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75 Cards in this Set

  • Front
  • Back
these cells are present during acute inflammation
PMNs, basophils, eosinophils, mast cells
(polymorphonuclear leukocytes)
these cells are present during chronic inflammation
plasma cells, B/T lymphocytes, macrophages
(mononuclear leukocytes)
these are the local clinical (observable) signs of acute inflammation
calor (heat) rubor (redness), tumor (swelling), dolor (pain), funtio laesa (loss of function)
what are the 2 general themes of inflammation?
inflammation, repair
the basic pattern of acute inflammation is the same, but intensity is determined by (2 things):
strength of the attacker
reactive capability of the host
hemodynamic changes that occur with acute inflammation are:
1. transient vasoconstriction
2. vasodilation
3. changes in vascular permeability
types of exudates of acute inflammation (4)
1. serous
2. fibrinous
3. purulent
4. hemorrhagic
causes of vascular permeability (5)
(3 of these causes involving endothelium)
1. endothelial cell contraction
2. endothelial cell retraction
3. endothelial cell injury
4. leukocyte-dependent injury
5. leakage from new blood vessels
this is released from mast cells and makes the endothelium of the vasculature contract
histamine
an example of vascular permeability from endothelial cell injury
sunburn (which leads to dead cells and inflammation in order to regrow cells through repair the dead tissue)
this is the term for the movement of WBC from the center to periphery
(roll and tumble, slow and stick: selectins)
margination
this is the chemical signal for margination
Interleukin-1 (IL-1) and TNF
what is the term for the activation of adhesion molecules on the vascular endothelium (ICAM and VCAM). these adhesion molecules interact with integrins on WBC
pavementing
the term for the movement of WBCs out of the vasculature and into the infected tissue is
emigration
these are the first acute inflammatory cells at the site of bacterial inflammation
PMNs
________ are the first acute inflammatory cells at the site of fugal infection
PMNs
these are the first acute inflammatory cells at the site of viral/immune infection
lymphocytes
this WBC type is the first to arrive at the site of an allergic reaction OR a parasitic infestation
eosinophils
the communication between WBCs in order to direct certain cell types to the site of infection is known as
chemotaxis
corticosteroids inhibit ______, which helps to keep cells from moving into tissue and destroying it
IL-1
phagocytosis of bacteria stimulates phagocyte ______, which then generates ROS
oxidase
a phagolysosome contains these different components, which break down bacteria upon phagocytosis
1. lysosomal enzymes
2. lysozyme
3. major basic protein
4. defensins
5. enzyme: myeloperoxidase
what effect do vasoactive amines (specifically histamine) have on the surrounding tissue?
1. dilation of BV (interacts with H1 receptors on BV)
2. increased vascular permeability and VE activation
name the 3 symptoms of the triple response of Lewis
1. Red spot: due to capillary dilation
2. Wheal: raised spot on flesh, due to exudation of fluid from capillaries and venules
3. Flare: redness in the surrounding area due to arteriolar dilatation mediated by axon reflex.
what are the functions of the complement pathway?
increased vascular permeability, leukocyte chemotaxis, opsinization, cell lysis
the C3a receptor functions to...
stimulate mast cells to release histamine
the C3b receptor functions to...
aid in opsinization
the C5a receptor is responsible for...
anaphylatoxin (activates the arachidonic acid pathway)
MAC attack! (what does MAC do?)
Membrane Attack Complex
this perforates the cell membrane with holes
_________ inhibit the arachidonic acid pathway
corticosteroids
NSAIDS inhibit the ___________ pathway
cyclooxygenase
the cycooxygenase pathway is involved in the production of __________ and _________ from arachidonic acid
prostaglandins and thromboxanes
_____ _ ______ ______ incorporate into membranes, but are not easily broken down into AA
omega-3 fatty acids
_______ _______ block the lipoxygenase pathway
leukotriene inhibitors
the lipoxygenase pathway is involved in the production of _____ and ________
leukotrienes and lipoxins
prostaglandins cause (5 things)
1. vasodilation
2. potentiates inflammation
3. inhibits platelets
4. pain
5. fever
leukotrienes cause (3 things)
1. vasoconstriction
2. bronchospasm
3. increased vascular permeability
_____ system leades to formation of bradykinin and activates fibrinolytic system
kinin
what are the 3 inter-related systems of plasma proteases?
complement pathway, clotting, kinin-fibrolytic
this is the dietary name given to the majority of phospholipids in the cell membrane
linoleic acid
the ______ system leads to thrombin formation
clotting
_______ __ activates plasma proteases
Factor XII
steroid use can lead to
increased IOP and cataracts
leukotrienes are typically used to prevent ________ attacks
asthma
long term use of NSAIDS can induce _________ in ________
asthma in asthmatics
the etymology of the term cytokine is
cyto- cell
kine- released
(chemicals released by cells)
_____ induces the growth of new blood vessels
VEG-F
__ is very short lived, causes very rapid vasodilation, has cytotoxic effects
NO
_____ causes cachexia (the part of illness that makes you feel horrible)
TNF (tumor necrosis factor)

**cachexia is a big deal with cancer patients, AIDS patients, pregnant women
what are the 3 characteristics of chronic inflammation?
1. mononuclear lymphocytes (macrophages, lymphocytes, plasma cells--eosinophils in immune response)
2. proliferation of fibroblasts
3. angiogenesis
name the 4 parts characteristic of a granuloma
1. epithelioid macrophages
2. central caseous necrosis
3. giant cells
4. rim of lymphocytes
what are the two types of giant cells seen in granulomatous tissue?
langhans (nuclei around border)
foreign body (nuclei interspersed)
if you put a Pt on Ab and the Pt develops a rash, have them ______ the Ab immediately
stop
TB is caused by this strain of bacteria
mycobacterium tuberculosis
these are the 3 typical, characteristic stages of cellular necrosis
karyolysis
pyknosis
karyorrhexis
define necrosis
the sum of the morphological changes following cell death
the three microscopic characteristics indicative of necrosis
karyolysis
pyknosis
karyorrhexis
what are the three types of typical necrosis?
coagulative
liquefactive
caseous
what are the typical components of granulation tissue?
new blood vessels (angiogenesis), fibroblasts, chronic inflammatory cells
what is the hormone involved in neovascularization of scar tissue formation?
VEG-F (Vascular Endothelium Growth Factor)
this is the term given to the loss of central vision due to neovascularization of the macula
wet macula degeneration
"wet" macular degeneration involves ________ at the macula
neovascularization
proliferative diabetic retinopathy involves neovascularization retinal tissue because of _______
hypoxia
these 2 drugs are used to treat diabetic retinopathy
anti-VEG-F
corticosteroids
this type of wound healing involves a clean cut, minor neovascularization, and minor scar formation
healing by first intention
this is the type of scar that involves type I or type III collagen formation. it is the result of overgrowth of granulation tissue
keloid
this type of TB shows macrophages transporting the bacteria throughout the body
miliary TB
this is caused or begun in order to prevent the cell from causing an autoimmune response
apoptosis
_______ cells have a lower level of replication than do labile cells
stabile (liver cells)
________ cells have a high rate of replication
labile
________ cells can't regenerate
permanent
(i.e. corneal endo, neurons, cardiac muscle cells)
with regard to DM, if the fundus displays a vascular net (neovascularization), it can be assumed that the _______ aren't functioning
kidneys
term for big group of blood vessels gwring in (can be used for corneal neovascularization or arthritic neovascularization)
pannus
_______ pull together scar tissue after formation of scar tissue
myofibroblasts
factors affecting healing
1. age
2. nutrition
3. blood diseases
4. diabetes mellitus
5. corticosteroids
6. local influences