Question 1

Food leaving the pharynx moves next into the stomach.
____________________

Accepted Answer

A) True 
 B)False

Question 2

When __________ reaches the stomach, it is inactivated by the low pH.

Accepted Answer

A)  pepsin 
B)  pepsinogen 
C)  trypsin 
D)  amylase 
E)  bile 
A)  pepsin 
B)  pepsinogen 
C)  trypsin 
D)  amylase 
E)  bile

Question 3

Which of the following statements about cholesterol is true?

Accepted Answer

A)  If the blood contains too much HDL, cholesterol may be deposited on the arterial wall. 
B)  LDLs transport cholesterol from cells to the liver when cholesterol levels are high. 
C)  In order for LDLs to be taken up by cells, they must bind with an LDL receptor on the cell membrane. 
D)  Most plasma cholesterol is transported on HDLs or high-density lipoproteins. 
E)  Omega-3 fatty acids are thought to decrease HDL levels. 
A)  If the blood contains too much HDL, cholesterol may be deposited on the arterial wall. 
B)  LDLs transport cholesterol from cells to the liver when cholesterol levels are high. 
C)  In order for LDLs to be taken up by cells, they must bind with an LDL receptor on the cell membrane. 
D)  Most plasma cholesterol is transported on HDLs or high-density lipoproteins. 
E)  Omega-3 fatty acids are thought to decrease HDL levels.

Question 4

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
-salivary glands are found here

Accepted Answer

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

Question 5

Which of the following types of teeth would be least prevalent and possibly absent in an herbivore?

Accepted Answer

A)  incisors only 
B)  premolars only 
C)  molars only 
D)  canines only 
E)  both premolars and molars 
A)  incisors only 
B)  premolars only 
C)  molars only 
D)  canines only 
E)  both premolars and molars

Question 6

Copper is an example of a major mineral.
____________________

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is not an example of a phytochemical?

Accepted Answer

A)  ghrelin 
B)  carotenoids 
C)  lycopene 
D)  flavonoids 
E)  organosulfur compounds 
A)  ghrelin 
B)  carotenoids 
C)  lycopene 
D)  flavonoids 
E)  organosulfur compounds

Question 8

If you take an antacid:

Accepted Answer

A)  you are trying to limit the secretions of the chief cells. 
B)  you are trying to limit the secretions of the parietal cells. 
C)  you would be affecting both the parietal and the chief cells. 
D)  you would not be able to digest protein. 
E)  you would not be able to digest lipids. 
A)  you are trying to limit the secretions of the chief cells. 
B)  you are trying to limit the secretions of the parietal cells. 
C)  you would be affecting both the parietal and the chief cells. 
D)  you would not be able to digest protein. 
E)  you would not be able to digest lipids.

Question 9

The correct order of the layers of tissue from the outside of the digestive system toward the lumen is:

Accepted Answer

A)  mucosa, submucosa, muscle layer, and visceral peritoneum. 
B)  mucosa, visceral peritoneum, muscle layer, and submucosa. 
C)  visceral peritoneum, muscle layer, submucosa, and mucosa. 
D)  muscle layer, visceral peritoneum, mucosa, and submucosa. 
E)  visceral peritoneum, mucosa, muscle layer, and submucosa. 
A)  mucosa, submucosa, muscle layer, and visceral peritoneum. 
B)  mucosa, visceral peritoneum, muscle layer, and submucosa. 
C)  visceral peritoneum, muscle layer, submucosa, and mucosa. 
D)  muscle layer, visceral peritoneum, mucosa, and submucosa. 
E)  visceral peritoneum, mucosa, muscle layer, and submucosa.

Question 10

Trypsin and chymotrypsin are secreted by the pancreas.
____________________

Accepted Answer

A) True 
 B)False

Question 11

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 ileum is found here

Accepted Answer

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

Question 12

Pepsinogen catalyzes the hydrolysis of proteins to short polypeptides.
____________________

Accepted Answer

A) True 
 B)False

Question 13

From the pharynx, a bolus moves next into the:

Accepted Answer

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

Question 14

__________ are teeth adapted primarily for tearing food.

Accepted Answer

A)  Bicuspids 
B)  Canines 
C)  Incisors 
D)  Molars 
E)  Premolars 
A)  Bicuspids 
B)  Canines 
C)  Incisors 
D)  Molars 
E)  Premolars

Question 15

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
-contains gastric glands

Accepted Answer

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

Question 16

Bacteria present in the digestive tracts of some herbivores function to:

Accepted Answer

A)  provide bulk to their feces. 
B)  produce minerals for their hosts. 
C)  detoxify harmful materials found in the food. 
D)  digest the animal waste products from the herbivore diet. 
E)  digest the cellulose cell wall of plant cells. 
A)  provide bulk to their feces. 
B)  produce minerals for their hosts. 
C)  detoxify harmful materials found in the food. 
D)  digest the animal waste products from the herbivore diet. 
E)  digest the cellulose cell wall of plant cells.

Question 17

Glycogen is hydrolyzed by:

Accepted Answer

A)  maltase. 
B)  dipeptidases. 
C)  bile salts. 
D)  chymotrypsin. 
E)  amylase. 
A)  maltase. 
B)  dipeptidases. 
C)  bile salts. 
D)  chymotrypsin. 
E)  amylase.

Question 18

Which of the following vitamins is incorrectly paired with its known function?

Accepted Answer

A)  vitamin C-antioxidant 
B)  vitamin K-essential for blood clotting 
C)  folic acid-coenzyme for synthesis of nucleic acids 
D)  vitamin A-converted to retinal 
E)  panthothenic acid-promotes calcium absorption 
A)  vitamin C-antioxidant 
B)  vitamin K-essential for blood clotting 
C)  folic acid-coenzyme for synthesis of nucleic acids 
D)  vitamin A-converted to retinal 
E)  panthothenic acid-promotes calcium absorption

Question 19

The tissue containing nerves, blood, and lymph vessels in teeth is known as the:

Accepted Answer

A)  dentin. 
B)  cementum. 
C)  enamel. 
D)  tooth socket. 
E)  pulp cavity. 
A)  dentin. 
B)  cementum. 
C)  enamel. 
D)  tooth socket. 
E)  pulp cavity.

Question 20

Which of the following is not a fat-soluble vitamin?

Accepted Answer

A)  vitamin A 
B)  B-complex vitamins 
C)  vitamin D 
D)  vitamin K 
E)  vitamin E 
A)  vitamin A 
B)  B-complex vitamins 
C)  vitamin D 
D)  vitamin K 
E)  vitamin E

Exam 47: Processing Food and Nutrition

Food leaving the pharynx moves next into the stomach. ____________________

When __________ reaches the stomach, it is inactivated by the low pH.

Which of the following statements about cholesterol is true?

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 -salivary glands are found here

Which of the following types of teeth would be least prevalent and possibly absent in an herbivore?

Copper is an example of a major mineral. ____________________

Which of the following is not an example of a phytochemical?

If you take an antacid:

The correct order of the layers of tissue from the outside of the digestive system toward the lumen is:

Trypsin and chymotrypsin are secreted by the pancreas. ____________________

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 ileum is found here

Pepsinogen catalyzes the hydrolysis of proteins to short polypeptides. ____________________

From the pharynx, a bolus moves next into the:

__________ are teeth adapted primarily for tearing food.

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 -contains gastric glands

Bacteria present in the digestive tracts of some herbivores function to:

Glycogen is hydrolyzed by:

Which of the following vitamins is incorrectly paired with its known function?

The tissue containing nerves, blood, and lymph vessels in teeth is known as the:

Which of the following is not a fat-soluble vitamin?

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

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