NSG 535 Exam 1 (Coagulation) LATEST UPDATE

NSG 535 Exam 1 (Coagulation) LATEST
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UPDATE

hemostasis - CORRECT ANSWERS ✔✔process that stops bleeding
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that follows vessel injury, and stops clotting when it isn't needed
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1. constrict vessel in area of damage
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2. form platelet plug (temporary)
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3. seal it with fibrin
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platelets - CORRECT ANSWERS ✔✔have receptors on them to
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bind Von Willebrand
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primary hemostasis - CORRECT ANSWERS ✔✔forming a platelet
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plug


platelets - CORRECT ANSWERS ✔✔non-nucleated
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1/3 ____ volume stored in spleen
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lifespan 8-12 days |\ |\




platelet count - CORRECT ANSWERS ✔✔general indicator of bone
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marrow health |\

,collagen - CORRECT ANSWERS ✔✔endothelial damage exposes
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_____ and other subendothelial substances that call out to
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platelets to show up in that area
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platelet plug - CORRECT ANSWERS ✔✔platelets adhere to sub
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endothelium (von willebrand aids in this process) |\ |\ |\ |\ |\ |\




once adherence occurs, platelets are activated by many
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substances and change shape to form ________ |\ |\ |\ |\ |\ |\




unstable - CORRECT ANSWERS ✔✔platelet plug is _______
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but its formation activates the clotting cascade to make a more
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stable clot |\




secondary hemostasis - CORRECT ANSWERS ✔✔making fibrin
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coagulation cascade makes fibrin to seal platelet plug
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coagulation cascade - CORRECT ANSWERS ✔✔________ (intrinsic
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and extrinsic) works to do 1 thing:
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fibrinogen -> fibrin |\ |\




make fibrin to stabilize clot
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, coagulation cascade - CORRECT ANSWERS ✔✔generates fibrin to
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stabilize the platelet plug
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intrinsic pathway - CORRECT ANSWERS ✔✔components all
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present in blood in inactive forms
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coagulation cascade |\




extrinsic pathway - CORRECT ANSWERS ✔✔activated by tissue
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damage (tissue factor) |\ |\




coagulation cascade |\




common pathway - CORRECT ANSWERS ✔✔final pathway that
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results in stable fibrin plug
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coagulation cascade |\




calcium - CORRECT ANSWERS ✔✔necessary co-factor in the
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intrinsic and extrinsic pathway
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factor X - CORRECT ANSWERS ✔✔common pathway starts with:
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Vitamin K dependent factors - CORRECT ANSWERS ✔✔Factor 2, 7,
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9, 10
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