About how much blood does the average adult body contain?
4 to 6 liters
Blood platelets are essential for __________.
clotting
People with which blood type are universal donors?
O
Bacteria and viruses are destroyed by white blood cells called __________.
Neutrophils
People with which blood type are universal recipients?
Typa AB
Which abbreviation is used for the term hemoglobin?
Hgb
The formation of a blood clot is called __________.
Coagulation
The most common cause of anemia is __________.
Iron deficiency
Approximately 55% of the blood in a healthy person is made up of ____________
Plasma
The percentage of red blood cells found in a sample of blood is called the __________.
hematocrit
Plasma makes up what percentage of the blood?
55%
Which of these WBCs release histamine and heparin and promote inflammation?
Basophils
Red blood cells live for approximately __________.
Four months
The production of RBCs in the blood is controlled by which hormone?
erythropoietin