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Microbiology
Learn the toughest concepts covered in Microbiology with step-by-step video tutorials and practice problems by world-class tutors.
20. Adaptive Immunity
Major Histocompatibility Complex Molecules
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1
concept
Major Histocompatibility Complex Molecules
2m
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2
concept
Classes of MHC Molecules
7m
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3
Problem
Which markers are found on all nucleated cells?
A
MHC class I.
B
MHC class II.
C
CD4.
D
CD8.
4
Problem
MHC class II molecules are found on:
A
Basophils & macrophages.
B
B cells & Neutrophils.
C
Macrophages & Dendritic cells.
D
T helper cells & Macrophages.
E
All antigen presenting cells (APCs).
5
Problem
Once an MHC II molecule on an APC presents an antigen:
A
Effector cells with CD8 markers activate the APC.
B
Effector cells with CD4 kill the APC.
C
Effector cells with CD8 kill the APC.
D
Effector cells with CD4 activate the APC.