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Immunology and Serology Final Exam questions with correct answers 2024/2025
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Immunology and Serology Final Exam questions with correct answers 2024/2025
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Immunology and Serology Final ExamA codon consists of a sequence of how many nucleotides? - ANSthree
What amino acid is used to initiate most proteins in eukaryotes? - ANSMethionine
The process of protein synthesis is also called: - ANStranslation
Protein structure characterized by the combination of different proteins that all together are
required for protein function is which level of protein structure? - ANSQuaternary
Nucleotides in DNA consist of which of the following? - ANSNitrogen base, deoxyribose, and
phosphate
A specific function of the immune system is to: - ANSall of the above
recognize self from nonself.
defend the body against nonself
Retain latent protection for future exposures
An undesirable consequence of immunity is: - ANSan autoimmune disorder
If microorganisms penetrate the first line of defense, a second line of ____________ form
defense mechanisms that become operational. - ANScellular and humoral components
The most dramatic immediate hypersensitivity reaction is: - ANSanaphalyxis
The type of immunoglobulin involved in type I hypersensitivity reactions is: - ANSIgE
Mechanisms of innate immunity: - ANStwo of the answers are correct
An antigen is described as a substance that: - ANSall of the above
stimulates antibody formation
has the ability to bind to an antibody
is capable of stimulating an immune response
Another name for the major histocompatibility complex (MHC) in humans is: - ANShuman
leukocyte antigen
Haptens are characterized as being: - ANSantigenic when coupled to a carrier molecule
Which immunoglobulin (Ig) class is the first to be manifested after antigen exposure? - ANSIgM
, Which immunoglobulin (Ig) class is produced in the highest concentration in a secondary
(anamnestic) response? - ANSIgG
Tears, saliva, and other body secretions typically contain: - ANSIgA
Monoclonal antibodies are: - ANSall of the above
Able to recognize and bind to a specific antigen.
Derived from a single clone of cells.
Used to deliver immunotherapy.
The sequence of blood cell development in the embryo and fetus is: - ANSyolk sac, liver,
spleen, bone marrow
If the first line of nonspecific body defense, intact skin, is cut with a piece of glass contaminated
with Staphylococcus aureus, which cellular component of the immune system quickly responds?
- ANSneutrophils
The name of the process that promotes attraction of phagocytic cells toward a foreign particle is:
- ANSchemotaxis
Enhancement of phagocytosis by the coating of foreign particles with serum proteins is called: -
ANSopsonization
Macrophages: - ANSall of the above
Process antigens
Physically present biologically modified antigens to lymphocytes
Secrete a lymphocyte-activating factor (IL-1) as a result of proper MHC recognition
Surface markers on lymphocytes can be used to: - ANSall of the above
Identify and count CD4+ and CD8+ cells.
Classify leukemic cells.
Monitor patients on immunotherapy.
The T-cell receptor (TCR) recognizes an antigen: - ANSas a peptide bonded to an MHC class II
molecule on the surface of an antigen-presenting cell
In antigen recognition by T lymphocytes, each cell: - ANSall of the above
Is clonally restricted.
Expresses a receptor able to react with a given peptide.
Can only recognize a limited number of antigens.
Which characteristic is not associated with B lymphocytes? - ANSCan directly lyse a foreign
antigen
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