be covered and left at room temperature until the next meal. 
D) Meats should be marinated at room temperature.

Question 6

Villi are part of the structure of the:

Accepted Answer

A) esophagus. 
B) stomach. 
C) small intestine. 
D) large intestine. 
A) esophagus. 
B) stomach. 
C) small intestine. 
D) large intestine.

Question 7

The main function of bile is to:

Accepted Answer

A) emulsify fats. 
B) stimulate the activity of protein digestive enzymes. 
C) neutralize the intestinal contents. 
D) decrease the acidity of the contents of the stomach. 
A) emulsify fats. 
B) stimulate the activity of protein digestive enzymes. 
C) neutralize the intestinal contents. 
D) decrease the acidity of the contents of the stomach.

Question 8

Which of the following will cause a foodborne infection?

Accepted Answer

A) foods containing toxin-producing microbes 
B) Clostridium botulinum 
C) Campylobacter jejuni 
D) Staphylococcus aureus 
A) foods containing toxin-producing microbes 
B) Clostridium botulinum 
C) Campylobacter jejuni 
D) Staphylococcus aureus

Question 9

Which of the following is not a component of gastric juice?

Accepted Answer

A) water 
B) enzymes 
C) chylomicrons 
D) hydrochloric acid 
A) water 
B) enzymes 
C) chylomicrons 
D) hydrochloric acid

Question 10

Explain what determines the rate of digestion of the energy nutrients.

Accepted Answer

The answer of Explain what determines the rate of digestion...

Question 11

Which of the following is not part of the structure of a chylomicron?

Accepted Answer

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

Question 12

Leftovers should be used within _____ days.

Accepted Answer

A) 5-7 
B) 3-4 
C) 2-3 
D) 1-2
Essay 
A) 5-7 
B) 3-4 
C) 2-3 
D) 1-2
Essay

Question 13

The gallbladder:

Accepted Answer

A) reabsorbs water and salts. 
B) churns food to chyme. 
C) performs enzymatic digestion. 
D) stores bile. 
A) reabsorbs water and salts. 
B) churns food to chyme. 
C) performs enzymatic digestion. 
D) stores bile.

Question 14

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

Question 15

A benefit of fiber is that it:

Accepted Answer

A) promotes mineral absorption. 
B) aids in keeping stools soft. 
C) prevents diarrhea. 
D) keeps individual foods from getting mixed together. 
A) promotes mineral absorption. 
B) aids in keeping stools soft. 
C) prevents diarrhea. 
D) keeps individual foods from getting mixed together.

Question 16

Which enzyme breaks down starch in the mouth?

Accepted Answer

A) lingual protease 
B) lipase 
C) salivary amylase 
D) gastric protease 
E) secretin 
A) lingual protease 
B) lipase 
C) salivary amylase 
D) gastric protease 
E) secretin

Question 17

Involuntary muscle contractions move food through the intestinal tract.The movement that forces the contents back a few inches before pushing it forward again is called:

Accepted Answer

A) segmentation. 
B) rotation. 
C) peristalsis. 
D) liquefaction. 
A) segmentation. 
B) rotation. 
C) peristalsis. 
D) liquefaction.

Question 18

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

Question 19

Which of the following factors is not required for optimal health and performance of the digestive system?

Accepted Answer

A) adequate sleep 
B) enzyme supplements 
C) mental state 
D) nutrition 
A) adequate sleep 
B) enzyme supplements 
C) mental state 
D) nutrition

Question 20

To prevent bacterial growth when holding cooked foods, they should be kept at _____° F or higher until served.

Accepted Answer

A) 40 
B) 140 
C) 165 
D) 200 
A) 40 
B) 140 
C) 165 
D) 200

Exam 2: Digestion and Absorption

The primary site of nutrient absorption is the:

The stomach empties into the:

The _____ is formed in the mouth.

Two organs that secrete digestive juices into the small intestine are the _____ and _____.

To prevent foodborne illnesses:

Villi are part of the structure of the:

The main function of bile is to:

Which of the following will cause a foodborne infection?

Which of the following is not a component of gastric juice?

Explain what determines the rate of digestion of the energy nutrients.

Which of the following is not part of the structure of a chylomicron?

Leftovers should be used within _____ days.

The gallbladder:

Which nutrients are digested in the small intestine?

A benefit of fiber is that it:

Which enzyme breaks down starch in the mouth?

Involuntary muscle contractions move food through the intestinal tract.The movement that forces the contents back a few inches before pushing it forward again is called:

The function of mucus in the stomach is to:

Which of the following factors is not required for optimal health and performance of the digestive system?

To prevent bacterial growth when holding cooked foods, they should be kept at _____° F or higher until served.

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 Infancy

Nutrition Through the Life Span: 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 Disorders of the Heart and Blood Vessels

Nutrition and Renal Diseases

Nutrition, Cancer, and Hiv Infection

Filters

Two organs that secrete digestive juices into the small intestine are the _ and _.