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Immunology > Cells of the Immune System > Flashcards

Cells of the Immune System Flashcards

1
Q

What are the 2 types of immunity?

A

Innate and Adaptive

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2
Q

What type of immune system is present at birth?

A

Innate

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3
Q

What type of immune system has no memory?

A

Innate

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4
Q

What type of cells are monocytes, macrophages, neutrophils?

A

Phagocytes

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5
Q

What does the adaptive immune system split in to>

A

Humoral and Cellular

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6
Q

What cells are involved in humoral immunity?

A

Antibodies

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7
Q

What cells are involved in cellular immunity?

A

B lymphocytes
T lymphocytes
Helper T cells
Cytotoxic T cells

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8
Q

How does vaccination work?

A

tries to trigger the primary response by using a non-infective version of the microorganisms so that if real infectious agent is encountered there wont be any symptoms of disease.

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9
Q

What is an antigen?

A

Any FOREIGN substance that elicits an immune response.

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10
Q

What is the name of the portion of the antigen that is recognised?

A

Epitope OR antigenic determinant

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11
Q

What are epitopes recognised by?

A

antibodies and T cells

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12
Q

What are leukocytes?

A

White blood cells

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13
Q

What are basophils triggered by?

A

Allergens

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14
Q

Platelets, antigen presenting cells, mast cells, and endothelial cells are what type of cells?

A

Accessory cells

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15
Q

What are platelets responsible for?

A

Blood clotting anf inflammation

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16
Q

What is the role of antigen presenting cells?

A

Present antigens to T cells

17
Q

Where are mast cells only found?

A

Connective tissue

18
Q

Where do B cells originate?

A

Bone marrow

19
Q

Where do T cells originate?

A

Thymus

20
Q

What are the 3 types of lymphocytes?

A

B lymphocytes
T lymphocytes
NK cells

21
Q

What do NK cells contain?

A

Granules

22
Q

Where do B cells and T cells accumulate?

A

secondary lymphoid organs

23
Q

What are secondary lymphoid organs?

A

lymph nodes, spleen, MALT

24
Q

What is the key to immunity?

A

clonal expansion

25
Q

What does clonal expansion achieve?

A

more activated and memory cells

26
Q

What do lymphocytes circulate through the body by?

A

blood and lymphatics

27
Q

What are phagocytic cells derived from?

A

Monocytes

28
Q

What do phagocytic cells do?

A

phagocytose
concentrate antigens
process/ present antigen to T cells

29
Q

What do phagocytic cells secrete?

A

Growth factor and cytokines

30
Q

What cells migrate to tissues where immune response occurs?

A

Macrophages

31
Q

What 3 types of cells need to cooperate for the immune response?

A

B cells
T cells
APC

32
Q

What is a cytokine?

A

A protein that helps the immune response inflammation

Immunology (6 decks)

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