Four Substances Transported in the Blood?
Gases, Nutrients, Waste, Hormones
Where do blood cells form, and from which stem cell type are they produced?
Red Bone Marrow
Hematopoietic Stem Cells
What blood components are low in cases of thrombocytopenia?
Platelets
1-20 days
Leukopenia
What is the pH range of the blood?
7.35 - 7.45
What is the signal in the feedback loop controlling red cell production? What is the regulated variable?
Erythropoietin - EPO
level of blood oxygen
What test measures the relative volume of red cells in blood?
Hematocrit
An increase in Erythrocyte count
Polycythemia Rubra
A decrease platelet count
thrombocytopenia
What is the most important function of a Leukocyte?
Clear the body of foreign materials and,
Prevent Cancer
What are the three types of granular leukocytes? Of two types of agranular leukocytes?
Neutrophils
Basophils
Eosinophils
Monocytes
Lymphocytes
What is Leukemia?
Cancer in the White Blood Cells
A decrease erythrocyte count
Anemia
Thrombocytopenia
What is the function of Hemoglobin?
Function is to carry oxygen into the blood
What is the general term for the process that stops blood loss?
What blood factor is associated with incompatibility during pregnancy
RH FACTOR
An increase in leukocyte count
What vitamin is needed for blood clotting ?
What is the function of blood platelets?
To control bleeding through blood clotting / Coagulation
What substance in the blood forms a clot?
Fibrin
Liquid Portion of the blood?
Plasma
Platelets are produced by certain giant cells called?
Megakaryocyte
Vessel contractions, plug formation, blood clot