SOLUTIONS
a high viscosity means what Correct Answers blood is thicker
Abnormally high red blood cell count Correct Answers
Polycythemia
buffy coat is comprised of. Correct Answers leukocytes and
platelets
Cancer of hemopoietic tissues resulting in high numbers of
leukocytes Correct Answers Leukemia
Choose the range of the hematocrit of an average male. Correct
Answers 42% and 52%
Define fibrinolysis or dissolution of a clot Correct Answers
breaking up of a clot
Define thrombosis, thrombus, embolus Correct Answers
Thrombosis—abnormal clotting in unbroken vessel
Thrombus- clot
Embolus—anything that can travel in the blood and block blood
vessels
Describe clinical mechanisms that prevent clot formation or
dissolve existing clots Correct Answers vitamin k- prevents
clots
streptokinase- dissolves clots
, Describe hemopoetic tissues Correct Answers specialized tissue
from the red bone marrow
Describe platelets and thrombopoiesis Correct Answers
platelets are small fragments of megakarocytes
thrombopoiesis is the production of platelets
Describe the actions of thrombin, plasmin and fibrin Correct
Answers Thrombin - converts fibrinogen into fibrin (after factor
X to prothrombin activator)
Plasmin - fibrin dissolving enzyme or clot buster
Fibrin - forms clots
Describe the consequences of inappropriate coagulation Correct
Answers heart slowing or shock
Describe the function of prostacyclin Correct Answers platelet
repellant
Describe the functions of platelets Correct Answers
homeostasis by clotting, vasoconstriction
Describe the mechanisms to prevent inappropriate coagulation
Correct Answers Platelet repulsion- platelets do not adhere to
prostacyclin-coating
Describe thrombocytopenia and hemophilia Correct Answers
Thrombocytopenia- platelet count below 100,000/L (bruise
easily)
Hemophilia- genetic lack of any clotting factor