Chapter 12 Flashcards
What is the normal volume of blood in an adult?
4–6 liters
What is the liquid portion of blood called?
Plasma
What is blood serum?
Plasma minus fibrinogen and prothrombin
What are the functions of blood?
Transportation and protection
Another name for RBC?
Erythrocytes
Another name for WBC?
Leukocytes
Another name for platelets?
Thrombocytes
What causes pernicious anemia?
Lack of Vitamin B12
What causes iron deficiency anemia?
Deficiency of iron
What causes sickle cell anemia?
An abnormal type of hemoglobin or hemoglobin S
What is aplastic anemia?
Reduction in RBCs following destruction of blood forming elements in the bone marrow
What does hematocrit test give you?
Volume of RBCs in a blood sample
What is the hematocrit value of RBCs?
45%
What is leukocytosis?
Increased white blood cell count
What is leukopenia?
Low WBC count