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
What is an important component of hemoglobin?
Iron
What is an embolus or embolism?
Circulating blood clot
What is a thrombus?
A stationary blood clot
What are the cells that function in the immune process?
Lymphocytes- and mainly B-lymphocytes
Which cell is involved in cell mediated immunity or cellular immune response?
T cells
A blood thinner produced by Basophils?
Heparin
What is an antidote for heparin?
Protamine sulfate
What are the elements needed for blood clotting?
Platelets, prothrombin, fibrin
Organ that synthesizes prothrombin?
Liver
A vitamin that helps with night vision?
Vitamin A
What is an element needed to manufacture hemoglobin?
Iron
What are the functions of WBC?
Protect the body from microorganisms invading the body
What is an antibody?
A substance that reacts with the antigen that stimulated it’s formation
What is a universal donor type?
O negative
What is a universal recipient?
AB positive
AB+ can receive blood from?
A+, A-,B+,B-,AB+,AB-,O+,O-
AB can receive blood from?
A-,B-,AB-,O-
O- can donate blood to?
A+,A-,B+,B-,AB+,AB-,O+,O-
O+ can donate blood to?
A+, B+, AB+, O+
