Question 1

The most abundant phagocytes in our immune system arsenal are the

Accepted Answer

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

Question 2

Which of the following is NOT true of complement proteins?

Accepted Answer

A)  they are part of the third line of defense 
B)  they may be activated by antigens 
C)  they can activate other complement proteins 
D)  some bind to pathogens making them a target for phagocytosis 
E)  all of these are NOT true of complement proteins 
A)  they are part of the third line of defense 
B)  they may be activated by antigens 
C)  they can activate other complement proteins 
D)  some bind to pathogens making them a target for phagocytosis 
E)  all of these are NOT true of complement proteins

Question 3

Four of the five choices below are innate immune responses.Select the EXCEPTION.

Accepted Answer

A)  antibody production 
B)  phagocytosis 
C)  complement action 
D)  inflammation 
E)  fever 
A)  antibody production 
B)  phagocytosis 
C)  complement action 
D)  inflammation 
E)  fever

Question 4

Inflammation

Accepted Answer

A)  is triggered by activated complement. 
B)  is a non-specific, local response. 
C)  results in redness due to increased blood flow. 
D)  results in swelling due to diffusion of water into the tissue. 
E)  is true of all of these. 
A)  is triggered by activated complement. 
B)  is a non-specific, local response. 
C)  results in redness due to increased blood flow. 
D)  results in swelling due to diffusion of water into the tissue. 
E)  is true of all of these.

Question 5

Classification.The statements ask about immunity.For each statement,select the best choice from the following list.
-immune response that targets one's own cells

Accepted Answer

A) innate immunity 
B) antibody-mediated immunity 
C) adaptive immunity 
D) cell-mediated immunity 
E) autoimmunity 
A) innate immunity 
B) antibody-mediated immunity 
C) adaptive immunity 
D) cell-mediated immunity 
E) autoimmunity

Question 6

These white blood cells are in interstitial fluid,phagocytize almost everything except uninjured body cells,and secrete cytokine which alerts the adaptive immune system to threats.These white blood cells are

Accepted Answer

A)  neutrophils. 
B)  macrophages. 
C)  T lymphocytes. 
D)  dendritic cells. 
E)  eosinophils. 
A)  neutrophils. 
B)  macrophages. 
C)  T lymphocytes. 
D)  dendritic cells. 
E)  eosinophils.

Question 7

In mammals,the binding of an antigen to a cell's receptors directly activates

Accepted Answer

A)  complement proteins. 
B)  adaptive immunity. 
C)  PAMPs. 
D)  genes on DNA. 
E)  killer T cells. 
A)  complement proteins. 
B)  adaptive immunity. 
C)  PAMPs. 
D)  genes on DNA. 
E)  killer T cells.

Question 8

The cervix is

Accepted Answer

A)  the upper part of the uterus. 
B)  the lowest part of the bladder. 
C)  the lowest part of the uterus. 
D)  connected to the fallopian tubes. 
E)  the entire uterus. 
A)  the upper part of the uterus. 
B)  the lowest part of the bladder. 
C)  the lowest part of the uterus. 
D)  connected to the fallopian tubes. 
E)  the entire uterus.

Question 9

Match the white blood cell with its description.
-degranulates in response to injury or antigens; stay anchored in tissues

Accepted Answer

A) macrophage 
B) neutrophil 
C) T lymphocyte 
D) B lymphocyte 
E) mast cell
F)dendritic cell 
A) macrophage 
B) neutrophil 
C) T lymphocyte 
D) B lymphocyte 
E) mast cell
F)dendritic cell

Question 10

____ are enzymes found in the ____ secreted by cells lining the body's interior tubes and cavities.

Accepted Answer

A)  Lysozymes; proteins 
B)  Peroxidases; acid 
C)  ATPases; mucus 
D)  Lysozymes; mucus 
E)  Peroxidases; mucus 
A)  Lysozymes; proteins 
B)  Peroxidases; acid 
C)  ATPases; mucus 
D)  Lysozymes; mucus 
E)  Peroxidases; mucus

Question 11

HIV can be transmitted by

Accepted Answer

A)  unprotected sex. 
B)  sharing needles. 
C)  mother to infant during pregnancy. 
D)  mother to infant during breast feeding. 
E)  all of these. 
A)  unprotected sex. 
B)  sharing needles. 
C)  mother to infant during pregnancy. 
D)  mother to infant during breast feeding. 
E)  all of these.

Question 12

In order to activate the cell mediated arm of the adaptive immune response,which of the following must occur?

Accepted Answer

A)  A naïve helper T cell must bind to an antigen-presenting dendritic cell. 
B)  A naïve B cell must be activated in order to activate the effector helper T cell. 
C)  A free bacterium must pass through a lymph node where it will directly activate the effector helper T cell. 
D)  A damaged or infected body cell must pass through a lymph node in order to activate T cells. 
E)  None of these will activate the cell mediate arm. 
A)  A naïve helper T cell must bind to an antigen-presenting dendritic cell. 
B)  A naïve B cell must be activated in order to activate the effector helper T cell. 
C)  A free bacterium must pass through a lymph node where it will directly activate the effector helper T cell. 
D)  A damaged or infected body cell must pass through a lymph node in order to activate T cells. 
E)  None of these will activate the cell mediate arm.

Question 13

Which of the following is NOT true of antibodies?

Accepted Answer

A)  they are secreted by B cells and T cells 
B)  they are Y shaped 
C)  they activate complement 
D)  they facilitate phagocytosis 
E)  they bind to specific antigens 
A)  they are secreted by B cells and T cells 
B)  they are Y shaped 
C)  they activate complement 
D)  they facilitate phagocytosis 
E)  they bind to specific antigens

Question 14

Four of the five choices below are components of the human lymphatic system.Select the EXCEPTION.

Accepted Answer

A)  spleen 
B)  pancreas 
C)  tonsils 
D)  lymph nodes 
E)  thymus 
A)  spleen 
B)  pancreas 
C)  tonsils 
D)  lymph nodes 
E)  thymus

Question 15

VLPs

Accepted Answer

A)  carry no viral DNA. 
B)  are not infectious. 
C)  are antigenic and will elicit an immune response. 
D)  are produced by recombinant yeast. 
E)  are described by all of these. 
A)  carry no viral DNA. 
B)  are not infectious. 
C)  are antigenic and will elicit an immune response. 
D)  are produced by recombinant yeast. 
E)  are described by all of these.

Question 16

With which of the following chemicals do white blood cells communicate with each other?

Accepted Answer

A)  complement proteins 
B)  cytokine 
C)  hydrogen peroxide 
D)  methicillin 
E)  lysozyme 
A)  complement proteins 
B)  cytokine 
C)  hydrogen peroxide 
D)  methicillin 
E)  lysozyme

Question 17

Which of the following is a phagocyte that acts to inform the adaptive immune system of antigens?

Accepted Answer

A)  macrophages 
B)  monocytes 
C)  neutrophils 
D)  dendritic cells 
E)  eosinophils 
A)  macrophages 
B)  monocytes 
C)  neutrophils 
D)  dendritic cells 
E)  eosinophils

Question 18

MHC markers are

Accepted Answer

A)  a type of PAMP. 
B)  special receptors on T cells. 
C)  self proteins on body cells. 
D)  antibodies attached to a B cell plasma membrane. 
E)  Y-shaped proteins secreted by B cells. 
A)  a type of PAMP. 
B)  special receptors on T cells. 
C)  self proteins on body cells. 
D)  antibodies attached to a B cell plasma membrane. 
E)  Y-shaped proteins secreted by B cells.

Question 19

The bacterium that in part causes acne feeds on

Accepted Answer

A)  saliva. 
B)  sudor. 
C)  sebum. 
D)  surface bacteria. 
E)  more than one of these. 
A)  saliva. 
B)  sudor. 
C)  sebum. 
D)  surface bacteria. 
E)  more than one of these.

Question 20

In which of the following places would you find the largest concentrations of normal flora?

Accepted Answer

A)  armpits 
B)  between the toes 
C)  mouth 
D)  stomach fluids 
E)  hair 
A)  armpits 
B)  between the toes 
C)  mouth 
D)  stomach fluids 
E)  hair

Exam 22: Immunity

The most abundant phagocytes in our immune system arsenal are the

Which of the following is NOT true of complement proteins?

Four of the five choices below are innate immune responses.Select the EXCEPTION.

Inflammation

Classification.The statements ask about immunity.For each statement,select the best choice from the following list. -immune response that targets one's own cells

These white blood cells are in interstitial fluid,phagocytize almost everything except uninjured body cells,and secrete cytokine which alerts the adaptive immune system to threats.These white blood cells are

In mammals,the binding of an antigen to a cell's receptors directly activates

The cervix is

Match the white blood cell with its description. -degranulates in response to injury or antigens; stay anchored in tissues

____ are enzymes found in the ____ secreted by cells lining the body's interior tubes and cavities.

HIV can be transmitted by

In order to activate the cell mediated arm of the adaptive immune response,which of the following must occur?

Which of the following is NOT true of antibodies?

Four of the five choices below are components of the human lymphatic system.Select the EXCEPTION.

VLPs

With which of the following chemicals do white blood cells communicate with each other?

Which of the following is a phagocyte that acts to inform the adaptive immune system of antigens?

MHC markers are

The bacterium that in part causes acne feeds on

In which of the following places would you find the largest concentrations of normal flora?

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters

are enzymes found in the secreted by cells lining the body's interior tubes and cavities.