Course

Microbiology

Study Pack

Set 13 Host Defenses Ii Specific Immunity And Immunization

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Question 1

(Multiple Choice)

Free
The major histocompatibility complex is ________.

A)glycoproteins,called MHC antigens,found on all body cells
B)a set of genes that code for MHC glycoproteins
C)found on the third chromosome
D)located in the thymus gland
E)All of the choices are correct.

Answer

Question 2

(Multiple Choice)

Free
Cell surface markers involved in immune reactions ________.

A)are the result of genetic expression
B)function in recognition of self molecules
C)receive and transmit chemical messages among other cells of the system
D)aid in cellular development
E)All of the choices are correct.

Answer

Question 3

(Multiple Choice)

Free
The molecular fragment on an antigen molecule that a lymphocyte recognizes and responds to is called a(n)________.

A)epitope
B)hapten
C)antigen binding site
D)variable region
E)None of the choices are correct.

Answer