INTRO Flashcards
Deals with the study of blood
Hematology
Balance in blood
Hemostasis
Factors affecting hemostasis
- vasoconstriction
- platelet adhesion
- coagulation enzymes
Continuous blood loss
Hemorrhage
Counting of blood cells
Hemocytometry
Decrease in the concentration of RBC
Anemia
Increased number of immature leukocytes
Leukemia
Overproduction of RBC
Polycythemia vera
Description of the normal morphology of RBC
- biconcave disc
- discocyte
- normocyte
Branch of medicine which deals with the performance of diagnostic laboratory procedures, the results of which are correlated to clinical signs and symptoms of a patient
Clinical Hematology
Any abnormal feature of blood cells
Blood Dyscrazias
3 definitions of Anemia
- reduction in the number of RBC
- reduction in the hemoglobin comtent
- both
Diminished 02 carrying capacity of blood
Anemia
Disease of blood - forming organs characterized by proliferation of neoplastic WBCs
Leukemia
Blood forming organs for adults
Bone marrow
What blood - forming organ is used if bone marrow is diminished to produce blood cells
Liver
T/F - blood is a loose connective tissue
T
Nucleating medium circulated within an enclosed system
Blood
Refers to the entire arrangement of vessels operative to the entire circulation of blood
Vascular system
Whee WBC stay to neutralize invading pathogen
Lymphatics
Color of venous blood
Dark red
Color of arterial blood
Bright red
Viscosity of blood
3-5x more viscous than water
Coagulation of blood
Clot formation within 5-10 min in vitro/ after removal from the body
State of blood in circulation
Liquid in vivo
Natural coagulant of the body
Heparin
pH of blood in range
7.35-7.45
Average pH of blood
7.4
Specific gravity of whole blood
1.048 - 1.066
SG of serum
1.026 - 1.031
SG of RBC
1.092 - 1.095
Volume of Blood
5-6 L / 7-8% of total body weight
Volume of blood to be extracted for blood donation
10% of blood volume
volume of blood for males
76mL/kg body weight
volume of blood for females
68 mL/kg body weight
