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HSC 4504 FINAL EXAM QUESTION BANK. 654 QUESTIONS AND CORRECT ANSWERS, WITH COMPLETE SOLUTION. UPDATED 2024, ACTUAL EXAM QUESTIONS INCLUDED.(DOWNLOAD TO PASS YOUR HSC 4504 FINAL EXAM)€14,28
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HSC 4504 FINAL EXAM QUESTION BANK. 654 QUESTIONS AND CORRECT ANSWERS, WITH COMPLETE SOLUTION. UPDATED 2024, ACTUAL EXAM QUESTIONS INCLUDED.(DOWNLOAD TO PASS YOUR HSC 4504 FINAL EXAM)
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HSC 4504 FINAL EXAM QUESTION BANK. 654 QUESTIONS AND CORRECT ANSWERS, WITH COMPLETE SOLUTION. UPDATED 2024, ACTUAL EXAM QUESTIONS INCLUDED.(DOWNLOAD TO PASS YOUR HSC 4504 FINAL EXAM)
A fibrotic mass of macrophages that surrounds & walls off the source of inflammation is known as a _____________....
HSC 4504 FINAL EXAM QUESTION BANK. 654 QUESTIONS
AND CORRECT ANSWERS, WITH COMPLETE SOLUTION.
UPDATED 2024, ACTUAL EXAM QUESTIONS INCLUDED.
(DOWNLOAD TO PASS YOUR HSC 4504 FINAL EXAM)
A fibrotic mass of macrophages that surrounds & walls off the source of
inflammation is known as a _____________.
granuloma
Which property of the adaptive immune system enables it to respond to a large
variety of antigens?
diversity
The type of immune response mediated by naive lymphocytes that occurs on first
exposure to antigen is called:
primary
Activated T lymphocytes preferentially migrate to
inflamed tissues
Immunity mediated by antibodies is known as
humoral immunity
Which property of the adaptive immune system leads to rapid and enhanced
responses to repeat exposures to the same antigens?
memory
Cellular messengers that mediate immune responses are known as:
cytokines
The name of the organ that raises the body's temperature when stimulated by
endogenous pyrogens released by white blood cells is the:
hypothalamus
Lymphocytes are the only cells with clonally distributed receptors with fine
specificities for different antigens.
True
Acquired immunity is both antibody and cell‐mediated.
True
Which property of the adaptive immune system ensures that distinct antigens
elicit responses that target those antigens?
specificity
Which of the following is NOT a type of immune effector cell?
erythrocyte
Which of the following is NOT a type of antigen presenting cell?
red cell
An overactive immune response to harmless antigens is called
hypersensitivity
The innate cell type important in first line of defense against microbes is the:
neutrophil
,Which type of host defense mediates initial protection against infections and is
always present in healthy individuals?
innate immunity
Antigen presenting cells capture antigens of microbes that enter through
epithelia, concentrate these antigens in lymphoid organs, and display the
antigens for recognition by T cells.
True
Lymphadema occurs when lymphatic fluid accumulates in the soft tissues,
especially arms and legs.
true
Monocytes can differentiate into which cell type?
dendritic cells
In the Lymph nodes, paracortex contains
Tcells and antigen presenting cells
Lymph node filter lymph of the pathogens and other debris and return the fluid
back to the circulatory system.
True
Which of the following is not derived from a myeloid progenitor cell?
NK cell
What is TRUE about macrophages?
They kill intracellular pathogens
These cells of the immune system are recruited from the circulation to sites of
infection and tissue damage during inflammation
Phagocytes
Which cell is most important for the defense against parasitic organisms ?
Eosinophils
Which primary lymphoid organ generates all circulating blood cells in an adult as
well as it is a site for B cell maturation
Bone marrow
Which of the following cell plays a role in allergic reactions ?
Basophils
Which of the following cells is not an antigen presenting cell ?
T-cells
Which progenitor is most often associated with adaptive immunity?
Lymphoid progenitors
The two principal phagocytes are:
Neutrophils and monocytes
What is NOT a function of the lymphatic system?
Maintain the blood pressure and maintain homeostasis
Mucosa Associated Lymphoid Tissue (MALT) is an encapsulated tissue in
mucosa of respiratory, gastrointestinal & genitourinary tract and makes up > 50%
of the lymphoid tissue.
False
The ________ is the largest secondary lymphoid organ and filters blood to
remove antigens.
spleen
,Which of the following lymphoid cells do not specifically recognize antigen?
Natural Killer Cells
The adaptive immune function of the spleen is found in the _______________.
White pulp
Choose the correct statement about T- cells
specifically recognize Ag (via the TcR)
Which of the following is not a component of innate immunity?
Antibodies
Which of the following organs is responsible for maturation of T cells?
thymus
I am a circulating cell involved in IgE type allergic reactions. I am a mediator of
allergic reactions because I can release granules that contain heparin and
histamines. I am a:
Basophil
I am a professional at finding antigens and have a very long reach. I frequently
interact with T cells (shown in green in pic) in antigen presentations. I am a:
dendritic cell
MALT organs include:
All of the above
Antigen presentation and immune responses do not occur in the primary
lymphoid organs.
True
Primary lymphoid organs include:
C and D
I non-specifically recognize altered MHC proteins on the surface of virally
infected or "corrupted" cancer cells. I then release toxic molecules to kill the
altered cell (in the picture I am killing a cancer cell) . I am a:
natural killer cell
Which of the following statements about mast cells is FALSE?
Important defense against parasitic infections
Which of the following is NOT a characteristic of macrophages?
Dampen allergic and inflammatory responses
True or False: Inflammation is the body's specific response to antibodies or
physical damage.
False
Macrophages not only have a key role in phagocytosis, but they also play a part
in which of the following processes?
All of the above
I live in the bone marrow & I am the mother of all cells. I continuously divide &
then differentiate to create new cells of different lineages. I am a:
stem cell
In the spleen, T lymphocytes are located in the:
PALS
Choose the INCORRECT statement about acquired immunity.
The primary defense mechanism of acquired immunity is from macrophages.
Afferent lymphatic vessels transport lymph that contains _________________.
, pathogens and antigens
The most abundant leukocyte type in blood is the ____________, numbering 4,000
to 10,000 per cubic millimeter.
neutrophil
Chronic granulomatous disease is due to an inherent deficiency of
phagocyte oxidase enzyme
Neutrophil extracellular traps are formed of:
nuclear contents, especially histones
Most of microbes in food are destroyed in the __________ of the stomach.
acidic environment
The intestinal surface is covered with finger-like protrusions called:
villi
A complement deficiency can be easily treated.
False
The specificity of the adaptive immune system is less diverse than the innate
immune system.
False
Choose the TWO types of circulating phagocytes.
neutrophils, monocytes
The receptors of the innate immune system are encoded in the ____________.
germ-line
Inherited germline genes can generate many more structurally different receptors
than can be produced from gene recombination.
False
The specificity of the adaptive immune system is much more diverse than the
innate immune system.
True
Innate immune responses enhance adaptive immunity by ___________.
providing the necessary second signals (co-stimulators) for activation of B & T
lymphocytes.
The innate immune system responds to repeat exposure with a microbe in
the same way every time
The classical pathway of complement activation is
triggered after antibodies bind to microbes or other antigens.
Which of the following is NOT a portal of entry for microbes into the body?
liver
Many plasma proteins (e.g., complement, C-reactive protein, mannose-binding
lectin) increase rapidly in circulation after infection. This protective response is
called ______.
an acute phase response
TLR 9 is specific for
Unmethylated CpG oligonucleotides
The major goal of Acute Inflammation is:
to allow products of the immune response to enter area of infection or damage
The genetic code for the receptors of innate immunity is not encoded in the
germline.
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