Medical Quiz

Immunology Quiz


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A T lymphocyte which has not encountered an antigen yet

A. Novice

B. Small

C. Stem

D. Naive


A type of cell that “digests” pathogens is known as a/an:
A. helper T cell
B. macrophage
C. suppressor T cell
D. plasma cell


The basic antibody unit is composed of

A. 2 identical heavy chains and 2 different light chains

B. 2 identical heavy chains and 2 identical light chains

C. 2 different heavy chains and 2 identical light chains

D. 2 different heavy chains and 2 different light chains


A small injected dose of a pathogen that stimulates the production of antibodies is:
A. histamine
B. interferon
C. pathogen
D. vaccine


This reaction may cause sneezing, watery eyes, and cough in response to a foreign substance:
A. immune response
B. allergic response
C. interferon response
D. None of the above responses are correct


______ are large cluster of lymphatic cells found in the pharynx

A. adenoids

B. thymus

C. lymph nodes

D. tonsils


The first line of localized defense of the immune system is:
A. lymphatic response
B. infection response
C. auto-immune response
D. inflammatory response


Your immune system is also found in the skin?

A. TRUE

B. FALSE


The first line of defense against antigen is the _________ system.
A. respiratory
B. digestive
C. integumentary
D. lymphatic


Signs of an inflammatory reaction include redness, swelling, heat, and itch.
A. TRUE
B. FALSE


The CD4 is present as part of ————– in T lymphocytes

A. CD28 R

B. TCR complex

C. Microcomplex

D. ILR complex


An inflammation reaction involves the

A. release of histamines.

B. agglutination of bacteria.

C. production of immunoglobulin.

D. vaseconstriction of blood vessels.


The graph shows the antibody levels in the blood after a person has been exposed twice to the same pathogen. With regard to this pathogen we can conclude that

A. the person has a deficient immune response.

B. the virulence of the pathogen increased between the first and second exposures.

C. antibodies are only produced after a second exposure to the pathogen.

D. memory cells for antibodies against the pathogen exist at the time of the second exposure.


An underactive or overactive immune system can cause health issues

A. TRUE

B. FALSE


Explain the figure.

A. Viral load decreases with increasing immune response

B. second viral load is curbed faster due to memory cells

C. viral load decrease immune response

D. with time both immune response and viral load decreases


This reaction may cause sneezing, watery eyes, and cough in response to a foreign substance:
A. immune response
B. allergic response
C. interferon response
D. None of the above responses are correct




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