100% Correct
C3, the least important complement component, forms two fragments; C3b, which works as a
chemoattractant, and C3a, which tags pathogens for destruction.
True or False Answer-False
Upon antigen recognition, B-cells can differentiate into ______ and T-cells can differentiate into
______.
Plasma cells; cytotoxic T-cells
Plasma cells; helper T-cells
Effector B-cells; plasma cells
A&B
A, B & C Answer-A & B
Plasma cells; cytotoxic T-cells
Plasma cells; helper T-cells
,Immunology Final Exam; Questions & Answers
100% Correct
What is the initial protease in the Classical pathway?
Factor D
MASP
Factor B
C1S Answer-C1S
The _____ immune response is known to be fixed while the _____ immune response is known
to be flexible but specific.
Adaptive; innate
Innate; adaptive
Protective; adaptive
Adaptive; protective Answer-Innate; adaptive
An organism that can cause disease when the host immune defenses are weak or when it
establishes somewhere in the body it is not commonly found is called:
Commensal pathogen
Advantageous pathogen
,Immunology Final Exam; Questions & Answers
100% Correct
Opportunistic pathogen
None of the above Answer-Opportunistic pathogen
Once a pathogen breaches the skin and mucosal barriers, the adaptive immune response
quickly kicks in to try and eliminate it.
True
False Answer-False, innate responds first
Antibodies are responsible for neutralization, opsonization and direct destruction of pathogens.
True
False Answer-False
Considering antibodies are used to initiate one of the cascades, the correct order (timing) of
activation from fastest to slowest is: 1) Alternative, 2) Lectin, 3) Classical.
True
False Answer-True
What is another name for an immunoglobulin?
, Immunology Final Exam; Questions & Answers
100% Correct
Antibody
BCR
TCR
A&B
A, B, & C Answer-A & B , Antibody and BCR
Which control protein makes sure C3b is heavily deposited on the surface of pathogens?
Properdin
Factor P
MCP
A&B Answer-A & B, Properdin and Factor P
T-cells complete their maturation in which of the following tissue or organs?
Bone marrow
Thymus
Lymph nodes
Spleen
Peyer's patch Answer-Thymus