Question 1

Match each term with the most appropriate statement.
-natural killer cells

Accepted Answer

A) cells originating from antigen-presenting dendritic cells, activates other lymphocytes in an adaptive immune response 
B) cells that directly destroy body cells already infected by viral or fungal parasites, as well as mutant and cancerous cells 
C) lymphocytes that are held in reserve, circulate in the bloodstream, and enable a rapid response to subsequent encounters with the same invader 
D) coats invading cells to facilitate its phagocytosis; also punctures their cell membrane 
E) antibody-manufacturing cells that are produced and mature in the bone marrow
F)able to destroy cells but not dependent on recognition of antigen-MHC complexes
G)a class of proteins that help cells of the immune system communicate
H)"big eaters" that alert other lymphocytes to the invasion of specific antigens
I)lymphocyte that has never bound to an antigen
J)a group of cells that are all produced asexually from one original parent cell
K)surface patterns of nonself molecules or particles
L)proteins released by cytotoxic T cells to destroy target cell membranes
M)preparation injected into the body to elicit a secondary immune response
N)the AIDs virus represses the expression of these 
A) cells originating from antigen-presenting dendritic cells, activates other lymphocytes in an adaptive immune response 
B) cells that directly destroy body cells already infected by viral or fungal parasites, as well as mutant and cancerous cells 
C) lymphocytes that are held in reserve, circulate in the bloodstream, and enable a rapid response to subsequent encounters with the same invader 
D) coats invading cells to facilitate its phagocytosis; also punctures their cell membrane 
E) antibody-manufacturing cells that are produced and mature in the bone marrow
F)able to destroy cells but not dependent on recognition of antigen-MHC complexes
G)a class of proteins that help cells of the immune system communicate
H)"big eaters" that alert other lymphocytes to the invasion of specific antigens
I)lymphocyte that has never bound to an antigen
J)a group of cells that are all produced asexually from one original parent cell
K)surface patterns of nonself molecules or particles
L)proteins released by cytotoxic T cells to destroy target cell membranes
M)preparation injected into the body to elicit a secondary immune response
N)the AIDs virus represses the expression of these F

Question 2

What is immunity?

Accepted Answer

A)  An organism's capacity to resist infection only 
B)  An organism's capacity to both resist and combat infection 
C)  A pathogen 
D)  An organism's capacity to combat infection only 
E)  A set of genetic instructions 
A)  An organism's capacity to resist infection only 
B)  An organism's capacity to both resist and combat infection 
C)  A pathogen 
D)  An organism's capacity to combat infection only 
E)  A set of genetic instructions B

Question 3

Inflammation begins when mast cells in tissue release __________,which increases blood flow and also makes capillaries leaky to phagocytes and plasma proteins.

Accepted Answer

histamine

Question 4

Match each term with the most appropriate statement.
-memory cells

Accepted Answer

A) cells originating from antigen-presenting dendritic cells, activates other lymphocytes in an adaptive immune response 
B) cells that directly destroy body cells already infected by viral or fungal parasites, as well as mutant and cancerous cells 
C) lymphocytes that are held in reserve, circulate in the bloodstream, and enable a rapid response to subsequent encounters with the same invader 
D) coats invading cells to facilitate its phagocytosis; also punctures their cell membrane 
E) antibody-manufacturing cells that are produced and mature in the bone marrow
F)able to destroy cells but not dependent on recognition of antigen-MHC complexes
G)a class of proteins that help cells of the immune system communicate
H)"big eaters" that alert other lymphocytes to the invasion of specific antigens
I)lymphocyte that has never bound to an antigen
J)a group of cells that are all produced asexually from one original parent cell
K)surface patterns of nonself molecules or particles
L)proteins released by cytotoxic T cells to destroy target cell membranes
M)preparation injected into the body to elicit a secondary immune response
N)the AIDs virus represses the expression of these 
A) cells originating from antigen-presenting dendritic cells, activates other lymphocytes in an adaptive immune response 
B) cells that directly destroy body cells already infected by viral or fungal parasites, as well as mutant and cancerous cells 
C) lymphocytes that are held in reserve, circulate in the bloodstream, and enable a rapid response to subsequent encounters with the same invader 
D) coats invading cells to facilitate its phagocytosis; also punctures their cell membrane 
E) antibody-manufacturing cells that are produced and mature in the bone marrow
F)able to destroy cells but not dependent on recognition of antigen-MHC complexes
G)a class of proteins that help cells of the immune system communicate
H)"big eaters" that alert other lymphocytes to the invasion of specific antigens
I)lymphocyte that has never bound to an antigen
J)a group of cells that are all produced asexually from one original parent cell
K)surface patterns of nonself molecules or particles
L)proteins released by cytotoxic T cells to destroy target cell membranes
M)preparation injected into the body to elicit a secondary immune response
N)the AIDs virus represses the expression of these

Question 5

Normal microbiota help humans by the following ways,except

Accepted Answer

A)  preventing harmful bacteria from colonizing our epithelial tissues. 
B)  helping us digest food. 
C)  synthesizing essential nutrients. 
D)  influencing our immune function. 
E)  providing nutrients to the nervous system. 
A)  preventing harmful bacteria from colonizing our epithelial tissues. 
B)  helping us digest food. 
C)  synthesizing essential nutrients. 
D)  influencing our immune function. 
E)  providing nutrients to the nervous system.

Question 6

These produce immunoglobulins in response to the reinvasion by a virus.

Accepted Answer

A) antigens 
B) antibodies 
C) helper T cells 
D) cytotoxic T cells 
E) effector B cells 
A) antigens 
B) antibodies 
C) helper T cells 
D) cytotoxic T cells 
E) effector B cells

Question 7

Which of the following are long-lived lymphocytes reserved for possible future encounters with the same threat?

Accepted Answer

A)  Neutrophils 
B)  Macrophages 
C)  Memory cells 
D)  Effector cells 
E)  Eosinophils 
A)  Neutrophils 
B)  Macrophages 
C)  Memory cells 
D)  Effector cells 
E)  Eosinophils

Question 8

Match each term with the most appropriate statement.
-perforin

Accepted Answer

A) cells originating from antigen-presenting dendritic cells, activates other lymphocytes in an adaptive immune response 
B) cells that directly destroy body cells already infected by viral or fungal parasites, as well as mutant and cancerous cells 
C) lymphocytes that are held in reserve, circulate in the bloodstream, and enable a rapid response to subsequent encounters with the same invader 
D) coats invading cells to facilitate its phagocytosis; also punctures their cell membrane 
E) antibody-manufacturing cells that are produced and mature in the bone marrow
F)able to destroy cells but not dependent on recognition of antigen-MHC complexes
G)a class of proteins that help cells of the immune system communicate
H)"big eaters" that alert other lymphocytes to the invasion of specific antigens
I)lymphocyte that has never bound to an antigen
J)a group of cells that are all produced asexually from one original parent cell
K)surface patterns of nonself molecules or particles
L)proteins released by cytotoxic T cells to destroy target cell membranes
M)preparation injected into the body to elicit a secondary immune response
N)the AIDs virus represses the expression of these 
A) cells originating from antigen-presenting dendritic cells, activates other lymphocytes in an adaptive immune response 
B) cells that directly destroy body cells already infected by viral or fungal parasites, as well as mutant and cancerous cells 
C) lymphocytes that are held in reserve, circulate in the bloodstream, and enable a rapid response to subsequent encounters with the same invader 
D) coats invading cells to facilitate its phagocytosis; also punctures their cell membrane 
E) antibody-manufacturing cells that are produced and mature in the bone marrow
F)able to destroy cells but not dependent on recognition of antigen-MHC complexes
G)a class of proteins that help cells of the immune system communicate
H)"big eaters" that alert other lymphocytes to the invasion of specific antigens
I)lymphocyte that has never bound to an antigen
J)a group of cells that are all produced asexually from one original parent cell
K)surface patterns of nonself molecules or particles
L)proteins released by cytotoxic T cells to destroy target cell membranes
M)preparation injected into the body to elicit a secondary immune response
N)the AIDs virus represses the expression of these

Question 9

Classification. Respond to the following statements with reference to the five types of white cells listed below.
-These cells scavenge dead cells and attack bacteria directly.

Accepted Answer

A) macrophages 
B) helper T cells 
C) B cells 
D) cytotoxic T cells 
E) natural killer cells 
A) macrophages 
B) helper T cells 
C) B cells 
D) cytotoxic T cells 
E) natural killer cells

Question 10

In adaptive immunity,which of the following cells act at once in a primary immune response?

Accepted Answer

A)  Neutrophils 
B)  Macrophages 
C)  Memory cells 
D)  Effector cells 
E)  Eosinophils 
A)  Neutrophils 
B)  Macrophages 
C)  Memory cells 
D)  Effector cells 
E)  Eosinophils

Question 11

Chemical signaling molecules,such as interleukins and interferons,secreted by white blood cells are called ______.

Accepted Answer

A)  histamines 
B)  neutrophils 
C)  hormones 
D)  cytokines 
E)  complement 
A)  histamines 
B)  neutrophils 
C)  hormones 
D)  cytokines 
E)  complement

Question 12

Classification. Respond to the following statements with reference to the five types of white cells listed below.
-These cells recognize cell surface antigens and initiate the proliferation of lymphocytes.

Accepted Answer

A) macrophages 
B) helper T cells 
C) B cells 
D) cytotoxic T cells 
E) natural killer cells 
A) macrophages 
B) helper T cells 
C) B cells 
D) cytotoxic T cells 
E) natural killer cells

Question 13

_____is an autoimmune disease in which T cells initiate a cell-mediated response targeting the myelin in the brain and spinal cord.

Accepted Answer

A)  Epstein-Barr 
B)  Severe combined immune deficiency (SCI
D)  
C)  Multiple sclerosis (MS) 
D)   Muscular dystrophy 
E)  Huntington's disease 
A)  Epstein-Barr 
B)  Severe combined immune deficiency (SCI
D)  
C)  Multiple sclerosis (MS) 
D)   Muscular dystrophy 
E)  Huntington's disease

Question 14

Which bacteria help keep the vaginal pH below the range of tolerance of other bacteria and most fungi?

Accepted Answer

A)  Corynebacterium diphtheriae 
B)  Lactobacillus 
C)  Clostridium botulinum 
D)  Proteus 
E)  Moraxella 
A)  Corynebacterium diphtheriae 
B)  Lactobacillus 
C)  Clostridium botulinum 
D)  Proteus 
E)  Moraxella

Question 15

Classification. Respond to the following statements with reference to the five types of white cells listed below.
-These cells destroy cells infected by viruses.

Accepted Answer

A) macrophages 
B) helper T cells 
C) B cells 
D) cytotoxic T cells 
E) natural killer cells 
A) macrophages 
B) helper T cells 
C) B cells 
D) cytotoxic T cells 
E) natural killer cells

Question 16

Match each term with the most appropriate statement.
-B lymphocytes

Accepted Answer

A) cells originating from antigen-presenting dendritic cells, activates other lymphocytes in an adaptive immune response 
B) cells that directly destroy body cells already infected by viral or fungal parasites, as well as mutant and cancerous cells 
C) lymphocytes that are held in reserve, circulate in the bloodstream, and enable a rapid response to subsequent encounters with the same invader 
D) coats invading cells to facilitate its phagocytosis; also punctures their cell membrane 
E) antibody-manufacturing cells that are produced and mature in the bone marrow
F)able to destroy cells but not dependent on recognition of antigen-MHC complexes
G)a class of proteins that help cells of the immune system communicate
H)"big eaters" that alert other lymphocytes to the invasion of specific antigens
I)lymphocyte that has never bound to an antigen
J)a group of cells that are all produced asexually from one original parent cell
K)surface patterns of nonself molecules or particles
L)proteins released by cytotoxic T cells to destroy target cell membranes
M)preparation injected into the body to elicit a secondary immune response
N)the AIDs virus represses the expression of these 
A) cells originating from antigen-presenting dendritic cells, activates other lymphocytes in an adaptive immune response 
B) cells that directly destroy body cells already infected by viral or fungal parasites, as well as mutant and cancerous cells 
C) lymphocytes that are held in reserve, circulate in the bloodstream, and enable a rapid response to subsequent encounters with the same invader 
D) coats invading cells to facilitate its phagocytosis; also punctures their cell membrane 
E) antibody-manufacturing cells that are produced and mature in the bone marrow
F)able to destroy cells but not dependent on recognition of antigen-MHC complexes
G)a class of proteins that help cells of the immune system communicate
H)"big eaters" that alert other lymphocytes to the invasion of specific antigens
I)lymphocyte that has never bound to an antigen
J)a group of cells that are all produced asexually from one original parent cell
K)surface patterns of nonself molecules or particles
L)proteins released by cytotoxic T cells to destroy target cell membranes
M)preparation injected into the body to elicit a secondary immune response
N)the AIDs virus represses the expression of these

Question 17

Match each term with the most appropriate statement.
-MHCs

Accepted Answer

A) cells originating from antigen-presenting dendritic cells, activates other lymphocytes in an adaptive immune response 
B) cells that directly destroy body cells already infected by viral or fungal parasites, as well as mutant and cancerous cells 
C) lymphocytes that are held in reserve, circulate in the bloodstream, and enable a rapid response to subsequent encounters with the same invader 
D) coats invading cells to facilitate its phagocytosis; also punctures their cell membrane 
E) antibody-manufacturing cells that are produced and mature in the bone marrow
F)able to destroy cells but not dependent on recognition of antigen-MHC complexes
G)a class of proteins that help cells of the immune system communicate
H)"big eaters" that alert other lymphocytes to the invasion of specific antigens
I)lymphocyte that has never bound to an antigen
J)a group of cells that are all produced asexually from one original parent cell
K)surface patterns of nonself molecules or particles
L)proteins released by cytotoxic T cells to destroy target cell membranes
M)preparation injected into the body to elicit a secondary immune response
N)the AIDs virus represses the expression of these 
A) cells originating from antigen-presenting dendritic cells, activates other lymphocytes in an adaptive immune response 
B) cells that directly destroy body cells already infected by viral or fungal parasites, as well as mutant and cancerous cells 
C) lymphocytes that are held in reserve, circulate in the bloodstream, and enable a rapid response to subsequent encounters with the same invader 
D) coats invading cells to facilitate its phagocytosis; also punctures their cell membrane 
E) antibody-manufacturing cells that are produced and mature in the bone marrow
F)able to destroy cells but not dependent on recognition of antigen-MHC complexes
G)a class of proteins that help cells of the immune system communicate
H)"big eaters" that alert other lymphocytes to the invasion of specific antigens
I)lymphocyte that has never bound to an antigen
J)a group of cells that are all produced asexually from one original parent cell
K)surface patterns of nonself molecules or particles
L)proteins released by cytotoxic T cells to destroy target cell membranes
M)preparation injected into the body to elicit a secondary immune response
N)the AIDs virus represses the expression of these

Question 18

Match each term with the most appropriate statement.
-helper T cell

Accepted Answer

A) cells originating from antigen-presenting dendritic cells, activates other lymphocytes in an adaptive immune response 
B) cells that directly destroy body cells already infected by viral or fungal parasites, as well as mutant and cancerous cells 
C) lymphocytes that are held in reserve, circulate in the bloodstream, and enable a rapid response to subsequent encounters with the same invader 
D) coats invading cells to facilitate its phagocytosis; also punctures their cell membrane 
E) antibody-manufacturing cells that are produced and mature in the bone marrow
F)able to destroy cells but not dependent on recognition of antigen-MHC complexes
G)a class of proteins that help cells of the immune system communicate
H)"big eaters" that alert other lymphocytes to the invasion of specific antigens
I)lymphocyte that has never bound to an antigen
J)a group of cells that are all produced asexually from one original parent cell
K)surface patterns of nonself molecules or particles
L)proteins released by cytotoxic T cells to destroy target cell membranes
M)preparation injected into the body to elicit a secondary immune response
N)the AIDs virus represses the expression of these 
A) cells originating from antigen-presenting dendritic cells, activates other lymphocytes in an adaptive immune response 
B) cells that directly destroy body cells already infected by viral or fungal parasites, as well as mutant and cancerous cells 
C) lymphocytes that are held in reserve, circulate in the bloodstream, and enable a rapid response to subsequent encounters with the same invader 
D) coats invading cells to facilitate its phagocytosis; also punctures their cell membrane 
E) antibody-manufacturing cells that are produced and mature in the bone marrow
F)able to destroy cells but not dependent on recognition of antigen-MHC complexes
G)a class of proteins that help cells of the immune system communicate
H)"big eaters" that alert other lymphocytes to the invasion of specific antigens
I)lymphocyte that has never bound to an antigen
J)a group of cells that are all produced asexually from one original parent cell
K)surface patterns of nonself molecules or particles
L)proteins released by cytotoxic T cells to destroy target cell membranes
M)preparation injected into the body to elicit a secondary immune response
N)the AIDs virus represses the expression of these

Question 19

______________ refers to a procedure in which an individual exposed to a lethal agent receives antibodies purified from the blood of another for immediate benefit.

Accepted Answer

passive im

Question 20

Upon activation by complement,_______________ engulf microorganisms and secrete cytokines to further alert the immune system to the invading pathogens.

Accepted Answer

A)  mast cells 
B)  basophil 
C)  macrophages 
D)  NK cells 
E)  T cells 
A)  mast cells 
B)  basophil 
C)  macrophages 
D)  NK cells 
E)  T cells

Exam 37: Immunity

Match each term with the most appropriate statement. -natural killer cells

What is immunity?

Inflammation begins when mast cells in tissue release __________,which increases blood flow and also makes capillaries leaky to phagocytes and plasma proteins.

Match each term with the most appropriate statement. -memory cells

Normal microbiota help humans by the following ways,except

These produce immunoglobulins in response to the reinvasion by a virus.

Which of the following are long-lived lymphocytes reserved for possible future encounters with the same threat?

Match each term with the most appropriate statement. -perforin

Classification. Respond to the following statements with reference to the five types of white cells listed below. -These cells scavenge dead cells and attack bacteria directly.

In adaptive immunity,which of the following cells act at once in a primary immune response?

Chemical signaling molecules,such as interleukins and interferons,secreted by white blood cells are called ______.

Classification. Respond to the following statements with reference to the five types of white cells listed below. -These cells recognize cell surface antigens and initiate the proliferation of lymphocytes.

_____is an autoimmune disease in which T cells initiate a cell-mediated response targeting the myelin in the brain and spinal cord.

Which bacteria help keep the vaginal pH below the range of tolerance of other bacteria and most fungi?

Classification. Respond to the following statements with reference to the five types of white cells listed below. -These cells destroy cells infected by viruses.

Match each term with the most appropriate statement. -B lymphocytes

Match each term with the most appropriate statement. -MHCs

Match each term with the most appropriate statement. -helper T cell

______________ refers to a procedure in which an individual exposed to a lethal agent receives antibodies purified from the blood of another for immediate benefit.

Upon activation by complement,_______________ engulf microorganisms and secrete cytokines to further alert the immune system to the invading pathogens.

Invitation to Biology

Life's Chemical Bases

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where it Starts—Photosynthesis

How Cells Release Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizing Information about Species

Life's Origin and Early Evolution

Viruses, Bacteria, and Archaea

Protists: The Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution: The Invertebrates

Animal Evolution: The Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive System

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters