AACN PCCN Review: Hematology Questions and Answers

AACN PCCN Review: Hematology Questions and Answers Red, whites and platelets come from - Correct Answer ️️ -bone marrow clotting factors in plasma come from - Correct Answer ️️ -liver Hematopoiesis - Correct Answer ️️ -blood cells come from stem cells in the bone marrow DIC - Disseminated Intravascular Coagulation - Correct Answer ️️ -DIC is a secondary disorder It presents as an over stimulation of both bleeding and thrombosis Microvascular thrombi and bleeding occurring simultaneously When DIC is a complication of sepsis or shock the mortality rate can be as high as 90% It frequently is associated with MODS. Disseminated Intravascular Coagulation Risk Factors - Correct Answer ️️ -Tissue Damage Obstetric complications Shock States Massive blood or volume resuscitation MODS or organ dysfunction Cancers Hematologic disorders DCI Response - Correct Answer ️️ -Tissue Damage Platelet damage Endothelial damage when these line up, DIC will begin as a clotting process DIC Process - Correct Answer ️️ -Tissue Damage --> stimulates clotting --> platelets aggregate to form clot --> stimulate the mediators to break up clot This is a normal process but in DIC this process becomes chaotic Clot --> from clot you produce mediators to break down clot --> start bleeding again --> more clots forms and more clots broken down --> patient begins to lose ability to form clots Consumptive Coagulopathy --- you have used up your abil