Nutrition & You, 4e (Blake)
Chapter 3 The Basics of Digestion
1) Which of the following processes is not involved in mechanical digestion?
A) chewing
B) grinding
C) enzymes
D) peristaltic movement of food
Answer: C
Page Ref: 70
Skill: Knowledge
Learning Outcome: 3.1
Section: 3.1
4) Which of the following statements regarding saliva is false?
A) It helps dissolve small food particles.
B) It allows us to comfortably swallow dry food.
C) We each produce 1 to 1.5 liters every day.
D) It provides the enzyme that begins protein digestion.
Answer: D
Page Ref: 73
Skill: Knowledge
Learning Outcome: 3.2
Section: 3.2
5) The sphincter between the stomach and the small intestine is the
A) ileocecal sphincter.
B) lower esophageal sphincter.
C) upper sphincter.
D) pyloric sphincter.
Answer: D
Page Ref: 76
Skill: Knowledge
Learning Outcome: 3.2
Section: 3.2
7) The majority of digestion occurs in the
A) mouth.
B) stomach.
C) small intestine.
D) large intestine.
Answer: C
Page Ref: 76
Skill: Knowledge
Learning Outcome: 3.2
Section: 3.2
8) Which of the following lists of structures correctly sequences the segments of the small intestine?
A) duodenum; jejunum; ileum
B) jejunum; ileum; duodenum
C) duodenum; ileum; jejunum
D) ileum; duodenum; colon
Answer: A
Page Ref: 76
Skill: Knowledge
Learning Outcome: 3.2
Section: 3.2
9) Which of the following actions does not occur in the colon?
A) absorption of water
B) production of some vitamins
C) absorption of the majority of nutrients
D) absorption of electrolytes
Answer: C
Page Ref: 78
Skill: Knowledge
Learning Outcome: 3.2
Section: 3.2
10) Which of the following statements about the small intestine is false?
A) It contains villi.
B) It absorbs water.
C) It produces digestive secretions.
D) It absorbs most nutrients.
Answer: B
Page Ref: 76
Skill: Knowledge
Learning Outcome: 3.2
Section: 3.2
12) Which of the following functions is the "sloshing" motion that thoroughly mixes chyme with the chemical secretions in the small intestine?
A) pendular movement
B) peristalsis
C) segmentation
D) absorption
Answer: C
Page Ref: 70
Skill: Knowledge
Learning Outcome: 3.1
Section: 3.1
13) Which of the following is likely not a component in feces?
A) bacteria
B) sloughed-off gastrointestinal cells
C) undigested fiber
D) sucrose
Answer: D
Page Ref: 78
Skill: Knowledge
Learning Outcome: 3.2
Section: 3.2
16) The ______produces bile, whereas the ______stores it.
A) pancreas; bladder
B) gallbladder; pancreas
C) liver; gallbladder
D) gallbladder; liver
Answer: C
Page Ref: 79-80
Skill: Knowledge
Learning Outcome: 3.3
Section: 3.3
17) Bile is released into the ______in response to the ingestion of fat.
A) stomach
B) small intestine
C) large intestine
D) pancreas
Answer: B
Page Ref: 80
Skill: Knowledge
Learning Outcome: 3.3
Section: 3.3
19) During digestion, the blood picks up nutrients absorbed through the GI tract and transports them to the
A) liver.
B) heart.
C) brain.
D) lungs.
Answer: A
Page Ref: 83
Skill: Knowledge
Learning Outcome: 3.5
Section: 3.5
22) Which of the following foods should be avoided by a person with celiac disease?
A) broccoli
B) eggs
C) pasta
D) milk
Answer: C
Page Ref: 89
Skill: Comprehension
Learning Outcome: 3.7
Section: 3.7
25) Which of the following is not a function of the liver?
A) detoxifying alcohol
B) storing glycogen
C) producing insulin
D) producing bile
Answer: C
Page Ref: 79
Skill: Knowledge
Learning Outcome: 3.2
Section: 3.2
28) Food high in which of the following substances leaves the stomach first?
A) carbohydrates
B) fats
C) protein
D) fiber
Answer: A
Page Ref: 76
Skill: Knowledge
Learning Outcome: 3.2
Section: 3.2
30) Which of the following processes occurs in the stomach?
A) bile storage
B) HCl production
C) bile production
D) production of most digestive enzymes
Answer: B
Page Ref: 75
Skill: Knowledge
Learning Outcome: 3.2
Section: 3.2
31) Which of the following processes occurs in the gallbladder?
A) bile storage
B) HCl production
C) movement of food to the stomach
D) production of most digestive enzymes
Answer: A
Page Ref: 79
Skill: Knowledge
Learning Outcome: 3.2
Section: 3.2
32) Which of the following processes occurs in the esophagus?
A) protein absorption
B) movement of food to the stomach
C) bile production
D) fat emulsification
Answer: B
Page Ref: 75
Skill: Knowledge
Learning Outcome: 3.2
Section: 3.2
34) Which of the following processes occurs in the liver?
A) bile storage
B) HCl production
C) bile production
D) production of most digestive enzymes
Answer: C
Page Ref: 80
Skill: Knowledge
Learning Outcome: 3.2
Section: 3.2
41) Which of the following body systems eliminates waste from the circulatory system?
A) lymphatic system
B) nervous system
C) excretory / urinary system
D) digestive system
Answer: C
Page Ref: 84
Skill: Knowledge
Learning Outcome: 3.5
Section: 3.5
53) The smell, sight, and taste of food trigger the secretion of chyme.
Answer: FALSE
Page Ref: 70, 76
Skill: Knowledge
Learning Outcome: 3.1, 3.2
Section: 3.1, 3.2
57) It generally takes about one week for intestinal matter to pass through the colon.
Answer: FALSE
Page Ref: 78
Skill: Knowledge
Learning Outcome: 3.2
Section: 3.2
58) Most vitamin production and absorption of water occurs within the first half of the colon.
Answer: TRUE
Page Ref: 78
Skill: Knowledge
Learning Outcome: 3.2
Section: 3.2
62) Celiac disease is a disorder of the stomach that involves the inability to digest the protein gluten.
Answer: FALSE
Page Ref: 90
Skill: Knowledge
Learning Outcome: 3.7
Section: 3.7
69) Ingested food that is chewed and mixed with saliva is called a bolus.
Answer: TRUE
Page Ref: 73
Skill: Knowledge
Learning Outcome: 3.2
Section: 3.2
71) The constrictive wave that involves both forward and reverse movements of chyme is referred to as peristalsis.
Answer: FALSE
Page Ref: 71
Skill: Knowledge
Learning Outcome: 3.1
Section: 3.1
78) Digestion converts whole foods into individual nutrients that can be used by the body's cells.
Answer: TRUE
Page Ref: 70
Skill: Knowledge
Learning Outcome: 3.1
Section: 3.1
81) Oxygen, nutrients, hormones, and waste products are carried throughout the body primarily by the vessels of the Cardiovascular system.
Answer: TRUE
Page Ref: 83
Skill: Knowledge
Learning Outcome: 3.5
Section: 3.5
82) Fat-soluble vitamins and fat leave the intestinal tract in the blood.
Answer: FALSE
Page Ref: 83
Skill: Knowledge
Learning Outcome: 3.5
Section: 3.5
86) Describe the pathway food takes through the body from start to finish.
Select the 5 In-Path gi Structures from the following list
- __AD
- __B
- __BC
- __E
- __BD
B
C
D
E
AB
AC
AD
AE
BC
BD
BE / Blood Vessels
Esophagus
Gall Bladder
Heart
Jejunum
Kidneys
Liver
Mouth
Pancreas
Stomach
Transverse Colon
Urethra
1
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