Blood And Lymph Flashcards
Hemoglobin
the blood protein that carries oxygen
Hemolysis
the destruction of erythrocytes
Hematology
the study of blood
Icterus (or jaundice):
yellow discoloration of the skin and/or mucous membranes due to excess circulating bilirubin
Macrophage
a large cell that destroys phagocytosis
Pancytopenia
decreased numbers of all types of blood cells
Blood is the medium of transport in the circulatory system
Transports O 2 and CO 2 to and from the tissues and lungs
Transports other materials throughout the body
Vasodilation
sweat
Vasoconstriction
to keep heat in
Blood plays an active role in
combating infection
All blood cells arise from
undifferentiated stem cells
Approximately——-of body weight
7%-10%
body weigh of cat and dog?
Dog/cat = 7%
Can safely draw——-of the blood volume every————
20% 3-4 weeks
If healthy, can draw no more than——- of the blood volume in 1 week
10%
If ill, can draw no more than——of the blood volume
5%
25% blood loss can lead to
Shock
30% blood loss can lead to
irreversible shock and death
Cellular Components
Erythrocytes, Leukocytes, Granulocytes, Agranulocytes, Thrombocytes
Fluid Component
Plasma, Albumin, Fibrinogen
Red plasma color:
Indicates hemolysis , May be due to a traumatic venipuncture or during transfer into the blood tube
Extravascular
occurred outside of the blood vessel
Intravascular
occurred inside the blood vessel
Yellow plasma color:
Indicates the presence of bilirubin (icterus or jaundice)
Present in some forms of liver disease or bile duct obstruction
Degree of color change can be scored using the icterus index