Verified Answers
Which of the following is an example of innate T lymphocytes
immunity? - ANSWER -Phagocytosis monocytes-macrophages
A specific function of the immune system is to: - If microorganisms penetrate the first line of defense,
ANSWER -Both a and b. a second line of ________ forms defense
Recognize self from non self mechanisms that become operational. -
Defend the body against non self ANSWER -both a and b
cellular components
humoral components
How are cytotoxic T cells (Tc Cells) and natural killer
(NK) cells similar? - ANSWER -Effective
against virally infected cells Another name for Toll-like receptors is: -
ANSWER -pattern-recognition receptors.
Which of the following white blood cells is capable of
further differentiation in the tissues? - Secondary antibody stimulation results in a reaction
ANSWER -Monocyte that is termed - ANSWER -anamnestic
A natural antibody has been stimulated by a (an) - From the following, identify a specific component of
ANSWER -unknown antigen the adaptive immune system that is formed in
response to antigenic stimulation: - ANSWER -
Immunoglobulin
The immune system has distinctive characteristics,
such as immobility. True or false. - ANSWER -
False The process of inflammation is characterized by all of
the following except: - ANSWER -Decreased
capillary permeability
Immunology is defined as the system responsible for
the recognition and disposal of foreign (non self)
material. True or false. - ANSWER -True All of the following are immunological functions of
complement except: - ANSWER -Induction of
antiviral state
Mechanisms of innate immunity: - ANSWER -
Both a and b Induction of an antiviral state
are activated immediately after infection Opsonization
quickly begin to control multiplication. Chemotaxis
Anaphylatoxin formation
The first line of defense against infection is: -
Which two organs are considered the primary
ANSWER -unbroken skin or mucous
lymphoid organs in which immunocompetent cells
membranes.
originate and mature? - ANSWER -Thymus and
bone marrow
Cell-mediated immunity is moderated by: -
ANSWER -both b and c
Which of the following cells is capable of binding to
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, Immunology and Serology Exam 1 Test Questions with
Verified Answers
and killing microorganisms? - ANSWER -
Neutrophil are produced by lymphocytes
act on various elements of the immune system
are molecular structures
All of the following are functions of immunoglobulins
except: - ANSWER -Interacting with Tc cells to
lyse viruses Artificial passive immunity is achieved by: -
ANSWER -infusion or injection of preformed
specific antibody
Immunology is defined as the desirable and
undesirable consequences of immune interactions. -
ANSWER -True Skin, lactic acid secretions, stomach acidity, and the
motion of cilia represent which type of immunity? -
ANSWER -Natural
The "father" of immunology is generally considered to
be: - ANSWER -Pasteur
Which markers are found on mature, peripheral
helper T cells? - ANSWER -CD 2, CD 3, CD 4
Acquired immunity can result from:
Not contracting a disease
genetic inheritance - ANSWER -..... Which MHC class of antigens is necessary for
antigen recognition by CD4-positive T cells? -
ANSWER -Class II
B lymphocytes respond to: - ANSWER -native
antigenic determinants of appropriate fit.
A child who contracts a contagious disease from an
older sibling could develop ____________ immunity
Enhancement of phagocytosis by coating of foreign against the disease.
particles with serum proteins is called - Not natural passive - ANSWER -......
ANSWER -opsonization
Immunology is defined as the study of molecules,
Which T cells expresses the CD8 marker and acts cells, organs, and systems. - ANSWER -True
specifically to kill tumors or virally infected cells? -
ANSWER -T cytotoxic
An early form of immunization was practiced by the:
Not:
The immune system has distinctive characteristics, Romans - ANSWER -.....
such as specificity. - ANSWER -True
Antibodies are produced by: - ANSWER -B cells
T lymphocytes respond to: - ANSWER -
antigens presented on the surface of an antigen-
presenting cell. The immune system has distinctive characteristics,
such as memory. - ANSWER -True
Cytokines: - ANSWER -all of the above
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