Adaptive Immune system A&P Test 3

Match the ANTIBODY class to this description:
Predominant antibody in mucus, saliva, tears and milk

IgA

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Crosses the placenta, giving passive immunity to the foetus

IgG

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The most abundant antibody found in blood plasma and chief antibody released during secondary responses.

IgG

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Binds to the surface of mast cells and mediates an allergic response

IgE

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Virtually always bound to the surface of a B cell; its antigen receptor

IgD

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The first antibody released during the primary response; indicates a current infection

IgM

State whether the following are an example of passive or active immunity:
An individual receives Sabin polio vaccine

Active

State whether the following are an example of passive or active immunity: 'borrowed' immunity

Passive

State whether the following are an example of passive or active immunity:
An individual has chicken pox

Active

State whether the following are an example of passive or active immunity:
Antibodies migrate through a pregnant woman's placenta into the vascular system of her foetus

Passive

The antibody mechanism that blocks active parts on a virus is?

Neutralisation

B lymphocytes develop immunocompetence in the?

bone marrow

Small molecules that bind with self proteins to produce antigenic substances are called?

haptens

The only T cells that can directly attack and kill other cells are the?

cytotoxic cells

Name a characteristic of complete antigens?

reactivity with an antibody

T lymphocytes are produced in the?

Bone marrow

The primary immune response?

Has a lag period while B cells proliferate and differentiate into plasma cells

Cellular ingestion and destruction of particulate matter is called phagocytosis?

True

The directional movement of cells in response to chemicals is called chemotaxis?

True

Tolerance for self antigens is abnormal?

False

Adaptive immunity is provided only by lymphocytes that secrete antibodies?

False

Name the antigen that "binds cells" / reaction occurs when mismatched blood is transferred : Best test for blood typing

Agglutination

Name the antigen that "masks / blocks a cell" / simplest defensive mechanism

Neutralization

Name the antigen that "cross-links into large complexes that settle out of soulution"

Precipitation

Name the Chief antibody defense used against cellular antigens / causes cell lysis

Complement fixation & activation