Question 1

Compare and contrast the digestive process in animals with two-way flow through their digestive system and those that have a digestive system with one-way flow.

Accepted Answer

In both processes, food molecules are br

Question 2

Chief cells secrete:

Accepted Answer

A)  trypsin. 
B)  bile. 
C)  pepsin. 
D)  pepsinogen. 
E)  hydrochloric acid. 
A)  trypsin. 
B)  bile. 
C)  pepsin. 
D)  pepsinogen. 
E)  hydrochloric acid.

Question 3

A major function of bile is to emulsify fats.
____________________

Accepted Answer

A) True 
 B)False

Question 4

The pylorus is located at the exit of the:

Accepted Answer

A)  stomach. 
B)  esophagus. 
C)  jejunum. 
D)  duodenum. 
E)  rectum. 
A)  stomach. 
B)  esophagus. 
C)  jejunum. 
D)  duodenum. 
E)  rectum.

Question 5

Most chemical digestion occurs in the:

Accepted Answer

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

Question 6

Which of the following statements about obesity is false?

Accepted Answer

A)  The number of fat cells in an adult is determined by the amount of fat stored during childhood. 
B)  Genetics, not overeating, is responsible for obesity. 
C)  Obesity can result from an increase in the size and/or number of fat cells. 
D)  Many of the factors involved in obesity are inherited. 
E)  To lose weight, energy intake must be less than energy output. 
A)  The number of fat cells in an adult is determined by the amount of fat stored during childhood. 
B)  Genetics, not overeating, is responsible for obesity. 
C)  Obesity can result from an increase in the size and/or number of fat cells. 
D)  Many of the factors involved in obesity are inherited. 
E)  To lose weight, energy intake must be less than energy output.

Question 7

The liver performs all of the following functions except:

Accepted Answer

A)  breaking down proteins. 
B)  converting excess glucose to glycogen. 
C)  storing iron and vitamins. 
D)  detoxifying poisons that enter the body. 
E)  converting amino acids to urea. 
A)  breaking down proteins. 
B)  converting excess glucose to glycogen. 
C)  storing iron and vitamins. 
D)  detoxifying poisons that enter the body. 
E)  converting amino acids to urea.

Question 8

Omega-3 fatty acids increase LDL levels.
____________________

Accepted Answer

A) True 
 B)False

Question 9

An essential amino acid is one that must be provided in the diet.
____________________

Accepted Answer

A) True 
 B)False

Question 10

MATCHING
Match the component of the digestive system with its description.
a.esophagus
f.pancreas
b.gallbladder
g.pharynx
c.large intestine
h.small intestine
d.liver
i.stomach
e.mouth
-the chemical digestion of food is completed here

Accepted Answer

The answer of MATCHING
Match the component of the digestive system...

Question 11

Which of the following is produced during the hydrogenation of vegetable oils?

Accepted Answer

A)  HDLs 
B)  LDLs 
C)  trans fatty acids 
D)  free radicals 
E)  neuropeptide Y 
A)  HDLs 
B)  LDLs 
C)  trans fatty acids 
D)  free radicals 
E)  neuropeptide Y

Question 12

MATCHING
Match the component of the digestive system with its description.
a.esophagus
f.pancreas
b.gallbladder
g.pharynx
c.large intestine
h.small intestine
d.liver
i.stomach
e.mouth
-the appendix is located here

Accepted Answer

The answer of MATCHING
Match the component of the digestive system...

Question 13

Which of the following does not correctly pair an animal with its food source or strategy?

Accepted Answer

A)  hyenas-dead animals 
B)  baleen whales-suspended particles 
C)  earthworms-plant and animal material 
D)  locusts-other insects 
E)  giraffes-leaves 
A)  hyenas-dead animals 
B)  baleen whales-suspended particles 
C)  earthworms-plant and animal material 
D)  locusts-other insects 
E)  giraffes-leaves

Question 14

In the process of peristalsis:

Accepted Answer

A)  waves of muscular contractions force food down the digestive tract. 
B)  chemical digestion of food takes place in the digestive tract. 
C)  food is discharged from the bodies of unicellular animals. 
D)  digestion occurs intracellularly within food vacuoles. 
E)  digestion of food takes place outside the body of an animal. 
A)  waves of muscular contractions force food down the digestive tract. 
B)  chemical digestion of food takes place in the digestive tract. 
C)  food is discharged from the bodies of unicellular animals. 
D)  digestion occurs intracellularly within food vacuoles. 
E)  digestion of food takes place outside the body of an animal.

Question 15

Chyme flows directly from the jejunum into the:

Accepted Answer

A)  duodenum. 
B)  stomach. 
C)  ileum. 
D)  esophagus. 
E)  rectum. 
A)  duodenum. 
B)  stomach. 
C)  ileum. 
D)  esophagus. 
E)  rectum.

Question 16

Parietal cells secrete:

Accepted Answer

A)  chyme. 
B)  pepsin. 
C)  pepsinogen 
D)  HCl and instrinsic factor. 
E)  mucus. 
A)  chyme. 
B)  pepsin. 
C)  pepsinogen 
D)  HCl and instrinsic factor. 
E)  mucus.

Question 17

In the process of ß-oxidation, _______ are converted to _______.

Accepted Answer

A)  acetyl CoA; omega-3 fatty acids 
B)  acetyl CoA; ketone bodies 
C)  LDLs; HDLs 
D)  fatty acids; acetyl CoA 
E)  HDLs; LDLs 
A)  acetyl CoA; omega-3 fatty acids 
B)  acetyl CoA; ketone bodies 
C)  LDLs; HDLs 
D)  fatty acids; acetyl CoA 
E)  HDLs; LDLs

Question 18

Which of the following would not be an example of an omnivore?

Accepted Answer

A)  an earthworm 
B)  a sheep 
C)  a human 
D)  a pig 
E)  a fish 
A)  an earthworm 
B)  a sheep 
C)  a human 
D)  a pig 
E)  a fish

Question 19

MATCHING
Match the component of the digestive system with its description.
a.esophagus
f.pancreas
b.gallbladder
g.pharynx
c.large intestine
h.small intestine
d.liver
i.stomach
e.mouth
-Trace the path of a chef's salad with croutons down the digestive tract, and explain what takes place in each specialized region.

Accepted Answer

Concepts to Consider: Mouth--mechanical

Question 20

MATCHING
Match the component of the digestive system with its description.
a.esophagus
f.pancreas
b.gallbladder
g.pharynx
c.large intestine
h.small intestine
d.liver
i.stomach
e.mouth
-connects the mouth with the esophagus

Accepted Answer

The answer of MATCHING
Match the component of the digestive system...

Exam 47: Processing Food and Nutrition

Compare and contrast the digestive process in animals with two-way flow through their digestive system and those that have a digestive system with one-way flow.

Chief cells secrete:

A major function of bile is to emulsify fats. ____________________

The pylorus is located at the exit of the:

Most chemical digestion occurs in the:

Which of the following statements about obesity is false?

The liver performs all of the following functions except:

Omega-3 fatty acids increase LDL levels. ____________________

An essential amino acid is one that must be provided in the diet. ____________________

MATCHING Match the component of the digestive system with its description. a.esophagus f.pancreas b.gallbladder g.pharynx c.large intestine h.small intestine d.liver i.stomach e.mouth -the chemical digestion of food is completed here

Which of the following is produced during the hydrogenation of vegetable oils?

MATCHING Match the component of the digestive system with its description. a.esophagus f.pancreas b.gallbladder g.pharynx c.large intestine h.small intestine d.liver i.stomach e.mouth -the appendix is located here

Which of the following does not correctly pair an animal with its food source or strategy?

In the process of peristalsis:

Chyme flows directly from the jejunum into the:

Parietal cells secrete:

In the process of ß-oxidation, _______ are converted to _______.

Which of the following would not be an example of an omnivore?

MATCHING Match the component of the digestive system with its description. a.esophagus f.pancreas b.gallbladder g.pharynx c.large intestine h.small intestine d.liver i.stomach e.mouth -connects the mouth with the esophagus

A View of Life

Atoms and Molecules: the Chemical Basis of Life

The Chemistry of Life: Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp: Energy-Releasing Pathways

Photosynthesis: Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna: the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity: Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure, Growth, and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function: an Introduction

Protection, Support, and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System: Internal Defense

Gas Exchange

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology: Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

Filters

In the process of ß-oxidation, _ are converted to _.