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44 Cards in this Set

  • Front
  • Back

is inflammation innate or acquired immunity

innate
what are four classic signs of inflammation
rubor
calor
dolor
tumor
name all the types of WBCs
never let me eat bacon
neutrophils
lymphocytes
monocytes
eosinophils
basophils
(platelets)
_____ are the primary cell responder in acute inflammation
neutrophils
what do neutrophils look like
segmented nucleus with 3 to 5 lobes and numberous cytoplasmic granules
_______ are single nucleus with very scant cytoplasm
lymphocytes
_______ are primarily involved in chronic inflammation and in acquired immunity
lymphocytes
_____ cells are specialized lymphocytes that elaborate antibodies when stimulated
plasma cells (lymphocytes)
_____ are involved in both acute and chronic inflammation
monocytes
______ are an important link of acute and chronic inflammation
monocytes
_____ have a bilobed nucleus with deeply blue basophilic granules
basophiles
what is inside basophils
histamine, proteoglycans, proteolytic enzymes, lipid mediators of inflammaiton
cells in the tissue that are sturcturally and physiologically identical to basophils are called ____ cells
mast
what cells have slow reacting substances of anaphylaxis involved in allergic and hypersensitivity reactions
basophils
what cells are invovled in allergens an dparasites
eosinophiles
what is inside an eosinophil
pink eosinophilic granules with histamine, proteolytic enzymes, and basic proteins
what are the percentages of WBCs
NLMEB
50 to 70
25-35
4-6
1-3
.5-1
what types of cells are involved in acute inflammation?
Granulocytes
Basophils
eosinophils
neutrophils
what cells are involved in chronic inflammation?
mononuclear cells LM
lymphocyte
monocytes
do endothelial cells constrict or dilate in response to vasoactive mediators of inflammation and cytokines
constrict! along with release of tight junctions
start at page 30
yes
list the events of leukocyte adhesion and transmigration
adhesion
- stasis
- margination
- adherence
tranmigration
- diapedesis
- migration via chemotactic gradient
macrophages produce cytokines _____ and ____ that induce selectins
TNF and IL1
____ bind sialyl lewis X modifice dblycoproteins on the WBC
selectins
cytokines released from macrophages induce expression by endothelial cell sof _____ _____ such as ICAM1 and VCAM1
integrin ligands
_____ produced by macrophages stimulate the expression of proteoglycans on the endothelial cell surfaces that induce the integrins on leukocyte cell surfaces to switch from low affinity to high affinity state
chemokines
what integrin ligand on the endothelial cell mediates diapedesis of WBCs
PECAM 1
T or F. chemotaxis can occur via exogenous agents such as bacterial products or endogenous production of chemical mediators of inflammation
true
LFB, C5a, IL8, adn LTB4 are all
chemicals of chemotaxis
chemotactic agents bind to _____ onth eleukocyte cell membrane
g portein coupled receptors
_____ is the process of elimination of an injurious agents by WBCs
phagocytosis
how do WBCs recognize injurious agents
macrophage mannose receptor (not present on host cells)
obsoinzed agents
what are two ways that killing nad degredation occur

oxygen dependent:


ROS (NADPH oxidase, MPO)



oxygen independent: acid hydrolase, lysozyme, cathepsin G, sulfatses)

name a few diseases that are caused by release or leak of leukocyte products

arthritis
acute transplant rejection
vasculitis
atherosclerosis
asthma
gout

what might cause leakage of lysosomal contents

regurgitation during feeding (phagolysosome opens to outside as phagosome is being internalized)



frustrated phagocytosis (e.g. glomerulonephritis)
cytotoxic release
exocytosis

What is LAD types one and 2

a genetic deficiency in leukocyte adhesion molecules that leads to recurrent bacti infections and impaired wound healing

name two diseases caused by defects in phagolysosome function

chediak higashi syndrome: (no lysosomal trafficking regulator)



chronic granulomatous diases (CGD): (def. in NADPH oxidase)

what is the most common cause of decrease leukocyte activity clinically?

bone marrow suppression

name five morphological types of acute inflammation

serous
fibrinous
gangrenous
pseudomembranous
suppurative
ulcerative

_____ inflammation is characteristic of inflammation of the lining of body cavities like pleural pericardial and peritoneal

fibrinous

what is pus made of

neutrophils
necrotic cells
edema fluid

what type of inflammation is C dif

pseudomembranous

_____ inflammation is defined as the destruction of EPITHELIAL lining due to ischemic damage

ulcerative inflammation

where do you find fourniers gangrene
scrot