Question 1

In an antibody- mediated immune response, what causes effector helper T cells to release cytokines?

Accepted Answer

A) binding to antigen presenting dendritic cells 
B) binding to a bacterial complement 
C) binding to a naive helper T cell 
D) binding to a B cell 
E) engulfing a bacterium 
A) binding to antigen presenting dendritic cells 
B) binding to a bacterial complement 
C) binding to a naive helper T cell 
D) binding to a B cell 
E) engulfing a bacterium

Question 2

Proteins leaking out of damaged body cells activate ____, which results in a cascade of reactions that enhance phagocytosis of damaged cells by white blood cells.

Accepted Answer

A) complement proteins 
B) inflammatory proteins 
C) PAMPs 
D) viral DNA 
E) killer T cells 
A) complement proteins 
B) inflammatory proteins 
C) PAMPs 
D) viral DNA 
E) killer T cells

Question 3

Match between columns
                        Premises: adaptive immunity involving B cells

Accepted Answer

The Answer of innate immunity and adaptive immunity and antibody-mediated is...

Question 4

The antibody-mediated immune response is most effective against ____.

Accepted Answer

A) cancer cells 
B) viral infected cells 
C) bacteria circulating in the blood 
D) normal flora 
E) "self" cells 
A) cancer cells 
B) viral infected cells 
C) bacteria circulating in the blood 
D) normal flora 
E) "self" cells

Question 5

A molecule or particle recognized by the body as nonself is known as a(n)____.

Accepted Answer

A) antibody 
B) antigen 
C) complement 
D) macrophage 
E) phagocyte 
A) antibody 
B) antigen 
C) complement 
D) macrophage 
E) phagocyte

Question 6

Where do antigen-presenting cells interact with T cells?

Accepted Answer

A) the thymus gland 
B) the pituitary gland 
C) the lymph nodes 
D) the adrenal glands 
E) the bone marrow 
A) the thymus gland 
B) the pituitary gland 
C) the lymph nodes 
D) the adrenal glands 
E) the bone marrow

Question 7

Which is a defining characteristic of adaptive immunity?

Accepted Answer

A) nonspecificity 
B) diversity 
C) short-lived responses 
D) self recognition 
E) reliance on surface barriers 
A) nonspecificity 
B) diversity 
C) short-lived responses 
D) self recognition 
E) reliance on surface barriers

Question 8

Innate immunity begins when ____.

Accepted Answer

A) triggered by adaptive immunity 
B) PAMP receptors bind to antigen 
C) white blood cells start dividing 
D) complement proteins are released 
E) PAMPs are detected 
A) triggered by adaptive immunity 
B) PAMP receptors bind to antigen 
C) white blood cells start dividing 
D) complement proteins are released 
E) PAMPs are detected

Question 9

If the innate immune response is not effective in neutralizing a threat, what form of immune response occurs next?

Accepted Answer

A) production of antibodies by T cells 
B) phagocytosis by neutrophils 
C) natural killer cells respond to sites of inflammation 
D) antigen detection by antibodies 
E) phagocytosis of MHC markers 
A) production of antibodies by T cells 
B) phagocytosis by neutrophils 
C) natural killer cells respond to sites of inflammation 
D) antigen detection by antibodies 
E) phagocytosis of MHC markers

Question 10

Match between columns
                        Premises: individuals exposed to cowpox are immune to this infection

Accepted Answer

The Answer of cervical cancer and small pox and multiple is...

Question 11

Match between columns
                        Premises: cause arterioles to widen and capillaries to become more permeable during an inflammation reaction

Accepted Answer

The Answer of histamines and prostaglandins and complement proteins and is...

Question 12

If a person is incapable of making effector helper T cells, what will be the result?

Accepted Answer

A) Antibodies will not be produced. 
B) Effector B cells will not be produced. 
C) Memory B cells will not be produced. 
D) Complement cascade will not occur. 
E) Memory and effector B cells will not be produced. 
A) Antibodies will not be produced. 
B) Effector B cells will not be produced. 
C) Memory B cells will not be produced. 
D) Complement cascade will not occur. 
E) Memory and effector B cells will not be produced.

Question 13

____ form in the bone marrow, but ____ mature in the thymus.

Accepted Answer

A) B cells; T cells 
B) T cells; B cells 
C) B and T cells; B cells 
D) B and T cells; T cells 
E) B and T cells; B and T cells 
A) B cells; T cells 
B) T cells; B cells 
C) B and T cells; B cells 
D) B and T cells; T cells 
E) B and T cells; B and T cells

Question 14

Natural killer cells are capable of ____.

Accepted Answer

A) stimulating T cell memory 
B) killing bacteria in the interstitial fluid 
C) destroying body cells lacking MHC markers 
D) shutting down adaptive immune responses 
E) destroying parasites in the bloodstream 
A) stimulating T cell memory 
B) killing bacteria in the interstitial fluid 
C) destroying body cells lacking MHC markers 
D) shutting down adaptive immune responses 
E) destroying parasites in the bloodstream

Question 15

Match between columns
                        Premises: can be caused by infection by human papillomavirus

Accepted Answer

The Answer of AIDS and multiple sclerosis and small pox is...

Question 16

Antihistamines relieve allergy symptoms by ____.

Accepted Answer

A) inhibiting the release of histamines and cytokines 
B) binding directly to histamines 
C) destroying mast cells before they can produce histamines 
D) binding to the allergens 
E) stimulating effector T cells to produce more cytokines 
A) inhibiting the release of histamines and cytokines 
B) binding directly to histamines 
C) destroying mast cells before they can produce histamines 
D) binding to the allergens 
E) stimulating effector T cells to produce more cytokines

Question 17

Match between columns
                        Premises: phagocytes that alert the adaptive immune system to presence of antigens in solid tissue

Accepted Answer

The Answer of neutrophil and macrophage and dendritic cell and is...

Question 18

Small pox ____.

Accepted Answer

A) was the target of the first vaccine 
B) is spread by infected cattle 
C) is only found in subtropical climates 
D) was eradicated by 1850 
E) is unrelated to cowpox 
A) was the target of the first vaccine 
B) is spread by infected cattle 
C) is only found in subtropical climates 
D) was eradicated by 1850 
E) is unrelated to cowpox

Question 19

Place the following events of an inflammatory event in response to bacterial infection in proper order.
1. Activated complement binds to bacteria.
2. Capillary permeability increases.
3. Phagocytes engulf bacteria.
4. Mast cell receptors bind to bacterial antigens.
5. Signaling molecules cause arterioles to widen.

Accepted Answer

A) 4-5-2-1-3 
B) 4-3-1-2-5 
C) 5-2-1-4-3 
D) 1-3-4-2-5 
E) 5-2-4-1-3 
A) 4-5-2-1-3 
B) 4-3-1-2-5 
C) 5-2-1-4-3 
D) 1-3-4-2-5 
E) 5-2-4-1-3

Question 20

The normal flora that inhabit our body surfaces ____.

Accepted Answer

A) are harmful 
B) competitively exclude more harmful species 
C) produce vitamin C 
D) become even more beneficial if they invade tissues 
E) participate in phagocytosis of pathogens 
A) are harmful 
B) competitively exclude more harmful species 
C) produce vitamin C 
D) become even more beneficial if they invade tissues 
E) participate in phagocytosis of pathogens

Exam 22: Immunity

In an antibody- mediated immune response, what causes effector helper T cells to release cytokines?

Proteins leaking out of damaged body cells activate ____, which results in a cascade of reactions that enhance phagocytosis of damaged cells by white blood cells.

The antibody-mediated immune response is most effective against ____.

A molecule or particle recognized by the body as nonself is known as a(n)____.

Where do antigen-presenting cells interact with T cells?

Which is a defining characteristic of adaptive immunity?

Innate immunity begins when ____.

If the innate immune response is not effective in neutralizing a threat, what form of immune response occurs next?

If a person is incapable of making effector helper T cells, what will be the result?

____ form in the bone marrow, but ____ mature in the thymus.

Natural killer cells are capable of ____.

Antihistamines relieve allergy symptoms by ____.

Small pox ____.

The normal flora that inhabit our body surfaces ____.

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form in the bone marrow, but mature in the thymus.