red blood cell anemias Flashcards
what is the blood made up of?
plasma and blood cells
what types of blood cells are there?
eythrocytes
leukocytes
platelets
what is plasma?
its a fluid that suspends the cellular components of the blood
what is plasma made up of?
water makes up 90% of the plasma volume
o albumin - pH buffer & osmotic pressure
o globulins - binding proteins & antibodies
o clotting proteins - prothrombin & fibrinogen
o other proteins - enzymes, hormones, others
o nutrients - glucose, fatty acids, amino acids, cholesterol, vitamins
o electrolytes - Na+, K+, Ca++, Mg++, Cl-, phosphate, sulfate, bicarbonate, other
what is haematopoesis?
the blood cell lineage
what is haematocrit?
its when the red blood cells are split up form the rest of the blood components
where is the spleen found?
its located in the upper L quadrant
what are the haematologic functions of the liver?
o liver synthesis plasma proteins including clotting factors and albumin
o the liver clears damaged and non-functioning RBCs/ erythrocytes from circulation
what is the life span of red blood cells?
120 days
where are red blood cells made? and what is the process called
in the bone marrow
its called erythropoesis
what does erythropoetin do?