2026 Expert Verifed Ace the
Test
Hemostasis - ANSWER ✔✔Process of keeping blood inside arteries
and veins
Primary Hemostasis - ANSWER ✔✔Formation of platelet plug
Secondary Hemostasis - ANSWER ✔✔coagulation cascade
fibrin clot production
Three Major Steps of Hemostasis - ANSWER ✔✔1) vasoconstriction:
limit blood flow out of vessel
2) Platelet plug formation
,3) coagulation (formation of a clot that seals the hole until tissues are
repaired)
Megakaryocytes - ANSWER ✔✔Baby platelets that form in the bone
marrow
Thrombocytopenia - ANSWER ✔✔low platelet count
<100,000
Thrombocytosis - ANSWER ✔✔abnormally high platelet count
>750,000
Primary: not caused by something
Secondary: caused by another condition
Normal platelet lifespan - ANSWER ✔✔7-10 days
Healthy People Vessels - ANSWER ✔✔Vessels are antithrombotic
(do not stick)
Unhealthy People Vessels - ANSWER ✔✔Vessels are prothrombotic
(Sticky)
, Aggreation - ANSWER ✔✔Injury attracts platelets to site of injury
Enhanced Aggreation - ANSWER ✔✔Platelets call for more and more
platelets to form a thrombus
Coagulation Cascade - ANSWER ✔✔A reaction because of an injury
Need a healthy liver to store enough Vitamin K and Calcium to work
properly
Extrinsic Pathway - ANSWER ✔✔Activated by something OUTSIDE
the blood vessel:
Scrape
Gunshot
Damage to kidneys
Time to clot is measured with PT/INR: 20 secs`
7 to tissue factory to 10
Intrinsic Pathway - ANSWER ✔✔Activated by injury from the INSIDE
of the blood vessel:
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