Question 1

All but which of the following can be called a pathogen?

Accepted Answer

A)  virus 
B)  bacterium 
C)  fungus 
D)  cancer 
E)  protozoan 
A)  virus 
B)  bacterium 
C)  fungus 
D)  cancer 
E)  protozoan

Question 2

Becoming infected by a pathogen after contact with body fluids is considered

Accepted Answer

A)  direct contact. 
B)  indirect contact. 
C)  inhalation contact. 
D)  contact with a vector. 
E)  retro-contact. 
A)  direct contact. 
B)  indirect contact. 
C)  inhalation contact. 
D)  contact with a vector. 
E)  retro-contact.

Question 3

Which antibody may help activate helper T cells?

Accepted Answer

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

Question 4

Which of the following white blood cells accounts for about two-thirds of all white blood cells?

Accepted Answer

A)  neutrophils 
B)  basophils 
C)  eosinophils 
D)  dendritic cells 
E)  B and T lymphocytes 
A)  neutrophils 
B)  basophils 
C)  eosinophils 
D)  dendritic cells 
E)  B and T lymphocytes

Question 5

Mucus contains an enzyme called ____ that chemically attacks and kills bacteria.

Accepted Answer

A)  lysozyme 
B)  peroxide 
C)  lipase 
D)  lactase 
E)  protease 
A)  lysozyme 
B)  peroxide 
C)  lipase 
D)  lactase 
E)  protease

Question 6

The greatest number of AIDS cases has occurred in

Accepted Answer

A)  North America. 
B)  The Caribbean Islands. 
C)  Latin America. 
D)  Sub-Saharan Africa. 
E)  East Asia. 
A)  North America. 
B)  The Caribbean Islands. 
C)  Latin America. 
D)  Sub-Saharan Africa. 
E)  East Asia.

Question 7

Selecting the Exception Four of the five answers listed below are characteristic reactions of the complement system to invaders. Select the exception.

Accepted Answer

A)  causes an amplifying cascade of reactions to invaders 
B)  triggers the secretion of histamines 
C)  causes invading cells to lyse 
D)  enhances the recognition of invaders by phagocytes 
E)  creates gradients that attract phagocytes 
A)  causes an amplifying cascade of reactions to invaders 
B)  triggers the secretion of histamines 
C)  causes invading cells to lyse 
D)  enhances the recognition of invaders by phagocytes 
E)  creates gradients that attract phagocytes

Question 8

The markers that identify an individual's cells are referred to by the letters

Accepted Answer

A)  MHC. 
B)  HTC. 
C)  ADS. 
D)  RSW. 
E)  AKA. 
A)  MHC. 
B)  HTC. 
C)  ADS. 
D)  RSW. 
E)  AKA.

Question 9

Antibody-mediated immunity is created by

Accepted Answer

A)  "killer" T cells. 
B)  dendritic cells. 
C)  helper T cells. 
D)  B cells. 
E)  phagocytes. 
A)  "killer" T cells. 
B)  dendritic cells. 
C)  helper T cells. 
D)  B cells. 
E)  phagocytes.

Question 10

Pathogens spread by

Accepted Answer

A)  direct contact. 
B)  indirect contact. 
C)  inhalation. 
D)  contact with a vector. 
E)  all of these 
A)  direct contact. 
B)  indirect contact. 
C)  inhalation. 
D)  contact with a vector. 
E)  all of these

Question 11

Passive immunization

Accepted Answer

A)  causes antibody formation. 
B)  is the administration of already formed antibodies from another source. 
C)  is used to prevent a person from becoming infected. 
D)  has a long lasting helpful effect. 
E)  is the same thing as immunotherapy. 
A)  causes antibody formation. 
B)  is the administration of already formed antibodies from another source. 
C)  is used to prevent a person from becoming infected. 
D)  has a long lasting helpful effect. 
E)  is the same thing as immunotherapy.

Question 12

What stimulates activation of B and T cells?

Accepted Answer

A)  cell recognition of an antigen 
B)  production of complement 
C)  histamine production 
D)  lysozyme release 
E)  cytokine production 
A)  cell recognition of an antigen 
B)  production of complement 
C)  histamine production 
D)  lysozyme release 
E)  cytokine production

Question 13

A virus that uses RNA to make DNA is referred to as a(n)

Accepted Answer

A)  retrovirus. 
B)  archaevirus. 
C)  parvovirus. 
D)  poxvirus. 
E)  papovavirus. 
A)  retrovirus. 
B)  archaevirus. 
C)  parvovirus. 
D)  poxvirus. 
E)  papovavirus.

Question 14

Genetically programmed cell death is known as

Accepted Answer

A)  apoptosis. 
B)  hemolysis. 
C)  autolysis. 
D)  hemoptysis. 
E)  hematemesis. 
A)  apoptosis. 
B)  hemolysis. 
C)  autolysis. 
D)  hemoptysis. 
E)  hematemesis.

Question 15

Plasma cells come from

Accepted Answer

A)  T cells. 
B)  dendritic cells. 
C)  B cells. 
D)  macrophages. 
E)  monocytes. 
A)  T cells. 
B)  dendritic cells. 
C)  B cells. 
D)  macrophages. 
E)  monocytes.

Question 16

The complement system includes all of the following EXCEPT

Accepted Answer

A)  a group of several plasma proteins. 
B)  induces a cascade of proteins that counteract invasion by coating the invading cells. 
C)  attracts phagocytic leukocytes to attack invading cells. 
D)  causes the lysis of the plasma membranes of invading cells. 
E)  blocks the virus from entering into healthy cells. 
A)  a group of several plasma proteins. 
B)  induces a cascade of proteins that counteract invasion by coating the invading cells. 
C)  attracts phagocytic leukocytes to attack invading cells. 
D)  causes the lysis of the plasma membranes of invading cells. 
E)  blocks the virus from entering into healthy cells.

Question 17

Large amounts of antibodies produced for commercial use are called

Accepted Answer

A)  monoclonal antibodies. 
B)  myeloma cells. 
C)  interferons. 
D)  clones. 
E)  hybridoma cells. 
A)  monoclonal antibodies. 
B)  myeloma cells. 
C)  interferons. 
D)  clones. 
E)  hybridoma cells.

Question 18

The emergency treatment for anaphylactic shock is an injection of

Accepted Answer

A)  glucose. 
B)  epinephrine. 
C)  serotonin. 
D)  dopamine. 
E)  histamine. 
A)  glucose. 
B)  epinephrine. 
C)  serotonin. 
D)  dopamine. 
E)  histamine.

Question 19

Which of the following white blood cells targets worms and fungi?

Accepted Answer

A)  neutrophils 
B)  basophils 
C)  eosinophils 
D)  dendritic cells 
E)  B and T lymphocytes 
A)  neutrophils 
B)  basophils 
C)  eosinophils 
D)  dendritic cells 
E)  B and T lymphocytes

Question 20

Cell-mediated immunity is associated with

Accepted Answer

A)  "killer" T cells. 
B)  dendritic cells. 
C)  helper T cells. 
D)  B cells. 
E)  phagocytes. 
A)  "killer" T cells. 
B)  dendritic cells. 
C)  helper T cells. 
D)  B cells. 
E)  phagocytes.

Exam 9: Immunity and Disease

All but which of the following can be called a pathogen?

Becoming infected by a pathogen after contact with body fluids is considered

Which antibody may help activate helper T cells?

Which of the following white blood cells accounts for about two-thirds of all white blood cells?

Mucus contains an enzyme called ____ that chemically attacks and kills bacteria.

The greatest number of AIDS cases has occurred in

Selecting the Exception Four of the five answers listed below are characteristic reactions of the complement system to invaders. Select the exception.

The markers that identify an individual's cells are referred to by the letters

Antibody-mediated immunity is created by

Pathogens spread by

Passive immunization

What stimulates activation of B and T cells?

A virus that uses RNA to make DNA is referred to as a(n)

Genetically programmed cell death is known as

Plasma cells come from

The complement system includes all of the following EXCEPT

Large amounts of antibodies produced for commercial use are called

The emergency treatment for anaphylactic shock is an injection of

Which of the following white blood cells targets worms and fungi?

Cell-mediated immunity is associated with

Learning About Human Biology

Chemistry of Life

Cells and How They Work

Tissues, Organs, and Organ Systems

The Skeletal System

The Muscular System

Circulation: the Heart and Blood Vessels

Blood

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Sensory Systems

The Endocrine System

Reproductive Systems

Development and Aging

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Introduction to Genetics

Chromosomes and Human Genetics

DNA, Genes, and Biotechnology

Genes and Disease: Cancer

Principles of Evolution

Principles of Ecology

Human Impacts on the Biosphere

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