Question 1

It is likely that a hospitalized patient with a high lymphocyte count has some type of infection. True or False?

Accepted Answer

A) True 
 B)False

Question 2

Life-long immunity to a disease after a vaccination is due to the presence of ________ cells.

Accepted Answer

A) helper T 
B) killer T 
C) memory 
D) red blood 
A) helper T 
B) killer T 
C) memory 
D) red blood

Question 3

Which of the following provides cell-mediated immunity?

Accepted Answer

A) B cells 
B) antibodies 
C) T cells 
D) red blood cells 
A) B cells 
B) antibodies 
C) T cells 
D) red blood cells

Question 4

Vaccinations are effective because they stimulate the production of ________ cells.

Accepted Answer

A) memory 
B) plasma 
C) cytotoxic T 
D) helper T 
A) memory 
B) plasma 
C) cytotoxic T 
D) helper T

Question 5

Which of the following is an example of a nonspecific response to infection?

Accepted Answer

A) T cells 
B) antibodies 
C) fever 
D) B cells 
A) T cells 
B) antibodies 
C) fever 
D) B cells

Question 6

Briefly explain why children born with SCID often do not experience infection for several months after birth.

Accepted Answer

Antibodies from the

Question 7

What are antibodies?

Accepted Answer

A) bacteria 
B) viruses 
C) proteins produced by B cells that bind to foreign proteins 
D) proteins produced by T cells that bind to foreign proteins 
E) cells that undergo apoptosis 
A) bacteria 
B) viruses 
C) proteins produced by B cells that bind to foreign proteins 
D) proteins produced by T cells that bind to foreign proteins 
E) cells that undergo apoptosis

Question 8

What are the functions of helper T cells?

Accepted Answer

They stimulate the cellular di

Question 9

"Big eater" cells that ingest and destroy microbes are:

Accepted Answer

A) macrophages. 
B) natural killer cells. 
C) plasma cells. 
D) mast cells. 
E) T cells. 
A) macrophages. 
B) natural killer cells. 
C) plasma cells. 
D) mast cells. 
E) T cells.

Question 10

As part of the ________ defense system of the body, the skin produces sweat, which inhibits the growth of bacteria and fungi.

Accepted Answer

nonspecifi

Question 11

Nonspecific internal defenses include:

Accepted Answer

A) tears and saliva. 
B) inflammation. 
C) adaptive immune system. 
D) skin. 
E) plasma cells. 
A) tears and saliva. 
B) inflammation. 
C) adaptive immune system. 
D) skin. 
E) plasma cells.

Question 12

HIV and SCID are called ________ diseases.

Accepted Answer

The answer of HIV and SCID are called ________ diseases....

Question 13

How does the skin act as a barrier to microbial invasion?

Accepted Answer

A) Its moist surface slows bacterial growth. 
B) The dead skin cells contain bacterial nutrients. 
C) Secretions from sweat glands and sebaceous glands inhibit bacterial growth. 
D) It releases B cells and T cells to fight infections. 
A) Its moist surface slows bacterial growth. 
B) The dead skin cells contain bacterial nutrients. 
C) Secretions from sweat glands and sebaceous glands inhibit bacterial growth. 
D) It releases B cells and T cells to fight infections.

Question 14

The cells that target the MHC proteins on another cell are:

Accepted Answer

A) neutrophils. 
B) dendritic cells. 
C) macrophages. 
D) natural killer cells. 
E) plasma cells. 
A) neutrophils. 
B) dendritic cells. 
C) macrophages. 
D) natural killer cells. 
E) plasma cells.

Question 15

Which of the following predictions is the most accurate about a person who has normal external barriers and specific internal defenses but lacks nonspecific internal defenses?

Accepted Answer

A) He will have many more infections than normal. 
B) He won't be able to build immunity to microbes. 
C) He won't be any different because the external barriers will keep out pathogens. 
D) He won't be any different because the specific defenses will kill invading pathogens. 
A) He will have many more infections than normal. 
B) He won't be able to build immunity to microbes. 
C) He won't be any different because the external barriers will keep out pathogens. 
D) He won't be any different because the specific defenses will kill invading pathogens.

Question 16

When AIDS patients die, it is because:

Accepted Answer

A) their lack of immune response leads to other serious infections. 
B) they lack HIV antibodies. 
C) there are no drugs that slow the progress of the disease. 
D) the AIDS virus has a high rate of mutation. 
E) HIV destroys the internal organs. 
A) their lack of immune response leads to other serious infections. 
B) they lack HIV antibodies. 
C) there are no drugs that slow the progress of the disease. 
D) the AIDS virus has a high rate of mutation. 
E) HIV destroys the internal organs.

Question 17

The genes for antibody parts:

Accepted Answer

A) do not undergo mutation. 
B) represent about half of all human genes. 
C) are different for the constant and variable regions of the antibody. 
D) are all on the same chromosome. 
E) are in the shape of a Y. 
A) do not undergo mutation. 
B) represent about half of all human genes. 
C) are different for the constant and variable regions of the antibody. 
D) are all on the same chromosome. 
E) are in the shape of a Y.

Question 18

Which of the following can make plasma cells?

Accepted Answer

A) B cells only 
B) T cells only 
C) both B and T cells 
D) any white blood cells 
A) B cells only 
B) T cells only 
C) both B and T cells 
D) any white blood cells

Question 19

Foreign proteins that bind to an antibody are called:

Accepted Answer

A) cytotoxins. 
B) histamines. 
C) interferons. 
D) antigens. 
A) cytotoxins. 
B) histamines. 
C) interferons. 
D) antigens.

Question 20

All bacteria, viruses, and protists, as well as some fungi, are:

Accepted Answer

A) antibodies. 
B) microbes. 
C) pathogens. 
D) causes of cancer. 
E) plasma cells. 
A) antibodies. 
B) microbes. 
C) pathogens. 
D) causes of cancer. 
E) plasma cells.

Exam 36: Defenses Against Disease

It is likely that a hospitalized patient with a high lymphocyte count has some type of infection. True or False?

Life-long immunity to a disease after a vaccination is due to the presence of ________ cells.

Which of the following provides cell-mediated immunity?

Vaccinations are effective because they stimulate the production of ________ cells.

Which of the following is an example of a nonspecific response to infection?

Briefly explain why children born with SCID often do not experience infection for several months after birth.

What are antibodies?

What are the functions of helper T cells?

"Big eater" cells that ingest and destroy microbes are:

As part of the ________ defense system of the body, the skin produces sweat, which inhibits the growth of bacteria and fungi.

Nonspecific internal defenses include:

HIV and SCID are called ________ diseases.

How does the skin act as a barrier to microbial invasion?

The cells that target the MHC proteins on another cell are:

Which of the following predictions is the most accurate about a person who has normal external barriers and specific internal defenses but lacks nonspecific internal defenses?

When AIDS patients die, it is because:

The genes for antibody parts:

Which of the following can make plasma cells?

Foreign proteins that bind to an antibody are called:

All bacteria, viruses, and protists, as well as some fungi, are:

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

The Continuity of Life: Cellular Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amidst Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

How Do Ecosystems Work

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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