Anatomy and Physiology blood review
Terms in this set (17)
% of erythrocytes in a whole blood sample
Which is true regarding blood?
It is a connective tissue
Functions of plasma proteins except
Transport of oxygen
All of the formed elements in blood originate from which type of cell?
Pluripotent hematopoietic stem cells
What is the name of the protein found in erythrocytes that transports respiratory gases?
Might trigger erythropoiesis
Hypoxia in cells
When erythrocytes are broken down and their components are recycled, the iron from heme is stored. What happens to the rest of the heme group?
Converted into bilirubin, which is then secreted into bile
Too many erythrocytes in the blood can lead to
Increased blood viscosity
When a person has an acute bacterial infection, which type of leukocytes increases in number?
Function of thrombocytes
To aid in blood clotting
1st stage of blood clotting is
Best describes the conditions within a blood vessel when there is no injury
Endothelium secretes nitric oxide and prostacyclin which prevent platelets from sticking
After a blood vessel is damaged, what immediate causes platelet adhesion?
Exposed collagen fibers provide a negatively charged surface from platelets to attach
Extrinsic pathways of blood clotting is triggered by
Formation of prothrombin activator, prothrombin -----> thrombin, fibrinogen------> fibrin, clot retraction
How does aspirin function to reduce risk of stroke or heart attack
Inhibits platelet aggregation and platelet plug formation
Active enzyme that performs fibrinolysis