Question 1

The outermost barrier to penetration by microbial invaders is the ______________.

Accepted Answer

The answer of The outermost barrier to penetration by microbial...

Question 2

All of the following are autoimmune diseases except:

Accepted Answer

A) rheumatoid arthritis 
B) lupus 
C) Graves' disease 
D) type I diabetes 
E) polio 
A) rheumatoid arthritis 
B) lupus 
C) Graves' disease 
D) type I diabetes 
E) polio

Question 3

Which of the following are not normally found in humans?

Accepted Answer

A) Monoclonal antibodies 
B) Cytotoxic T cells 
C) Helper T cells 
D) Memory T cells 
E) Macrophages 
A) Monoclonal antibodies 
B) Cytotoxic T cells 
C) Helper T cells 
D) Memory T cells 
E) Macrophages

Question 4

The self-identifying proteins on self body cells are called:

Accepted Answer

A) perforins 
B) MHC proteins 
C) plasma proteins 
D) interleukin-1 
E) interferons 
A) perforins 
B) MHC proteins 
C) plasma proteins 
D) interleukin-1 
E) interferons

Question 5

What immune response is present in vertebrates but absent in invertebrates?

Accepted Answer

A) Complement 
B) Antibody-based humoral defense 
C) Lymphocytes 
D) All of these are correct. 
A) Complement 
B) Antibody-based humoral defense 
C) Lymphocytes 
D) All of these are correct.

Question 6

A molecule that induces an immune response within an organism is called:

Accepted Answer

A) an interleukin 
B) a lymphocyte 
C) an antibody 
D) an antigen 
A) an interleukin 
B) a lymphocyte 
C) an antibody 
D) an antigen

Question 7

Modern pregnancy tests use ___________ antibodies produced against a pregnancy hormone as the antigen.

Accepted Answer

The answer of Modern pregnancy tests use ___________ antibodies produced...

Question 8

The virus that causes AIDS is the _______________ virus.

Accepted Answer

HIV,human

Question 9

Which is incorrect about HIV/AIDS?

Accepted Answer

A) The fatality rate of AIDS is 100%. 
B) The disease is highly contagious. 
C) Symptoms of AIDS usually show up years after infection. 
D) Death by cancer is likely. 
E) The virus is spread through the transfer of internal body fluids. 
A) The fatality rate of AIDS is 100%. 
B) The disease is highly contagious. 
C) Symptoms of AIDS usually show up years after infection. 
D) Death by cancer is likely. 
E) The virus is spread through the transfer of internal body fluids.

Question 10

Why has finding an effective AIDS vaccine been so difficult?

Accepted Answer

A) Because it is caused by a virus. 
B) Because they have not yet isolated the virus that causes AIDS. 
C) Because the virus constantly mutates and so vaccines need to be made for all types. 
D) The body does not make antibodies against the virus. 
E) It is a sexually transmitted virus. 
A) Because it is caused by a virus. 
B) Because they have not yet isolated the virus that causes AIDS. 
C) Because the virus constantly mutates and so vaccines need to be made for all types. 
D) The body does not make antibodies against the virus. 
E) It is a sexually transmitted virus.

Question 11

Why does the body often respond to an infection with a fever?

Accepted Answer

When macrophages encounter bacteria,they

Question 12

Which cells complete their maturation in the bone marrow?

Accepted Answer

A) Mast cell 
B) B cell 
C) T cell 
D) Monocyte 
E) Natural killer cell 
A) Mast cell 
B) B cell 
C) T cell 
D) Monocyte 
E) Natural killer cell

Question 13

The outermost layer of cells of the skin is the:

Accepted Answer

A) stratum corneum 
B) stratum granulosum 
C) stratum spinosum 
D) stratum basale (basal layer) 
A) stratum corneum 
B) stratum granulosum 
C) stratum spinosum 
D) stratum basale (basal layer)

Question 14

Describe the role of macrophages in protecting the body against disease.

Accepted Answer

Macrophages do a number of things.First,

Question 15

How is it that vertebrates are able to produce antibodies to virtually every foreign antigen with which they come in contact?

Accepted Answer

Human B cells,for example,can make betwe

Question 16

Which immunoglobulin is the first type to be made during the primary response to an antigen?

Accepted Answer

A) IgM 
B) IgG 
C) IgD 
D) IgA 
E) IgE 
A) IgM 
B) IgG 
C) IgD 
D) IgA 
E) IgE

Question 17

The chemical signal sent out by macrophages to mobilize the immune system is:

Accepted Answer

A) interferon 
B) perforin 
C) interleukin-2 
D) interleukin-1 
A) interferon 
B) perforin 
C) interleukin-2 
D) interleukin-1

Question 18

_______________________ is an autoimmune disease.

Accepted Answer

A) Polio 
B) Herpes 
C) Multiple sclerosis 
D) Melanoma 
A) Polio 
B) Herpes 
C) Multiple sclerosis 
D) Melanoma

Question 19

The two major phagocytic cells of the body are:

Accepted Answer

A) macrophages and neutrophils 
B) B cells and T cells 
C) mast cells and natural killer cells 
D) B cells and neutrophils 
E) plasma cells and monocytes 
A) macrophages and neutrophils 
B) B cells and T cells 
C) mast cells and natural killer cells 
D) B cells and neutrophils 
E) plasma cells and monocytes

Question 20

Which of the following cells do not kill cells directly?

Accepted Answer

A) B cells 
B) T cells 
C) Macrophages 
D) Neutrophils 
E) Natural killer cells 
A) B cells 
B) T cells 
C) Macrophages 
D) Neutrophils 
E) Natural killer cells

Exam 27: How the Animal Body Defends Itself

The outermost barrier to penetration by microbial invaders is the ______________.

All of the following are autoimmune diseases except:

Which of the following are not normally found in humans?

The self-identifying proteins on self body cells are called:

What immune response is present in vertebrates but absent in invertebrates?

A molecule that induces an immune response within an organism is called:

Modern pregnancy tests use ___________ antibodies produced against a pregnancy hormone as the antigen.

The virus that causes AIDS is the _______________ virus.

Which is incorrect about HIV/AIDS?

Why has finding an effective AIDS vaccine been so difficult?

Why does the body often respond to an infection with a fever?

Which cells complete their maturation in the bone marrow?

The outermost layer of cells of the skin is the:

Describe the role of macrophages in protecting the body against disease.

How is it that vertebrates are able to produce antibodies to virtually every foreign antigen with which they come in contact?

Which immunoglobulin is the first type to be made during the primary response to an antigen?

The chemical signal sent out by macrophages to mobilize the immune system is:

_______________________ is an autoimmune disease.

The two major phagocytic cells of the body are:

Which of the following cells do not kill cells directly?

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How Cells Harvest Energy From Food

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How Genes Work

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Prokaryotes: the First Single-Celled Creatures

Protists: Advent of the Eukaryotes

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