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Immunology and Serology Final Exam questions with verified answers.
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Immunology and Serology Final Exam questionswith verified answers
A codon consists of a sequence of how many nucleotides? Ans✓✓-three
What amino acid is used to initiate most proteins in eukaryotes? Ans✓✓-
Methionine
The process of protein synthesis is also called: Ans✓✓-translation
Protein structure characterized by the combination of different proteins that all
together are required for protein function is which level of protein structure?
Ans✓✓-Quaternary
Nucleotides in DNA consist of which of the following? Ans✓✓-Nitrogen base,
deoxyribose, and phosphate
A specific function of the immune system is to: Ans✓✓-all of the above
recognize self from nonself.
defend the body against nonself
Retain latent protection for future exposures
An undesirable consequence of immunity is: Ans✓✓-an autoimmune disorder
If microorganisms penetrate the first line of defense, a second line of
____________ form defense mechanisms that become operational. Ans✓✓-
cellular and humoral components
,The most dramatic immediate hypersensitivity reaction is: Ans✓✓-anaphalyxis
The type of immunoglobulin involved in type I hypersensitivity reactions is:
Ans✓✓-IgE
Mechanisms of innate immunity: Ans✓✓-two of the answers are correct
An antigen is described as a substance that: Ans✓✓-all 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:
Ans✓✓-human leukocyte antigen
Haptens are characterized as being: Ans✓✓-antigenic when coupled to a carrier
molecule
Which immunoglobulin (Ig) class is the first to be manifested after antigen
exposure? Ans✓✓-IgM
Which immunoglobulin (Ig) class is produced in the highest concentration in a
secondary (anamnestic) response? Ans✓✓-IgG
Tears, saliva, and other body secretions typically contain: Ans✓✓-IgA
, Monoclonal antibodies are: Ans✓✓-all 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: Ans✓✓-yolk
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? Ans✓✓-neutrophils
The name of the process that promotes attraction of phagocytic cells toward a
foreign particle is: Ans✓✓-chemotaxis
Enhancement of phagocytosis by the coating of foreign particles with serum
proteins is called: Ans✓✓-opsonization
Macrophages: Ans✓✓-all 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: Ans✓✓-all of the above
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