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Microbiology > Ch 17 Adaptive Immunity > Flashcards

Ch 17 Adaptive Immunity Flashcards

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Biology 101 flashcards
1
Q

What is servoconversion?

A

The period of time during which HIV antibodies develop and become detectable. Lag time.

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2
Q 
Draw each immunoglobulin class and give the function of each.
IgG, IgM, IgA, IgD, IgE
A

DRAW EACH
IgG: enhances phagocytosis, most common in serum
IgM: fights agglutinating antigens, first to arrive
IgA: protects mucosal surfaces, most common overall
IgD: unknown
IgE: response to allergens and cause allergic reactions

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3
Q

How are parasitic cells, bacteria, and viruses killed?

A

Parasitic: WBC
Bacteria: Phagocytosis
Viruses: Antibody proteins

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4
Q

What are the two types of immunity?

A

Innate

Acquired

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5
Q

Describe acquired immunity

A

Specific for each antigen
Binds an foreign antibody
Kills by phagocytes and complement
Has memory

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6
Q

What is perforin?

A

A protein released by killer cells, that destroys targeted cells by creating pores in their membranes.

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7
Q

What are antigens made from?

A

High molecular weight proteins

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8
Q

How do B cells recognize an antigen?

A

By receptors on the surface

B cells are very specific

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9
Q

How is passive and active immunity acquired?

A

Passive: herd immunity
Active: exposure to microbes

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10
Q

What is opsonization?

A

Coating bacteria to make phagocytosis easier

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11
Q

What does anamnestic mean?

A

An enhanced reaction of the body’s immune system to an antigen that is related to an antigen previously encountered from a secondary immune system response.

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12
Q

What is interferon?

A

A protein released by animal cells that inhibits viral replication.

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13
Q

What is agglutination?

A

Antibodies that cause antigens to clump togehter.

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14
Q

What kind of cell is an Antigen-Presenting Cell (APC)?

A

B cells

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15
Q

What is gamma globulin for?

A

Is a substance made from human blood plasma. It contains antibodies that passively transfer immunity.

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16
Q

What is CD8?

A

CD8 (cluster of differentiation 8) bind to class I MHC protein.Cytotoxic Lymphocyte Cells kill nonself cells.

17
Q

What is CD4?

A

Found on T helper cells, monocytes, macrophages, and dendritic cells. Cytotoxic Lymphocyte Cells kill nonself cells. MHC II cells.

18
Q

What are Major Histocompatability Complex (MHC) cells?

A

The major histocompatibility complex (MHC) is a set of cell surface proteins essential for acquired immune system to recognize foreign molecules

19
Q

What is blebing?

A

Apoptosis caused membrane bulging outward.

20
Q

What is the third step of an antibody response?

A

Th cell recognizes B cell.

21
Q

What cells are involved with tuberculin response to tuberculosis?

A

T cells

Microbiology (23 decks)

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