What is the first process that occurs after a blood vessel is damaged? A. coagulation B. platelet plug formation C. vasoconstriction D. haemolysis
Option C. Vasoconstriction is the first process that occur after a blood vessel is damaged. Vasoconstriction is the narrowing (constriction) of blood vessels through small muscular tissues of their walls. When blood vessels constrict, blood go with the drift is slowed or blocked.
