Hematology Flashcards
Some clotting factors depend on which vitamin for their synthesis?
Vitamin K
Type A blood?
anti-B antibodies; A antigen
Decrease in red blood cells
Anemia
AB+ blood type
Both A, B, and D antigen
Majority of the total blood volume is composed of
Plasma
protein responsible for the red color of the RBC in the blood
Hemoglobin
TRUE about the synthesis of RBCs?
During fetal life, they are synthesized in the liver.
Average life span of erythrocytes in a healthy adult male is
120 days
true about the heme group in hemoglobin?
Each contain 1 iron atom which can bind to 1 oxygen molecule.
The organ that serves as the graveyard of dead and worn out erythrocytes
Spleen
What is the major function of thrombocytes?
To control bleeding
The chemical released by the platelets to stimulate spasm of the injured blood vessel is
Thromboxane
Type O blood?
Has neither A or B antigens, has both anti-A and anti-B antibodies
Megakaryocytes
Platelet
Decrease in white blood cells
lymphocytopenia
increase in rbc
erythrocytosis
lymphoid line
NK cells, T-cells, B-cells, plasma cells
forms a bridge between the damaged blood vessel and platelets to allow adherence of the platelet to the site of injury?
Von Willebrand factor
What happens during platelet aggregation?
Platelets express fibrinogen receptors and binds to fibrinogen.
converts fibrinogen to its active form fibrin, to secure the platelets in place
Thrombin
Clotting factors are produced in the
Liver
Which of the following breaks down fibrin mesh in the process of fibrinolysis?
Plasmin
Type AB blood?
Has both A or B antigens, has neither anti-A and anti-B antibodies
Type B blood?
anti-A antibodies; B antigen
