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84 Cards in this Set

  • Front
  • Back
functions of blood
transportation, regulation, protection
regulation
buffers in the blood help maintain the pH balance about 7.4
components of blood
plasma, formed elements
plasma
liquid portion
formed elements
erythrocytes, leukocytes, platelets
hematopoietic stem cells
cells that have the potential to develop into any blood cell type that is produced within the red marrow the parent cell
erythrocytes
transports oxygen
leukocytes
protects against infection
platelets
blood clotting
albumin
produced by the liver, maintains osmotic pressure
clotting factors
Also produced by liver
antibodies
made by certain WBC'S
compliment
consists of enzymes that help antibodies fight pathogens
pancytopenia
depression of all blood
erythrocytes
lacks nucleus & other cell organs (cant divide)
hemoglobin
protein containing iron that binds with oxygen (carries oxygen)
average RBC count
4.5-6 mill
RBC production is stimulated by
erythropoietin
reticulocyte
immature rbc
rapid breakdown of rbc
jaundice
leukocytes
prominent nuclei of varying shapes & sizes
leukocytes norm. range
5,000-10,000
wbc different types are identified by
shape and size of nucleus & the appearance of granules in the cytoplasm when cells are stained
leukoytosis
increase of wbc in presence of infection
"gran ben"
granules- basophils, eosinophils, neutrophils
neutrophils norm.range
60-70%
eosinophils norm.range
1-4%
basophils norm range
0.5-1%
immature neutrophils
Looks like a thick curved band
an increase in these bands cells (stab or staff cells) is a sign of infection
neutrophils
non granular
No granules seen with staining
nucleus is round
2 types of non granular
lymphocytes, monocytes
lymphocytes
circulate in thw lymphatic system & are active in immunity
lymphocytes norm.range
20-40%
monocytes
circulate in the blood stream & move into tissue for phagocytosis
monocytes norm.range
2-6%
functions of leukocytes
The neutrophils & monocytes engage in phagoctosis (engulfing the foreign matter
abnormally increased wbc
indicates infection
leukemia
cancer of the blood characterized by uncontrolled leukocyte production
platelets (thrombocytes)
smallest of the formed elements
essentials for clotting
seal off wall of blood vessels, assist in clot formation
platelets norm.range
150,000-400,000
vasoconstriction
walls of blood vessels contracts to prevent blood loss
formation of platelet plug
platelets activate, become sticky,& form a temporary plug or patch
clot formation
plug is invaded by activated blood clotting factors& eventually a stable clotting is formed
hemostasis
process that stops bleeding and blood loss
procoagulants
compounds needed to promote clots
anticoagulant
compounds needed to prevent clotting
blood clotting is associated with
fibrinogen, prothrombin & calcium
tissue plasminogen activator (tpa)
Maybe given as a drug to break up clots in a brain attach & myocardial infarction
agglutination occurs when
wrong blood is given
Type O blood can
donate to All recipients
Type AB can
receive from any type
rbc is increase
polycythemia
rbc is decreased
anemia
wbc is decreased
leukopenia
wbc is increased
leukocytosis
myelpsuppression
bone marrow depression
hematocrit
blood test that indicates percentage of blood cells in sample of blood
erythropoietin
hormone secreted by kidneys
hemolysis
breakdown of rbc
site of blood cell production
bone marrow
Which blood cell is motile, phagocytic, granulocyte
neutrophils
name 2 agranular leukocytes
lymphocytes, monocytes
anemia that's associated with myelpsuppression
aplastic
leukocytosis accompanys
infection
What is the stimulus for the release of erythropoietin
low o2
What clotting factor is is vitamin K dependant
prothrombin
hemolysis causes what condition
jaundice
What does tpa do
clot buster
necessary for adsorption of vitamin b12
intrinsic factor
bilirubin is the breakdown of
Red blood cells
Which blood type is universal donor
O
Which blood type is universal recipient
AB
What type of blood can a O type get
O
agglutination of rbc causes
hemolysis
Where in the red blood cell is the iron molecule
hemoglobin
What is erythroblastosis
hemolysis of rbc
condition in mother and baby to cause erythroblastosis
Baby rh+
whst is hemophilia
defiency of factor 8
What is the cause of hemophilia
bleeding
traveling clot
embolus
What does the prothrombin time measure
clotting time
icterus
itching associated with jaundice