Weekly Quiz 7: Immunity Flashcards

1
Q

Many choice: Which of the following is a cell of the innate immune system?
Group of answer choices
Memory B cell
Plasma cell
Neutrophil
Memory T cell
Cytotoxic T cell

A

Neutrophil

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2
Q

When we receive a vaccine, which of the following is responsible for better defense against disease?
Group of answer choices
Production of memory cells
Activation of specific lymphocytes
Display of antigen on an antigen-presenting cell
Phagocytosis
Penetration of surface barriers

A

Production of memory cells

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3
Q

A study has found that the smallpox vaccine provides protection over the time course of decades. The vaccine against smallpox does not protect against the flu. These observations are due to which of the following facts? Choose every correct answer.
Group of answer choices
The adaptive immune response is specific.
The adaptive immune response provides memory
The innate immune response is specific.
The innate immune response has memory

A

The adaptive immune response is specific.
The adaptive immune response provides memory

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4
Q

Cytotoxic T-Cells are also known as
Group of answer choices
Class 1 MHC cells
Class 2 MHC cells
CD4 cells
CD8 cells
NK cells

A

CD8 cells

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5
Q

A cancer cell displaying a specific mutation on its cell surface would be killed by
Group of answer choices
B cell
Helper T cell
Cytotoxic T cell
Epithelial cell
Fibroblast

A

Cytotoxic T cell

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6
Q

Assume that someone who has been sick with a disease called cowpox becomes immune to smallpox. Which of the following could you deduce about the smallpox? Assume you have no further information about the diseases and pathogens.
Group of answer choices
The smallpox pathogen has antibodies that look like cowpox.
The smallpox pathogen has antigens that look like cowpox.
Smallpox and cowpox must be caused by viruses.
Smallpox and cowpox must be caused by bacteria.
None of these choices are logical conclusions.

A

The smallpox pathogen has antigens that look like cowpox.

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7
Q

All nucleated cells display antigens on which cell surface marker?
Group of answer choices

B cell receptor

T cell receptor

Class 1 MHC

Class 2 MHC

CD8

A

Class 1 MHC

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8
Q

Which of the following cells could be activated to produce antibodies?
Group of answer choices

CD4

CD8

B cells (antiBBBBodies)

NK cells

Macrophages

A

B cells (antiBBBBodies)

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9
Q

Which of the following secrete antibodies?
Group of answer choices

Helper T cells

Cytotoxic T cells

Plasma cells

Macrophages

Neutrophils

A

Plasma cells

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10
Q

The cause of an autoimmune disease is
Group of answer choices

We are unable to activate our immune cells so are susceptible to secondary infections

We are unable to activate our immune cells so fail to produce lymph

Our immune cells become sensitized to extracellular foreign pathogens

Our immune cells become sensitized to intracellular foreign pathogens

Our immune cells recognize an antigen that is normally present in our bodies

A

Our immune cells recognize an antigen that is normally present in our bodies

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11
Q

In order for a vaccine to work, we require
Group of answer choices
Helper T cells
Memory T cells
Memory B cells
Cells of the innate immune system
All of the above

A

All of the above

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12
Q
  1. A secondary immune response is ________ than a primary response.
    Group of answer choices

Stronger and faster

Weaker and slower

The same strength and speed as

A

Stronger and faster

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13
Q

An effective response to a vaccine requires CD4 cells.
Group of answer choices

True

False

A

True

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14
Q

MHC class 1 molecules are
Group of answer choices

Displayed on all nucleated cells and interact with the CD8 T cell protein

Displayed on all nucleated cells and interact with the CD4 T cell protein

Displayed on only antigen-presenting cells and interact with the CD8 T cell protein

Displayed on only antigen-presenting cells and interact with the CD4 T cell protein

A

Displayed on all nucleated cells and interact with the CD8 T cell protein

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15
Q

A cell infected by a virus would be killed by a
Group of answer choices

B cell

Helper T cell

Cytotoxic T cell

Epithelial cell

Fibroblast

A

Cytotoxic T cell

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16
Q

An effective response to a vaccine requires cells of the innate immune system.
Group of answer choices

True

False

17
Q

Why might this year’s flu vaccine not be effective next year?
Group of answer choices

Mutations in our B cells would alter the antibodies produced

Mutations in our T cells would alter our cellular immunity

Mutations in the flu virus could alter the shape of its antigens

Mutations in the flu virus could alter the shape of its antibodies

A

Mutations in the flu virus could alter the shape of its antigens

18
Q

Cytotoxic T cells display
Group of answer choices

Class 2 MHC proteins

B cell receptors

CD 4 surface markers

CD 8 surface markers

A

CD 8 surface markers

19
Q

The risk of infection following a cut results from compromised function of
Group of answer choices

B cell

T cell

NK cell

Macrophage

Surface barriers

A

Surface barriers

20
Q

Many choice: We are born with which of the following components of the immune system?
Group of answer choices

Surface barriers

Phagocytes

Natural killer cells

Antimicrobial proteins

A

Surface barriers

Phagocytes

Natural killer cells

Antimicrobial proteins

21
Q

White blood cells begin development in
Group of answer choices

The thymus

The bone marrow

The spleen

The appendix

Lymph nodes

A

The bone marrow

22
Q

When we receive a vaccine, which of the following is the first step in activation of an immune response?
Group of answer choices

Production of memory cells

Activation of specific lymphocytes

Display of antigen on an antigen-presenting cell

Phagocytosis

Penetration of surface barriers

A

Penetration of surface barriers

23
Q

Helper T-cells are known as
Group of answer choices

Class 1 MHC cells

Class 2 MHC cells

CD4 cells

CD8 cells

NK cells