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Immunology
Quiz 1
301
Veterinary Medicine
Professional
07/08/2010

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Cards

Term
Ag
Definition
Antigen
Term
MHC
Definition
Major Histocompatibility Complex
Term
TCR
Definition
T Cell Receptor
Term
APC
Definition
Antigen Presenting Cell
Term
What individuals have identical MHC molecules?
Definition
Identical Twins
Term
What are MHCs coded by?
Definition
DNA
Term
What cells do not contain MHCs?
Definition
Non-nucleated (RBCs), Gametes, Neurons, Placental Trophoblast Cells
Term
Why would an individual not respond to a pathogen?
Definition
No MHC to bind its Ag
Term
What determines the MHC molecules an animal can make?
Definition
MHC Genes
Term
What is MHC Restriction?
Definition
The requirement for Ag to be bound to a self-MHC molecule to elicit an immune response when it interacts with/binds to the TCR on a T lymphocyte
Term
What cells have MHC I molecules?
Definition
Nucleated Cells
Term
What cells have MHC II molecules?
Definition
APCs
Term
What do MHC I molecules present antigenic fragments to?
Definition
Cytotoxic T/Killer T (CD8) Cells
Term
What do MHC II molecules present antigenic fragments to?
Definition
Helper T (CD4) Cells
Term
CD
Definition
Cluster Differentiation
Term
MoAb
Definition
Monoclonal Antibody
Term
CMI
Definition
Cell Mediated Immunity
Term
Immunity
Definition
Body defenses that protect against disease
Term
Physical barriers in the respiratory tract
Definition
coughing, sneezing, muco-ciliary flow
Term
Physical barriers in the GI tract
Definition
vomiting, diarrhea
Term
Innate immunity - chemicals
Definition
Defensins, Lysozyme
Term
Innate immunity - cells
Definition
neutrophils, macrophages
Term
What is the most important innate immune response?
Definition
inflammation
Term
______ immunity lacks memory, whereas _____ immunity has memory
Definition
innate immunity, acquired immunity
Term
Which immune system responds immediately?
Definition
Innate
Term
Examples of foreign invaders
Definition
pathogenic microbe, allergen, tissue graft (from non-identical twin)
Term
Which immune system generates lymphocytes?
Definition
Acquired
Term
Which immune system is antigen-driven?
Definition
Acquired
Term
Which lymphocytes are part of humoral immunity?
Definition
B lymphocytes
Term
Which lymphocytes are part of CMI?
Definition
T lymphocytes
Term
What do B lymphocytes make?
Definition
Antibody
Term
Which type of immunity targets extracellular invaders?
Definition
Humoral
Term
Which type of immunity targets intracellular pathogens?
Definition
CMI
Term
What are some examples of hypersensitivities?
Definition
Allergies & Asthma
Term
What is an example of autoimmunity?
Definition
Multiple Sclerosis
Term
What are some examples of neoplasia of the immune system?
Definition
Leukemia, Lymphosarcoma
Term
What is the first line of defense after microbial invasion?
Definition
Innate immunity
Term
What are the main cells that migrate to the site of inflammation?
Definition
Neutrophils & Macrophages
Term
Which phagocytic cells are in the blood?
Definition
Monocytes & Neutrophils
Term
Which phagocytic cells are in the tissues?
Definition
Macrophages
Term
What are defensins?
Definition
Antibacterial peptides
Term
What are interferons?
Definition
Cytokines that interfere with viral replication
Term
What are complement proteins?
Definition
A group of serum & cell-surface proteins that can be activated by both innate & acquired immune mechanisms & result in a variety of biological events
Term
What are opsonins?
Definition
Complement proteins & other proteins such as some types of antibodies, which can coat microbes & help with phagocytosis by other cells
Term
What are cytokines?
Definition
proteins that mediate cellular interactions & regulate cell growth & secretion
Term
RB
Definition
Respiratory Burst
Term
What enzyme is involved in RB?
Definition
Myeloperoxidase
Term
What does lysozyme attack?
Definition
Carbohydrates in the cell wall of Gr+ bacteria
Term
What do collagenases do?
Definition
Digest basement membranes btw endothelial cells
Term
What is another name for neutrophils?
Definition
Polymorphonuclear Leukocytes
Term
PMN
Definition
Polymorphonuclear Leukocytes (neutrophils)
Term
What are the 1st & major phagocytes to respond to infections?
Definition
Neutrophils
Term
What is the circulating pool of neutrophils?
Definition
The cells you see when you do a blood sample - moving as fast as other blood cells
Term
What is the marginating pool of neutrophils?
Definition
Where cells adhere to endothelium
Term
Cats have 3 times as many _____ neutrophils as _____ neutrophils
Definition
Marginating, Circulating
Term
What is neutrophilia?
Definition
Above normal concentration of neutrophils in the blood
Term
What can cause MP to move into CP, leading to neutrophilia?
Definition
Stress, glucocorticoids, epinephrine, inflammation, leukocyte adhesion deficiency
Term
What is the proliferation, maturation, and storage pool for neutrophils?
Definition
Bone marrow
Term
How long do neutrophils live?
Definition
6 hours to a few days
Term
What are the "martyrs of the immune system?"
Definition
Neutrophils
Term
What do dying neutrophils attract?
Definition
Macrophages
Term
When do neutrophils become active?
Definition
Immediately upon release from bone marrow
Term
What are integrins?
Definition
Cell surface protein molecules that promote adherence of the cell to various things
Term
What are the 4 steps of phagocytosis?
Definition
Chemotaxis, Adherence to Microbe, Ingestion of Microbe, Destruction of Microbe
Term
What are chemokines?
Definition
a family of chemotactic cytokines that serve as attractants for specific cell populations, thus, help mediate an inflammatory response
Term
What type of receptors do neutrophils have?
Definition
FcR, R for complement proteins
Term
What is the vacuole into which antigens are ingested in phagocytic cells?
Definition
Phagosome
Term
What is needed for RB?
Definition
Oxygen
Term
What are some bacterial pathogens that can survive inside macrophages?
Definition
Mycobacterium bovis, Rhodococcus equi, Brucella abortus, Listeria monocytogenes, Salmonella typhimurium
Term
What is scours?
Definition
Severe, watery diarrhea
Term
What is the term for increased WBC count?
Definition
Leukocytosis
Term
What are eosinophils primarily involved in?
Definition
Killing parasites
Term
What cells have granules with vasoactive amines (histamine & serotonin)?
Definition
Basophils
Term
What are basophils involved with?
Definition
Allergic Responses
Term
What are some local types of macrophages?
Definition
Kupffer cells in liver, Histiocytes, Microglia, Osteoclasts
Term
What down-regulates macrophages?
Definition
Steroids & Prostaglandins
Term
What is secreted by macrophages?
Definition
Lysozymes, proteases, complement proteins, cytokines (monokines & interleukins)
Term
What are interleukins?
Definition
Proteins that act as growth & differentiation factors for cells of the immune system
Term
What are some major cytokines of macrophages?
Definition
IL-1, -6, -12, TNF-alpha
Term
IL
Definition
Interleukin
Term
Which IL has potential use as an adjuvant in vaccines?
Definition
IL-12
Term
What cytokine is produced by both macrophages & mast cells?
Definition
TNF-alpha
Term
TNF
Definition
Tumor Necrosis Factor
Term
PIM
Definition
Pulmonary Intravascular Macrophages
Term
What size is considered a large antigen?
Definition
>60kDa
Term
What is the fate of large antigens?
Definition
Removed by phagocytic cells
Term
What is an extremely important function of macrophages?
Definition
APCs
Term
PRR
Definition
Pattern Recognition Receptor
Term
PAMP
Definition
Pathogen Associated Membrane Patterns
Term
What molecules are essential for survival of microbes, and therefore do not mutate or change expression?
Definition
PAMP
Term
What is the most important group of PRR?
Definition
TLR
Term
TLR
Definition
Toll-like receptors
Term
How many TLRs have been identified?
Definition
At least 10
Term
What cell types express TLRs?
Definition
Macrophages, Mast cells, Dendritic cells, Eosinophils, Neutrophils
Term
Which immune system do NK cells belong to?
Definition
Innate
Term
NK
Definition
Natural Killer
Term
How do NK cells kill their target cells?
Definition
Releasing perforin from granules
Term
What receptors do NK cells have?
Definition
FcR, CPR
Term
What is the most important function of NK cells?
Definition
Viral immunity & defense against tumors
Term
What do NK cells receive inhibitory signals from?
Definition
Cells that express MHC-I molecules
Term
What type of cells do NK cells recognize & kill?
Definition
Cells that do not express MHC-I (tumor cells, virally infected cells)
Term
What type of proteins do NK cells recognize?
Definition
Those not present on normal, healthy cells - i.e. proteins expressed on cells undergoing stress
Term
How do NK cells recognize antibody?
Definition
FcR
Term
How do NK cells kill?
Definition
Mainly by apoptosis
Term
What are NK cells regulated by?
Definition
Cytokines
Term
What is expressed by many virally-infected cells and recognized by NK cells?
Definition
IFN-alpha
Term
What are antigens?
Definition
Molecular structures that the immune system (acquired) can recognize & respond to; Molecules capable, under appropriate conditions, of inducing a specific immune response, & capable of interacting w/ the products of that immune response
Term
What type of molecules can Ag interact with?
Definition
Antibody, TCR on T-lymphocytes, BCR on B-lymphocytes, MHC molecules
Term
What is antigenicity?
Definition
the ability of an Ag to bind w immune components (antibody & TCR)
Term
What is immunogenicity?
Definition
The ability of Ag to induce an immune response
Term
What is a good molecular size for immunogenicity?
Definition
>1000 Daltons (>1kDa)
Term
What is an example of a bacteria w/ a capsular coating that is poorly immunogenic?
Definition
Bacillus anthracis
Term
What makes the best Ag?
Definition
Foreign protein
Term
BLAD
Definition
Bovine Leukocyte Adhesion Deficiency
Term
What must neutrophils be able to do in order to perform their functions?
Definition
Get out of the vasculature (via integrins)
Term
Can eosinophils be phagocytic?
Definition
Yes
Term
What cells maintain sustained phagocytosis?
Definition
monocytes
Term
What type of receptors do macrophages have?
Definition
FcR, CPR, Integrins, Cytokines, PRR
Term
What are some of the cytokines secreted by macs?
Definition
Monokines (pro-inflammatory), ILs
Term
What cells have PRR?
Definition
Macrophages & Neutrophils
Term
Aside from TLR, what are 2 other PAMPs?
Definition
CD14, CD1
Term
What are some examples of good immunogens?
Definition
Proteins, glycoproteins, prokaryotic nucleic acids (CpG motifs), Bacterial LPS, Capsid proteins
Term
What improves stability?
Definition
Fixing with heat or formaldehyde
Term
What is an epitope?
Definition
The small portion of the immunogenic molecule which binds with Ab/TCR/BCR
Term
Linear epitopes
Definition
amino acids in linear sequence
Term
Conformational epitope
Definition
amino acids separated, but brought together by folding
Term
Which type of epitope will not be recognized if changed by denaturing?
Definition
Conformational
Term
Are all Ags immunogens?
Definition
No
Term
Are all immunogens Ags?
Definition
Yes
Term
Haptens
Definition
small molecules that are antigenic but are not immunogenic in vivo unless bound to a carrier protein
Term
Give some examples of haptens.
Definition
Some drugs, hormones, toxins
Term
Give 2 specific examples of haptens.
Definition
Penicillin bound to albumin; Urushiol + Skin proteins
Term
What are most microbial Ags?
Definition
Protein Molecules
Term
What determines whether a pathogen is classified as extracellular or intracellular?
Definition
Where it replicates
Term
What pathogens are intracellular?
Definition
Viruses, some bacteria, certain stages of protozoa
Term
What pathogens are extracellular?
Definition
Most bacteria, most parasites
Term
Give some examples of intracellular bacteria.
Definition
Mycobacterium sp., Rhodococcus equi, Listeria monocytogenes, Brucella abortus
Term
What determines whether something is classified as exogenous or endogenous?
Definition
Where the Ag is made
Term
What does the location of Ag production dictate?
Definition
Ag Processing
Term
What is an example of an exogenous Ag?
Definition
Replicating extracellular microbe itself
Term
Give an example of endogenous Ag.
Definition
Proteins made by virus inside the host cell
Term
What is the term for bacteria that can replicate inside macrophages?
Definition
Facultative Intracellular
Term
Give some examples of bacteria that produce endogenous Ag.
Definition
Mycobacterium sp., Rhodococcus equi, Listeria monocytogenes, Brucella abortus
Term
Give an example of a virus that exists outside the host cell for some time before becoming intracellular.
Definition
Rabies
Term
Is humoral immunity effective against HIV?
Definition
No
Term
Is humoral immunity effective against Rabies?
Definition
Yes, while it is extracellular
Term
What are cell surface Ags?
Definition
Molecules expressed on the surface of normal cells that in another animal could stimulate an immune response
Term
What are 2 examples of cell surface Ags?
Definition
Blood group Ags, MHC
Term
What are CD molecules?
Definition
Surface molecules on immune cells
Term
What is the function of CD25?
Definition
Bind IL-2
Term
How are CD molecules identified?
Definition
Using MoAb
Term
APCs present _____ Ag to T-helper cells via MHC _____.
Definition
Exogenous, II
Term
_____ Ag is presented to cytotoxic T-lymphocytes via MHC _____.
Definition
Endogenous, I
Term
What does BCR interact with?
Definition
Soluble, free in soln Ag
Term
What can TCR interact with?
Definition
Ag presented by APC, or an infected, nucleated cell w/i context of self-MHC
Term
How do B-lymphocytes make Ab?
Definition
W/ help from Helper T lymphocytes
Term
What is the professional APC?
Definition
Dendritic Cell
Term
What cells are best for processing & presenting Ag?
Definition
Mature DCs
Term
DC
Definition
Dendritic Cell
Term
What cells are good for Ag capture?
Definition
Immature DC
Term
DCs are found in all organs except _____, parts of _____, & _____.
Definition
Brain, eye, testes
Term
DCs are prominent in ____, ____, & ____.
Definition
Lymph nodes, skin, mucosal surfaces
Term
What APCs can present & activate naive T-cells?
Definition
DCs
Term
DCs are essential for initiating the ____ immune response.
Definition
Primary
Term
What are DCs produced from?
Definition
Bone marrow stem cells
Term
What are the semi-professional APCs?
Definition
Macrophages & B-cells
Term
What is the BCR?
Definition
Membrane-bound Ab
Term
What is a plasma cell?
Definition
A B-cell that can make Ab
Term
A B-cell usually needs help from a ______ to become a plasma cell.
Definition
T-helper
Term
2 membrane-bound Ab mol's (the BCR) bind the Ag... this is called _____
Definition
Cross-linking
Term
What are some "non-professional" APCs?
Definition
Endothelial cells, astrocytes, fibroblasts
Term
What are MHC mol's?
Definition
Specialized glycoproteins
Term
What region of the MHC mol binds the Ag?
Definition
Variable region
Term
How many peptides can a given MHC mol present at a time?
Definition
1
Term
Broad specificity
Definition
The fact that an MHC mol can bind a # of antigenic peptides
Term
What are the critical amino acids of the Ag that must fit into the binding pocket of the MHC?
Definition
Anchor Residues
Term
What determines what Ags an MHC mol can bind & present?
Definition
Structure of binding groove
Term
TCR has _____ specificity
Definition
Unique
Term
What is responsible for graft rejection in non-identical twins?
Definition
MHC molecules
Term
What are some examples of diseases that involve the MHC profile?
Definition
Bovine Lymphoma, Bovine Leukemia Virus, Mareks Dz, Autoimmune Dz (Rheumatoid arthritis), Diabetes, Thyroiditis/Graves Dz
Term
What MHC alleles are associated with diabetes mellitus in dogs?
Definition
DLA-A3, A7. & A10
Term
The more _____ an animal is for MHC, the greater variety of antigenic peptides it can present to its immune sys.
Definition
Heterozygous
Term
What type of animals have more MHC diversity? Examples?
Definition
Social; Antelope, Cattle
Term
What is a cause of genetic erosion?
Definition
Inbreeding
Term
Give an example of an inbred pop that lacks MHC allelic diversity.
Definition
Some pops of cheetahs, Tasmanian devils
Term
DFTD
Definition
Devil Facial Tumor Dz
Term
What is the term for a phagosome fused w/ lysosomes
Definition
Endosome
Term
MHC-II mols can bind peptides that are _____ aa long.
Definition
~20
Term
An APC can express ~ _____ different MHC-II mols.
Definition
200,000
Term
How many different Ags can an APC present simultaneously?
Definition
Many
Term
MHC-II mols present Ag to ____ cells.
Definition
Helper T
Term
What type of cells to CTLs destroy?
Definition
Infected Cells, Tumor Cells, MHC-incompatible cells
Term
MHC-I mols can only bind peptides that are _____ aa long.
Definition
9
Term
An APC can present both _____ & _____ Ag at the same time.
Definition
Exogenous; Endogenous
Term
Cross-Presentation/Cross-Priming
Definition
Under some circumstances, exogenous Ags may enter the endogenous Ag pway & thus be presented via MHC-I to CTLs
Term
What is one example of a molecular chaperone?
Definition
HSP
Term
HSP is important in _____.
Definition
Cross-Presentation
Term
What are sources of fetal lymphoid stem cells?
Definition
Yolk sac, liver, bone marrow
Term
What is the source of lymphoid stem cells in the adult?
Definition
Bone marrow
Term
What are the primary lymphoid organs?
Definition
Thymus, Bursa, Peyers Patches, Bone Marrow
Term
Where do lymphocytes acquire their repertoire of Ag binding receptors?
Definition
Primary lymphoid organs
Term
Where do lymphocytes mature?
Definition
Primary lymphoid organs
Term
Do lymphocytes encounter foreign Ag in Primary lymphoid organs?
Definition
No
Term
What does T-lymphocyte stand for?
Definition
Thymus-derived lymphocyte
Term
Where do T cells mature?
Definition
Thymus
Term
Where do T cell precursors come from?
Definition
Bone marrow
Term
Where does thymocyte gene receptor rearrangement occur?
Definition
Thymus
Term
What leads to the generation of enormous diversity of lymphocytes w/ diff TCRs?
Definition
gene receptor rearrangement
Term
Thymocytes w/ TCR that bind self Ag are _____ & _____.
Definition
Negatively selected, die by apoptosis
Term
What % of thymocytes undergo negative selection?
Definition
95-99%
Term
How long do the survivors of thymocyte negative selection remain in the thymus?
Definition
4-5 days
Term
What 2 populations of thymocytes leave the thymus?
Definition
CD3+/CD4+ and CD3+/CD8+
Term
Where do B cells mature & differentiate in birds?
Definition
Bursa
Term
What % of B cells die via negative selection of self-reacting B cells?
Definition
90-95%
Term
What are Peyers Patches?
Definition
Lymphoid Organs in the walls of the SI
Term
What are Group II mammals?
Definition
Rabbits & Rodents
Term
What is the primary site for B cell development in Group II mammals?
Definition
Bone Marrow
Term
What is the primary site for B cell development in Group I mammals?
Definition
Peyers Patches
Term
What are Group I mammals?
Definition
Ruminants, Pigs, Horses, Dogs, Humans
Term
What occurs to generate a B cell population with diverse BCR?
Definition
B cell receptor gene rearrangement
Term
What are secondary lymphoid organs?
Definition
Lymph nodes, Hemolymph nodes, Spleen, BALT, GALT, Tonsils, Spleen
Term
What are the main sites where Ag trapping & presentation to lymphocytes occurs?
Definition
Secondary Lymphoid Organs
Term
What are Effector B cells?
Definition
Plasma Cells
Term
What are Effector T-cells?
Definition
CTLs & T-helper cells
Term
What predominates in the cortex of lymph nodes?
Definition
B cells
Term
What predominates in the paracortex of lns?
Definition
T-cells & Dendritic Cells
Term
What is the function of lns?
Definition
Filter Ag from lymph
Term
What organ filters Ag from blood?
Definition
Spleen
Term
NK cells, unlike T & B lymphocytes, do not undergo ____ ____.
Definition
Thymic Processing
Term
What is the signal transducer in TCR?
Definition
CD3
Term
What is the signal transducer in BCR?
Definition
CD79
Term
Affinity
Definition
The strength of binding btw Ag & R
Term
What type of epitopes do BCRs see?
Definition
Linear
Term
As a cell pop, B & T lymphocytes must recognize & respond to a lg # of diverse foreign Ags. This is accomplished by _____.
Definition
Somatic Gene Rearrangement
Term
What gene segments are involved in somatic recombination?
Definition
V,D,J
Term
What are the enzymes that mediate somatic gene rearrangement?
Definition
Recombinases
Term
If somatic gene rearrangement is defective, this leads to severe _____.
Definition
immunodeficiency syndromes
Term
If somatic gene rearrangement is defective, functional _____ are not generated
Definition
Ag Rs
Term
With regard to T & B cell progeny, TCRs and BCRs are _____.
Definition
Clonal
Term
Co-stimulatory mols
Definition
Mols needed to recognize mols on the surface of cells that help w/ co-stimulation
Term
Examples of co-stimulatory molecules:
Definition
CD40L, CD28, CTLA-4
Term
Examples of adherence molecules:
Definition
integrins, selectins
Term
What is used for immunophenotyping lymphocytes?
Definition
CD
Term
What are 2 methods of identifying surface molecules on cells?
Definition
Fluorescence microscopy & Flow cytometry
Term
What are the majority of lymphocytes in circulation?
Definition
T-lymphocytes
Term
What % of circulating lymphocytes are T-lymphocytes?
Definition
40-80% (sp dp)
Term
How long do T-lymphocytes circulate?
Definition
Months to Years
Term
How are subsets of T-lymphocytes defined?
Definition
Surface molecules expressed; Functions performed
Term
How many epitopes does a TCR bind?
Definition
1
Term
In T-cells, what occurs first? Signal transduction, or Ag binding?
Definition
Ag binding
Term
What happens to a T-cell after it is signaled by CD3?
Definition
Activated, enters cell cycle, proliferates, secretes cytokines
Term
What is usually necessary for T cell activation?
Definition
Co-stimulators
Term
How many TCRs (identical) are on the surface of each Th cell?
Definition
Several thousand
Term
How many TCR-MHC-peptide interactions are needed to trigger activation of a CD4 T cell?
Definition
~1000
Term
What are the 2 T-helper cell subsets?
Definition
Th1 & Th2
Term
How are T-helper cell subsets defined?
Definition
By the cytokines they make
Term
What do Th1 secrete?
Definition
IL2 & IFN-gamma
Term
What do Th2 secrete?
Definition
IL4 & IL5
Term
What does IL2 do when secreted by Th1 cells?
Definition
Activate other T cells, B cells, NK cells
Term
What does IFN-gamma do when secreted by Th1 cells?
Definition
activate macrophages (promote CMI)
Term
Think _____ when you think of Th1 cells.
Definition
CMI
Term
Think _____ when you think of Th2 cells.
Definition
Humoral Immunity
Term
What do IL-4 & 5 do when secreted by Th2 cells?
Definition
Stimulate B cell proliferation & Ab secretion
Term
Th1 cells promote resistance to _____ pathogens.
Definition
Intracellular
Term
Th2 cells promote resistance to _____ pathogens.
Definition
Extracellular
Term
How long do B cells live?
Definition
~5-7 wks
Term
How long do memory B cells live?
Definition
Years
Term
What % of lymphocytes in circulation are B lymphocytes?
Definition
20-25%
Term
BCR can process & present Ag with _____ molecules.
Definition
MHC-II
Term
What is present in a BCR that is lacking in Ab?
Definition
B cell membrane-spanning tail
Term
What do variable regions of BCR dictate?
Definition
Specificity of R for Ag
Term
Most of the time, the B cell will need help from _____ cells to become fully activated.
Definition
Helper 2 T-cells
Term
What cells mediate Delayed-type Hypersensitivity Response?
Definition
CD4+ T-helper 1 Cells
Term
DTH
Definition
Delayed-Type Hypersensitivity
Term
What is 1 example of DTH?
Definition
PPD Test for TB
Term
What cells of the innate immune sys participate in CMI?
Definition
NK, Macrophages, Neutrophils
Term
How many signals do mature but naive T cells need for activation?
Definition
2
Term
Proliferation of a mature, naive T cell is _____ dependent.
Definition
IL2
Term
Co-stimulatory mols trigger T cell entry into ____ of the cell cycle
Definition
G1
Term
How often/for how long do T cells divide?
Definition
2-3x/day for 5 days
Term
Memory & Effector T cells express more _____ than naive T cells.
Definition
Adhesion molecules
Term
Upon activation, a naive CD4+ T cell can differentiate along 2 pways giving rise to _____ & _____.
Definition
CD4+ Th1 lymphocytes, CD4+ Th2 lymphocytes
Term
Th1-dominated response primarily promotes _____.
Definition
CMI Response
Term
Th2-dominated response primarily promotes _____.
Definition
Humoral Immune Respone
Term
What are the 2 types of killed Rabies vaccines?
Definition
HDCV & PCEC
Term
HDCV
Definition
Human Diploid Cell Vaccine
Term
PCEC
Definition
Purified Chick Embryo Cell Vaccine
Term
What is the route of both killed Rabies vaccines?
Definition
IM
Term
HRIG
Definition
Human Rabies Immune Globulin
Term
What Immunoglobin/Ab is given to Rabies postexposure non-immunized individuals?
Definition
HRIG
Term
What is the route of HRIG?
Definition
Local infusion @ wound site, w/ add'l amt IM @ site distant from vaccine
Term
What type of Ab is HRIG?
Definition
Human Ab against the rabies virus
Term
What is the reservoir for Rabies in Grenada?
Definition
Mongoose
Term
What is the Tx for rabies post-exposure non-immunized individuals?
Definition
Wound cleansing, HRIG, & Vaccine
Term
What is the Tx for rabies post-exposure previously-immunized individuals?
Definition
Wound Cleansing, NO HRIG, & Vaccine
Term
Describe wound cleansing for a rabies post-exposure non-immunized individual.
Definition
Immediate thorough cleansing of all wounds w/ soap & water
Term
Describe wound cleansing for a rabies post-exposure previously-immunized individual.
Definition
Immediate thorough cleansing of all wounds w/ soap & water. If available, an agent w/ some anti-viral activity, such as povidine-iodide sol'n should be used to irrigate the wounds.
Term
Describe administration of HRIG in rabies post-exposure non-immunized individuals.
Definition
If possible, the full dose should be infiltrated around any wound(s) & any remaining volume should be administered IM @ an anatomical site distant from vaccine admin
Term
Describe vaccine admin in rabies post-exposure non-immunized individuals.
Definition
4 vaccinations, HDCV or PCEC 1.0 mL, IM (deltoid area), 1 ea on days 0, 3, 7, 14
Term
Describe vaccine admin in rabies post-exposure previously-immunized individuals.
Definition
2 vaccinations HDCV or PCEC 1.0 mL, IM (deltoid area), 1 ea on days 0 & 3
Term
Why shouldn't HRIG be administered to previously immunized individuals?
Definition
They already have Ab b/c their initial vaccination stimulated Ab production
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