Ch 67: Review of the Immune System

Question 1

What is the other term for helper T cells?

Answer 1

CD4 cells

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Question 2

Macrophages begin their existence in the ____ ______, enter the blood as _________, and then infiltrate tissues, where they evolve into ___________. Macrophages are present in all organs and tissues.

Answer 2

bone marrow
monocytes
macrophages

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Question 3

Cytolytic T Cells are also known as…

Answer 3

…CD8 cells, cytotoxic T cells, cytotoxic T lymphocytes.

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Question 4

Cytolytic T cells do not produce __________, rather they….

Answer 4

antibodies
….attack and kill target cells directly.

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Question 5

Macrophages are required for activation of…

Answer 5

…helper T cells and cytolytic T cells.

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Question 6

When macrophages are performing the function of activating T cells, they are referred to as…

Answer 6

…antigen-presenting cells
(APC’s)

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Question 7

Mast cells are derived from _________ and are concentrated in the ____ and _____ ____ _______.

Answer 7

basophils
skin, other soft tissues

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Question 8

Both basophils and mast cells release…

Answer 8

…histamine, heparin, and other compounds that cause the symptoms of immediate hypersensitivity.

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Question 9

Neutrophils avidly devour cells that have been tagged with…

Answer 9

…antibodies of the immunoglobulin G class (IgG).

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Question 10

What are antibodies?

Answer 10

A family of structurally related glycoproteins that mediate humoral immunity.

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Question 11

What are 2 other names for antibodies?

Answer 11

immunoglobulins and gamma globulins

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Question 12

What are the 5 classes of antibodies?

Answer 12

IgA, IgD, IgE, IgG, and IgM

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