All but whichof the following are true about platelets?
Erythropoietinstimulates the production of RBCs (erythrocytes). The word literally means erythrocyteproduction.
Plateletformation is stimulated by thrombopoietin(thrombus/clot production).
Whatis the effect of von Willebranddisease on the platelets?
VonWillebranddisease is the most common hereditary bleeding disorder. It is caused by a deficiency or defect in vWF(which carries a clotting factor). Theresult of less clotting factor is an inability to clot.
Aman had a stroke and the doctor gave him tissue plasminogen activator (TPA). Why? What is the doctor trying to accomplish? Oneof the man’srelatives wondered why they did not give him heparin or warfarin instead. Whatis the difference? Why might TPA be moreappropriate?
True or false, hypercoaguabilitystates increase the risk of thrombus formation.
Hyper-as a prefix means over or too much. Coagulation/coaguabilitymeans clotting/the ability to clot. Hypercoaguabilitymeans increased ability to clot or form thrombi.
True or false, plateletdisorders are bleeding disorders.
Becausethe platelet’sjob is to clot, platelet disorders mean that the platelets cannot do thatjob. An inability to clot results inbleeding/bleeding disorders.
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