Question 1

Figure 47-1   In Figure 47-1, dentin is labeled as number:

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 2

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 3

Parietal cells secrete pepsinogen.

Accepted Answer

A) True 
 B)False

Question 4

____ are teeth adapted primarily for piercing prey and 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 5

Which of the following is an example of an herbivore?

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 6

Which of the following statements concerning saliva is FALSE?

Accepted Answer

A)  Saliva moistens food. 
B)  Saliva is secreted by three pairs of salivary glands. 
C)  Saliva dissolves food so it can be tasted. 
D)  Saliva starts the enzymatic digestion of lipids. 
E)  Saliva starts the enzymatic digestion of starch. 
A)  Saliva moistens food. 
B)  Saliva is secreted by three pairs of salivary glands. 
C)  Saliva dissolves food so it can be tasted. 
D)  Saliva starts the enzymatic digestion of lipids. 
E)  Saliva starts the enzymatic digestion of starch.

Question 7

If leaves were the only food in your diet, you would most likely have:

Accepted Answer

A)  more incisors than premolars and molars. 
B)  fewer incisors than premolars and molars. 
C)  an equal number of incisors, premolars, and molars. 
D)  only premolars and molars. 
E)  an incomplete digestive tract. 
A)  more incisors than premolars and molars. 
B)  fewer incisors than premolars and molars. 
C)  an equal number of incisors, premolars, and molars. 
D)  only premolars and molars. 
E)  an incomplete digestive tract.

Question 8

How are amino acids absorbed by the small intestine?

Accepted Answer

A)  diffusion 
B)  facilitated diffusion 
C)  osmosis 
D)  passive transport 
E)  active transport 
A)  diffusion 
B)  facilitated diffusion 
C)  osmosis 
D)  passive transport 
E)  active transport

Question 9

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 10

Chylomicrons are protein-covered fat droplets.

Accepted Answer

A) True 
 B)False

Question 11

Folds of the stomach wall are called rugae .

Accepted Answer

A) True 
 B)False

Question 12

Omega-3 fatty acids increase LDL levels.

Accepted Answer

A) True 
 B)False

Question 13

The teeth in the very front of your mouth are incisors .

Accepted Answer

A) True 
 B)False

Question 14

An example of a complex carbohydrate is sucrose .

Accepted Answer

A) True 
 B)False

Question 15

Which statement 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)  LDLs must bind with an LDL receptor on the cell membrane to be taken up by cells. 
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)  LDLs must bind with an LDL receptor on the cell membrane to be taken up by cells. 
D)  Most plasma cholesterol is transported on HDLs or high-density lipoproteins. 
E)  Omega-3 fatty acids are thought to decrease HDL levels.

Question 16

A filter feeder is an animal that:

Accepted Answer

A)  has well-developed teeth for stabbing prey. 
B)  secretes paralyzing venom suspended in saliva. 
C)  has a symbiotic relationship with its host. 
D)  entraps food particles from water. 
E)  feeds on nectar while suspended in air. 
A)  has well-developed teeth for stabbing prey. 
B)  secretes paralyzing venom suspended in saliva. 
C)  has a symbiotic relationship with its host. 
D)  entraps food particles from water. 
E)  feeds on nectar while suspended in air.

Question 17

Briefly explain the process by which the components of a peanut butter and jelly sandwich would be absorbed once they have been broken down.

Accepted Answer

The amino acids resulting from the diges

Question 18

The stomach lining is protected by:

Accepted Answer

A)  alkaline mucus and epithelial cells. 
B)  pepsin and pepsinogen. 
C)  trypsin and chymotrypsin. 
D)  bile pigments and bile salts. 
E)  rugae and gastric glands. 
A)  alkaline mucus and epithelial cells. 
B)  pepsin and pepsinogen. 
C)  trypsin and chymotrypsin. 
D)  bile pigments and bile salts. 
E)  rugae and gastric glands.

Question 19

Most of the chemical digestion occurs in the jejunum .

Accepted Answer

A) True 
 B)False

Question 20

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.

Exam 47: Processing Food and Nutrition

Figure 47-1 In Figure 47-1, dentin is labeled as number:

The pylorus is located at the exit of the:

Parietal cells secrete pepsinogen.

____ are teeth adapted primarily for piercing prey and tearing food.

Which of the following is an example of an herbivore?

Which of the following statements concerning saliva is FALSE?

If leaves were the only food in your diet, you would most likely have:

How are amino acids absorbed by the small intestine?

From the pharynx, a bolus moves next into the:

Chylomicrons are protein-covered fat droplets.

Folds of the stomach wall are called rugae .

Omega-3 fatty acids increase LDL levels.

The teeth in the very front of your mouth are incisors .

An example of a complex carbohydrate is sucrose .

Which statement about cholesterol is TRUE?

A filter feeder is an animal that:

Briefly explain the process by which the components of a peanut butter and jelly sandwich would be absorbed once they have been broken down.

The stomach lining is protected by:

Most of the chemical digestion occurs in the jejunum .

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

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