Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
|
what is edema
|
increased fluid withnin the interstitial tissues
|
|
|
anasarca/ hydrops
|
generalized edema
|
|
|
causes of edema
|
increased hydorstatic pressure/decreased venous return
decreased osmotic pressure |
|
|
effusion
|
collection of fluid in body SPACES......as opposed to edema, which is collection of fluid in body TISSUES
|
|
|
hyperemia
|
increased tissue blood volume due to neurogenic mechanisms or inflammation
|
|
|
congestion
|
increased tissue blood volume due to venous backup
|
|
|
hemorrhage
|
loss of blood secondary to vessel injury or physical disruption
|
|
|
size order of internal hemorrhage
|
HEPP
|
|
|
when does hemorrhage lead to shock
|
when there is a blood loss of 20% or greater
|
|
|
hemostasis
|
rapid arrest of blood loss at a site of injury
|
|
|
what are the three componants of hemostasis
|
endothelium, platelets, coagulation cascade
|
|
|
Platlets are a permanant plug?
|
FALSE - platelets temporarily "sandbag" at the site of injury
|
|
|
how do platelets adhere to injury site
|
von willebrand factor, secreted by the endothelial cells
|
|
|
what do platelets secrete?
|
ADP and Ca
|
|
|
what are the three actions platlets take
|
adhesion, secretion, and aggregation
|
|
|
what are the final products of the coagulation cascade
|
fibrin and thromin
|
|
|
what does thrombin do
|
takes fibrinogen to fibrin
|
|
|
what does fibrin do
|
combines with platelets to form permanant plug
|
|
|
what are the 2 major factors that start the coaggulation cascade
|
Tissue factor, factor VII
|
