Hemostasis

Question 1

Petechiae

Answer 1

Small, purplish hemorrhagic spots that appear with thrombocytopenia and many febrile illnesses.

Question 2

Purpura

Answer 2

Rash in which blood cells leak into skin or mucous membranes. Small pupura=petechiae, large= ecchymosis.

Question 3

Vasculitis

Answer 3

Blood vessel inflammation

Question 4

Hematoma

Answer 4

Swelling comprised of mass of extravasated blood confined to a restricted space.

Question 5

Eccyhymosis

Answer 5

Bruise

Question 6

Thrombus

Answer 6

Localized clot

Question 7

Embolism

Answer 7

Obstruction of an artery by an embolus

Question 8

Embolus

Answer 8

Mobile thrombosis

Question 9

Primary hemostasis

Answer 9

Processes of platelets attaching to vessel wall via vWF and forming plug.

Question 10

Secondary hemostasis

Answer 10

Addition of fibrin to plug. Strengthening and maturation of plug.

Question 11

Adhesion

Answer 11

vWF attracts platelets and adheres them to damaged areas to form initial platelet plug.

Question 12

Aggregation

Answer 12

Piling on of platelets. Fibrinogen

Question 13

Thrombocytopenia

Answer 13

Low platelet count

Question 14

Thrombophilia

Answer 14

Prone to clotting

Question 15

Thromboplastin

Answer 15

Released by damaged cells. Activates extrinsic pathway of clotting cascade.

Question 16

Plasmin

Answer 16

Enzyme that digests fibrin

Question 17

Prothrombin time (PT)

Answer 17

Measures extrinsic pathway.