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Actually, vasocontriction enhances coagulation because the fibrin molecules and platelets have more time to sit in one spot and form a blood clot.
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∙ 11y ago
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Coagulation starts with a vascular spasm and ends with the formation of a platelet plug?
False. Coagulation starts almost instantly after an injury and ends in a fibrin clot.
What are the steps involved in the process of hemostasis?
1. vascular spasm 2. platelet phase 3. coagulation 4. retraction 5. fibrinolysis
What is the first step in hemostasis?
vascular spasm
What conditions impair coagulation?
vitamin k definciency, severe hypocalcemia, liver disease
What is the first stage in the hemostat process?
The first stage is vascular spasm.
What is the first response in a blood vessel injury?
Vascular spasm
What smooth muscle contracts produce when an artery or arteriole is damaged?
a vascular spasm
What is 4 steps hemostatis?
vascular, platelet, coagulation, clot retraction, clot destruction
Which chemical is released to bring about vasoconstriction during the vascular spasm of phase of hemostats?
serotonin
What process stops the leakage of blood from the vascular system after an injury?
First the platelet phase occurs in which the endothelial cells become sticky as to where the injury occurred then platelets come in releasing a hormone seratonin to make the vessels go into spasm and then the platelets form a platelet plug after that the coagulation phase occurs as the fibrinogen turns into fibrin to make strands in order to stop the continous bleeding
What does the ICD9 code 443.9 mean?
Diagnosis code 443 in general terms is for "other peripheral vascular disease". With the addition of a 4th or 5th digit (if available), the diagosis becomes more and more specific. Diagnosis code 443.9 is for "peripheral vascular disease, unspecified". In this category is intermittent claudication NOS; spasm of artery--excluding atherosclerosis of the arteries of the extremities or a spasm of cerebral artery; and finally Peripheral: angiopathy NOS or vascular disease NOS.
What you call when a muscle contracts involuntarily?
cardiac and smooth
