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Microbiology (2060) > Module 17: Specific Defenses > Flashcards

Module 17: Specific Defenses Flashcards

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1
Q

How many classes of antibodies are there?

A

5

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2
Q

What is the name for the protein found in the human body that can protect against infection?

A

Antibody

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3
Q

How many antigen-binding sites to monomer antibodies have?

A

2

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4
Q

What types of light chain and heavy chain regions do typical antibodies have?

A

2 identical light chains
2 identical heavy chains

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5
Q

What part of the antigen do the antibodies interact with?

A

Epitope

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6
Q

What class of antibody exists as a pentamer?

A

IgM

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7
Q

What are the 5 classes of antibodies?

A

IgG
IgE
IgD
IgA
IgM

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8
Q

What type of molecule are t-dependent antigens?

A

ProteinsWh

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9
Q

What is the term for an antigenic foreign substance that had low molecular weight?

A

Hapten

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10
Q

What type of molecule are most antigens composed of?

A

Proteins or large polysaccharides

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11
Q

What is the process by which antigens are coated with antibodies?

A

Opsonization

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12
Q

What is the process in which IgG antibodies inactivate microbes by blocking their attachment to host cells?

A

Neutralization

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13
Q

What two components are needed for cell-mediated immunity?

A

T cells
Antigen-presenting cell

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14
Q

What is the process in which B cells are prolerated once they are activated?

A

Colonal expansion

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15
Q

Plasma cells are formed after the proliferation of what type of cell?

A

B cell

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16
Q

What does proliferation mean?

A

Rapid increase in numbers

17
Q

What is the first antibody that B cells make during primary response?

A

IgM

18
Q

Where does maturation of T cells occur?

A

In the thymus

19
Q

What does cell-mediated immunity protect against?

A

Intracellular bacteria and viruses

20
Q

What cells combat autoimmunity as their primary function?

A

T regulatory cells

21
Q

What type of immunity is created through being infected with measles?

A

Naturally acquired active immunity

22
Q

What type of immunity to vaccines convey?

A

Artificially acquired active immunity

23
Q

What type of immunity is conveyed when antibodies are given by injection?

A

Artificially acquired passive immunity

24
Q

What type of organisms is antibody-dependent cell-mediated cytotoxicity effective against?

A

Organisms too big for phagocytosis

25
Q

Where is the antigen binding site found on IgG antibodies?

A

The variable regions of the heavy chain and light chain

26
Q

What type of vaccine is most likely to produce lifelong immunity without the need for a booster?

A

Attenuated vaccine

Microbiology (2060) (21 decks)

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