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Problem MC7
The major class of immunoglobulin found on the surfaces of the walls of the intestines and airways is secretory:
a. IgG
b. IgM
c. IgA
d. IgE
e. IgD
Problem MC5
Among the key molecules that control cell-mediated cytotoxicity are:
a. Perforin
b. Immunoglobulins
c. Complement
d. Cytokines
ie. Interferons
Problem MC3
Rejection of a foreign skin graft is an example of:
a. Destruction of virus-infected cells
b. Tolerance
c. Antibody-mediated immunity
d. A secondary immune response
e. A cell-mediated immune response
Problem MC2
MHC class II molecules bind to _________ and trigger __________ .
a. endogenous antigens; cytotoxic T cells
b. exogenous antigens; cytotoxic T cells
c. antibodies; B cells
d. endogenous antigens; helper T cells
e. exogenous antigens; helper T cells
Problem MC1
Antibodies function to __________ .
a. Directly destroy foreign organ grafts
b. Mark invading organisms for destruction
c. Kill intracellular viruses
d. Directly promote cytokine synthesis
e. Stimulate T cell growth
Problem V2
The nearby image is a transmission electron micrograph of a dendritic cell. Indicate where a scientist could find molecules of MHCI and MHC II. Label a pseudopod and a vesicle.
Problem SA1
When is antigen processing an essential prerequisite for an immune response?
Problem MC8
Which cells express MHC class I molecules in a patient?
a. Red blood cells
b. Antigen-presenting cells only
c. Neutrophils only
d. All nucleated cells
e. Dendritic cells only
Problem MC9
In which of the following sites in the body can B cells be found?
a. Lymph nodes
b. Spleen
c. Red bone marrow
d. Intestinal wall
e. All of the above
Problem MC10
Tc cells recognize epitopes only when the latter are held by:
a. MHC proteins
b. B cells
c. Interleukin 2
d. Granzyme
Problem SA2
Why does the body have both antibody and cell-mediated immune responses?
Problem 16.4a
An autoantigen is ____________ .
a. an antigen from normal microbiota
b. a normal body component
c. an artificial antigen
d. any carbohydrate antigen
e. nucleic acid
Problem 17.7a
How does nephelometry differ from turbidimetry?
Problem 18.1a
Label the four types of grafts on the accompanying figure.
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Problem 18.2a
Why is a child born to an Rh+ mother not susceptible to Rh-related hemolytic disease of the newborn?
Problem 18.3a
Indicate whether each statement is true or false. If the statement is false, change the underlined word or phrase to make the statement true.
_____ ABO blood group antigens are found on nucleated cells.
Problem 18.3a
Why is a person who produces a large amount of IgE more likely to experience anaphylactic shock than a person who instead produces a large amount of IgG?
Problem 18.4a
Contrast autografts, isografts, allografts, and xenografts.
Problem 18.5a
Indicate whether each statement is true or false. If the statement is false, change the underlined word or phrase to make the statement true.
______Graft-versus-host disease can follow a bone marrow isograft.
Problem 18.5a
Compare and contrast the functions of four classes of immunosuppressive drugs.
