hemato Flashcards
main function of platelets:
blood coagulation
Sickle cell anemia is characterized by:
Erytrocytes in the shape of a sickle due to a mutation in hemoglobin
What primarilly regulates erythropoiesis in response to hypoxia?
The kidney realeses erythropoitein
Main function of leukocytes:
Defense against infection agents
Which leukocyte is most effective in fighting viral infections?
Lymphocytes
which cells plays a crucial role in primary hemostasis
platelets
monocytes are leukocytes that:
phagocytize pathogens
What is the approximate lifespan of erythrocytes in human circulation?
120 days
Which laboratory finding is most indicative of iron-deficiency anemia?
Low serum ferritin
What does the hemoglobin do?
It enables the transport of oxygen and carbon dioxide
What is the primary function of erythrocytes?
Transport of oxygen and carbon dioxide.
The presence of which antigen determines if a person has type A blood?
Antigen A
Thrombocytopenia is characterized by:
Decrease in the number of platelets.
Which is a primary cause of polycythemia vera?
A mutation leading to increased sensitivity of erythroid precursors to growth factors
Which type of anemia results from the autoimmune destruction of gastric parietal cells?
Pernicious anemia
