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Microbiology And Immunology > Immunology > Flashcards

Immunology Flashcards

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1
Q

The lymphoreticular system is responsible for what

A

Immune response and it consists of
Lymphoid system
Reticuloendothelial system

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2
Q

Lymphoid system contains what

A
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3
Q

The types of lymphoid organs

A

Central (primary) lymphoid organs
Peripheral (secondary) lymphoid organs
Cells of lymphoid organs

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4
Q

Example of central lymphoid organs

A

Thymus and bone marrow

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5
Q

Examples of peripheral lymphoid organs

A
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6
Q

What is the primary function of thymus

A

To produce thymic lymphocyte

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7
Q

Thymus is a major site for what

A

Lymphocyte proliferation in the body

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8
Q

What happens during maturation of T cells

A
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9
Q

What is produced in bone marrow

A
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10
Q

What are the two parts of lymph nodes

A

Cortex
Medulla

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11
Q

The cortex of lymph nodes contains what

A
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12
Q

The lymphoid follicles contain what

A
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13
Q

Explain medulla part of lymph node

A
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14
Q

What is present in spleen

A

T and B lymphocytes

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15
Q

The spleen serves as what

A
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16
Q

Explain Mucosa associated lymphoid tissue (MALT)

A
17
Q

MALT contains what

A

T and B cells as well as phagocytes

18
Q

What is lymphopoiesis

A

Production of new lymphocytes

19
Q

Lymphopoiesis occurs at what three places

A

Bone marrow
Central lymphoid organs
Peripheral lymphoid organs

20
Q

The lymphocytes formed from the three different sites do what

A

Mix together in the process known as lymphocyte recirculation

21
Q

Most of the recirculating lymphocytes are what

A
22
Q

List the functions of immunologic competent cells

A
23
Q

Stimulated T cells produce what

A

Certain activation products (lymphokines) and induce cell mediated immunity

24
Q

Explain the differences between T and B cells

A
25
Q

What is circulating in blood

A
26
Q

How can T lymphocytes be classified

A
27
Q

Explain CD

A
28
Q

What are T helper cells (CD 4 cells)

A
29
Q

What are T suppressor cells

A
30
Q

What is the amount of T helper and suppressor cells

A
31
Q

What are Cytotoxic T cells

A
32
Q

What are Null cells

A
33
Q

What are Natural killer cells and where are they found

A
34
Q

Explain the activity of NK cells

A
35
Q

What happens when NK cells are treated with interleukin 2

A

Microbiology And Immunology (21 decks)

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