Question 1

Antibodies are a part of our ________ immune response.

Accepted Answer

The answer of Antibodies are a part of our ________...

Question 2

The lymphocyte group that includes both CD4 receptor "helper" and CD8 receptor "killer" cells would be the:

Accepted Answer

A) macrophages. 
B) mast cells. 
C) dendritic cells. 
D) T-cells. 
E) B-cells. 
A) macrophages. 
B) mast cells. 
C) dendritic cells. 
D) T-cells. 
E) B-cells.

Question 3

B cells are the main cells of the cell-mediated pathway.

Accepted Answer

A) True 
 B)False

Question 4

Why may a transplanted organ be rejected by the immune system?

Accepted Answer

A) The organ contains different blood antigens. 
B) The immune system produces a severe allergic response. 
C) The organ contains different T cells. 
D) The organ contains different B cells. 
E) The organ has non-self surface recognition molecules. 
A) The organ contains different blood antigens. 
B) The immune system produces a severe allergic response. 
C) The organ contains different T cells. 
D) The organ contains different B cells. 
E) The organ has non-self surface recognition molecules.

Question 5

Complement proteins are antibodies produced by skin cells.

Accepted Answer

A) True 
 B)False

Question 6

Which cells in the immune system produce memory cells?

Accepted Answer

A) mast cells 
B) lymphocytes 
C) eosinophils 
D) dendritic cells 
A) mast cells 
B) lymphocytes 
C) eosinophils 
D) dendritic cells

Question 7

Which part of the immune system does not target specific microbial invaders?

Accepted Answer

A) antibodies 
B) specific defense 
C) antigens 
D) innate response 
A) antibodies 
B) specific defense 
C) antigens 
D) innate response

Question 8

The response that targets specific (and only specific)pathogens is the:

Accepted Answer

A) phagocytosis response. 
B) barrier to infection. 
C) inflammatory response. 
D) innate response. 
E) adaptive immune response. 
A) phagocytosis response. 
B) barrier to infection. 
C) inflammatory response. 
D) innate response. 
E) adaptive immune response.

Question 9

The skin serves as which type of defense against pathogens?

Accepted Answer

A) adaptive immunity 
B) protective immunity 
C) barrier to infection 
D) innate response 
E) complement 
A) adaptive immunity 
B) protective immunity 
C) barrier to infection 
D) innate response 
E) complement

Question 10

Stomach acid is one of our natural defenses against bacteria in food.

Accepted Answer

A) True 
 B)False

Question 11

The natural killer (NK)cell specializes in attacking bacteria.

Accepted Answer

A) True 
 B)False

Question 12

Infected body cells can self-identify for destruction by the immune system by:

Accepted Answer

A) placing fragments of the infectious agent on their surfaces. 
B) reshaping their membranes into a pattern that B cells recognize. 
C) secreting hormones that stimulate macrophages. 
D) releasing histamine. 
E) becoming dendritic cells. 
A) placing fragments of the infectious agent on their surfaces. 
B) reshaping their membranes into a pattern that B cells recognize. 
C) secreting hormones that stimulate macrophages. 
D) releasing histamine. 
E) becoming dendritic cells.

Question 13

Histamine causes which of the following?

Accepted Answer

A) TLR production 
B) increased permeability and dilation of blood vessels 
C) antibody production 
D) complement protein production 
E) the anti-inflammatory response 
A) TLR production 
B) increased permeability and dilation of blood vessels 
C) antibody production 
D) complement protein production 
E) the anti-inflammatory response

Question 14

Place the following in proper sequence regarding activation of the cell-mediated response: (1)dendritic cell migrates to lymph node,(2)T cells divide rapidly,(3)dendritic cell ingests pathogen,(4)CD4 and CD8 cells dock with dendritic cell,(5)dendritic cell presents antigen on its surface.

Accepted Answer

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

Question 15

B cell receptors are specific to only one antigen.

Accepted Answer

A) True 
 B)False

Question 16

Therapy involving Toll-Like Receptors may be useful in treating some autoimmune disorders and cancers.

Accepted Answer

A) True 
 B)False

Exam 29: Defending the Body: the Immune System

Antibodies are a part of our ________ immune response.

The lymphocyte group that includes both CD4 receptor "helper" and CD8 receptor "killer" cells would be the:

B cells are the main cells of the cell-mediated pathway.

Why may a transplanted organ be rejected by the immune system?

Complement proteins are antibodies produced by skin cells.

Which cells in the immune system produce memory cells?

Which part of the immune system does not target specific microbial invaders?

The response that targets specific (and only specific)pathogens is the:

The skin serves as which type of defense against pathogens?

Stomach acid is one of our natural defenses against bacteria in food.

The natural killer (NK)cell specializes in attacking bacteria.

Infected body cells can self-identify for destruction by the immune system by:

Histamine causes which of the following?

Place the following in proper sequence regarding activation of the cell-mediated response: (1)dendritic cell migrates to lymph node,(2)T cells divide rapidly,(3)dendritic cell ingests pathogen,(4)CD4 and CD8 cells dock with dendritic cell,(5)dendritic cell presents antigen on its surface.

B cell receptors are specific to only one antigen.

Therapy involving Toll-Like Receptors may be useful in treating some autoimmune disorders and cancers.

Science As a Way of Learning: a Guide to the Natural World

Fundamental Building Blocks: Chemistry, water, and Ph

Lifes Components: Biological Molecules

Lifes Home: the Cell

Lifes Border: the Plasma Membrane

Lifes Mainspring: an Introduction to Energy

Vital Harvest: Deriving Energy From Food

The Green Worlds Gift: Photosynthesis

The Links in Lifes Chain: Genetics and Cell Division

Preparing for Sexual Reproduction: Meiosis

The First Geneticist: Mendel and His Discoveries

Units of Heredity: Chromosomes and Inheritance

Passing on Lifes Information: Dna Structure and Replication

How Proteins Are Made: Genetic Transcription, translation, and Regulation

The Future Isnt What It Used to Be: Biotechnology

An Introduction to Evolution: Charles Darwin, evolutionary Thought, and the Evidence for Evolution

The Means of Evolution: Microevolution

The Outcomes of Evolution: Macroevolution

A Slow Unfolding: the History of Life on Earth

Arriving Late,traveling Far: the Evolution of Human Beings

Viruses,bacteria,archaea,and Protists: the Diversity of Life 1

Fungi: the Diversity of Life 2

Animals: the Diversity of Life 3

Plants: the Diversity of Life 4

The Angiosperms: Form and Function in Flowering Plants

Body Support and Movement: the Integumentary, skeletal, and Muscular Systems

Communication and Control 1: the Nervous System

Communication and Control 2: the Endocrine System

Transport and Exchange 1: Blood and Breath

Transport and Exchange 2: Digestion, nutrition, and Elimination

An Amazingly Detailed Script: Animal Development

How the Baby Came to Be: Human Reproduction

An Interactive Living World 1: Populations in Ecology

An Interactive Living World 2: Communities in Ecology

An Interactive Living World 3: Ecosystems and Biomes

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