Flashcards › A&P - The Blood

The matrix of blood is called: Plasma Hematocrit is the percentage of: erythrocytes in blood Erythrocytes: lack a nucleus and most organelles White blood cells differ from red blood cells because only they contain: a nucleus and most organelles Where does hematopoiesis produce new red blood cells: red bone marrow The series of reactions that stop blood flow following a cut hemostasis Which one of the following represents the proper sequence of hemostasis: vascular spasm, platelet plug formation, coagulation Which chemical is released to bring about vasoconstriction during the vascular spasm phase of hemostasis: serotonin Blood normally clots in approximately: 3-6 minutes Which of the following insoluble fibers forms a mesh network and the basis for the formation of a clot during coagulation: Fibrin A clot that breaks away from a vessel wall and circulates freely within the bloodstream is called a(n): embolus Which of the following is a blood clotting disorder: Hemophilia The ion essential for blood clotting is: Calcium Which blood type contains the A antigen only: Blood Type A The most common type of blood in the U.S. population is: O The universal recipient has blood type: AB Which blood type(s) can a person with blood type O receive: Blood Type O Which of these blood types carries no antigens: Blood Type O True/False: Blood plasma makes up the majority of the blood content.True/False: True True/False: The temperature of blood is slightly lower than body temperature. False True/False: The amount of hemoglobin contained within a RBC determines its capability to transport oxygen. True True/False: An excessive or abnormal increase in the number of erythrocytes in blood is termed anemia. False True/False: A phlebotomist collects and processes blood samples for laboratory analysis. True True/False: Rh-related problems occur in pregnant Rh- women carrying an Rh+ baby. True True/False: Universal donors can receive blood groups A, B, AB, and O. False True/False: Blood type A can receive blood from blood types A and AB during a transfusion. False What is the formed element that is the most abundant? erythrocytes The average functional lifespan of an RBC is: 100 - 120 days review for the blood unit test

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