Question 1

Phagocytes patrol the body's tissues and ingest invading microbes. Phagocytic cells include macrophages, dendritic cells, and .

Accepted Answer

The answer of Phagocytes patrol the body's tissues and ingest...

Question 2

Allergies occur when

Accepted Answer

A)  antibodies malfunction and attack "self" cells. 
B)  too much complement is released into the blood. 
C)  mast cells release histamine in response to harmless substances. 
D)  foreign MHC proteins trigger an immune response. 
A)  antibodies malfunction and attack "self" cells. 
B)  too much complement is released into the blood. 
C)  mast cells release histamine in response to harmless substances. 
D)  foreign MHC proteins trigger an immune response.

Question 3

Why is it sometimes a disadvantage to take aspirin to reduce a fever?

Accepted Answer

A)  Aspirin reduces the fever and therefore decreases the activity of phagocytic white blood cells. 
B)  Aspirin reduces the production of toxins so that you feel better, even though you are still sick and need to rest. 
C)  Aspirin makes you irritable and fatigued. 
D)  Aspirin reduces the fever and stimulates a dangerous inflammatory response. 
A)  Aspirin reduces the fever and therefore decreases the activity of phagocytic white blood cells. 
B)  Aspirin reduces the production of toxins so that you feel better, even though you are still sick and need to rest. 
C)  Aspirin makes you irritable and fatigued. 
D)  Aspirin reduces the fever and stimulates a dangerous inflammatory response.

Question 4

Based on this figure, when does the maximum immune response occur?

Accepted Answer

A)  1 week after the third exposure 
B)  Between 2 and 3 weeks after the first exposure 
C)  1 week after the first exposure 
D)  Between 1 and 2 weeks after the second exposure 
E)  Within 1 week of the second exposure 
A)  1 week after the third exposure 
B)  Between 2 and 3 weeks after the first exposure 
C)  1 week after the first exposure 
D)  Between 1 and 2 weeks after the second exposure 
E)  Within 1 week of the second exposure

Question 5

What three steps do all adaptive immune responses include?

Accepted Answer

(1) Lymphocytes recognize the

Question 6

Antibodies are most similar in structure to

Accepted Answer

A)  viruses. 
B)  T- cell receptors. 
C)  bacteria. 
D)  B- cell receptors. 
E)  macrophages. 
A)  viruses. 
B)  T- cell receptors. 
C)  bacteria. 
D)  B- cell receptors. 
E)  macrophages.

Question 7

Chemotherapy drugs make patients nauseous because they

Accepted Answer

A)  stimulate stomach acid production. 
B)  interfere with the brain's interpretation of sensory input. 
C)  cause fever, which can trigger nausea. 
D)  attack rapidly dividing cells, including those lining the digestive tract. 
A)  stimulate stomach acid production. 
B)  interfere with the brain's interpretation of sensory input. 
C)  cause fever, which can trigger nausea. 
D)  attack rapidly dividing cells, including those lining the digestive tract.

Question 8

Who first performed vaccinations by inoculating children with cowpox virus to provide immunity against smallpox?

Accepted Answer

A)  Lady Montague 
B)  Louis Pasteur 
C)  Edward Jenner 
D)  Milkmaids 
A)  Lady Montague 
B)  Louis Pasteur 
C)  Edward Jenner 
D)  Milkmaids

Question 9

List the events that occur in an allergic reaction.

Accepted Answer

(1) Allergen binds to antibodies on spec

Question 10

Cells that produce antibodies and provide future immunity against similar pathogens are

Accepted Answer

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

Question 11

Some of the daughter cells resulting from clonal selection of a B cell differentiate into plasma cells. Which of these is a function of plasma cells?

Accepted Answer

A)  They act as natural killer cells and destroy cancer cells. 
B)  They transform into helper T cells and bind to antigens displayed by a dendritic cell. 
C)  They are responsible for cell- mediated immunity. 
D)  They produce specific antibodies and release them into the blood. 
A)  They act as natural killer cells and destroy cancer cells. 
B)  They transform into helper T cells and bind to antigens displayed by a dendritic cell. 
C)  They are responsible for cell- mediated immunity. 
D)  They produce specific antibodies and release them into the blood.

Question 12

Which of the following provides cell- mediated immunity?

Accepted Answer

A)  Antibodies 
B)  T cells 
C)  Red blood cells 
D)  B cells 
A)  Antibodies 
B)  T cells 
C)  Red blood cells 
D)  B cells

Question 13

B cells mature in the bone marrow, whereas T cells migrate to the gland early in embryonic life, where they mature.

Accepted Answer

The answer of B cells mature in the bone marrow,...

Question 14

Which of the following is NOT part of the body's first line of defense against microbial attack?

Accepted Answer

A)  Phagocytes 
B)  Skin 
C)  Mucus 
D)  Stomach acid 
E)  Lysozyme 
A)  Phagocytes 
B)  Skin 
C)  Mucus 
D)  Stomach acid 
E)  Lysozyme

Question 15

You were sick with the flu last winter. Why then does your doctor suggest you be vaccinated against the flu this year?

Accepted Answer

A)  Flu viruses mutate rapidly. 
B)  The virus inactivates helper T cells. 
C)  The virus blocked your immune system's ability to produce memory cells. 
D)  Surviving the flu one year inhibits the immune system the second year. 
A)  Flu viruses mutate rapidly. 
B)  The virus inactivates helper T cells. 
C)  The virus blocked your immune system's ability to produce memory cells. 
D)  Surviving the flu one year inhibits the immune system the second year.

Question 16

These white blood cells kill virus- infected cells exhibiting "non- self" major histocompatibility complex (MHC) proteins.

Accepted Answer

A)  Neutrophils 
B)  Dendritic cells 
C)  Plasma cells 
D)  Macrophages 
E)  Natural killer cells 
A)  Neutrophils 
B)  Dendritic cells 
C)  Plasma cells 
D)  Macrophages 
E)  Natural killer cells

Question 17

A student athlete suffered an injury while playing softball and subsequently has pain in her shoulder. Her doctor prescribes cortisone, a strong anti- inflammatory steroid. When filling the prescription, the pharmacist wa her that an increased risk of contracting a bacterial infection, such as pneumonia, is associated with the use of ste Based on your knowledge of the immune system and on the information in this scenario, what do you conclude anti- inflammatory steroids?

Accepted Answer

A)  They interfere with mast cell function. 
B)  They stimulate bacterial reproduction. 
C)  They cause a temporary condition similar to an autoimmune disease. 
D)  They inhibit a part of the nonspecific immune response. 
A)  They interfere with mast cell function. 
B)  They stimulate bacterial reproduction. 
C)  They cause a temporary condition similar to an autoimmune disease. 
D)  They inhibit a part of the nonspecific immune response.

Question 18

IgD, IgM, IgG, IgA, and IgE are types of white blood cells.

Accepted Answer

A) True 
 B)False

Question 19

cells are immune system cells that mature in the bone marrow.

Accepted Answer

A)  B 
B)  Memory 
C)  Helper T 
D)  Cytotoxic T 
A)  B 
B)  Memory 
C)  Helper T 
D)  Cytotoxic T

Question 20

MHC proteins

Accepted Answer

A)  control antibody gene expression. 
B)  cause cancer. 
C)  are released by T cells during an infection to kill virus- infected cells. 
D)  help white blood cells distinguish "self" from "non- self." 
A)  control antibody gene expression. 
B)  cause cancer. 
C)  are released by T cells during an infection to kill virus- infected cells. 
D)  help white blood cells distinguish "self" from "non- self."

Exam 37: Defenses Against Disease

Phagocytes patrol the body's tissues and ingest invading microbes. Phagocytic cells include macrophages, dendritic cells, and .

Allergies occur when

Why is it sometimes a disadvantage to take aspirin to reduce a fever?

Based on this figure, when does the maximum immune response occur?

What three steps do all adaptive immune responses include?

Antibodies are most similar in structure to

Chemotherapy drugs make patients nauseous because they

Who first performed vaccinations by inoculating children with cowpox virus to provide immunity against smallpox?

List the events that occur in an allergic reaction.

Cells that produce antibodies and provide future immunity against similar pathogens are

Some of the daughter cells resulting from clonal selection of a B cell differentiate into plasma cells. Which of these is a function of plasma cells?

Which of the following provides cell- mediated immunity?

B cells mature in the bone marrow, whereas T cells migrate to the gland early in embryonic life, where they mature.

Which of the following is NOT part of the body's first line of defense against microbial attack?

You were sick with the flu last winter. Why then does your doctor suggest you be vaccinated against the flu this year?

These white blood cells kill virus- infected cells exhibiting "non- self" major histocompatibility complex (MHC) proteins.

IgD, IgM, IgG, IgA, and IgE are types of white blood cells.

cells are immune system cells that mature in the bone marrow.

MHC proteins

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

Cellular Reproduction

Meiosis: the Basis of Sexual 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 Amid 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

Energy Flow and Nutrient Cycling in Ecosystems

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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