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51 terms

heart and Blood prep

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one of 2 connective tissues
blood
t/f blood is slightly alkaline
true
plasma protiens in the blood
albumin, globulin, fibrinogen
each rbc contains about 280 million hg mollecules that bind to each
4 oxygen molecules
rbc secretion is controlled by hormones
iron, amino acids, and b vitimins
these produce epo
kidney and liver
stimulate epo production
hemorrage, iron deficiency, high altitude
life span of red blood cell is
120 - 100 days
where do rbcs go after they die
spleen
anemia is caused by
hemorrage
hemolysis
aplastic
iron deficiency
pernicous anemia
abnomormal hb
not the number of RBCS that determine they should be made but
oxygen carrying capabilites
there are 4,800-10,000 wbcs per
microliter of blood
there are 4 million to -5million rbc
in microliter of blood
Leukocytosis is if there is greater than 11,000
wbc per microliter of blood
wbcs are much shorter lived than
rbcs
these cells fight virus infected cells and tumor cells
lymphoctes
neturophis
chemically attracted to sites of inflammation and phagocytose bacteria and FUNGI
monocytes
become macrophages which eat viruses, bacteria, and fight chronic inffections
leads in the counter attack of parasitc worms ingested in food
eosinophilos
basophils
histamine
monocytes
u shaped
easoinophil
phone
leukemia
rbm is occupied by canerous leukocyts and immature wbcs which conjest the blood streem. decreases production of platelets and rbcs, overwhelming infections, internal hemorages, accute in children and chronic in adult
megakaryotes survive about
10 days
final cleant up is
fibrionlysis
warafin (coumadin)
clot thinner
aspirin
inhibits platelet agregation
herapin
anticoagulant
thrombocytopenia
defiicent number of circulating plateltiets. less than 50,000 / mm3 . widespread hemmorage, due to destruction or suppresion of bone marrow. treated with concentration of platelets
most common type of hemophilla is
a, then b, then c. m
mild type of hemophillia is
type c
symptoms include prolonged bleeding, esp. into joint cavities
hemophillia
elastic arteries
thick walled arteries near the heart. limit pressure and have no role in vasoconstriction
muscular arteris
to specific body organs
arterioles
single layer of smoth arteries. SMALLEST of the arteries.
most common capillary
continuous. abundant in skin and musclkes, contian tight junction w/small cleft. only exception is the brain
capillaries found in kidneys and intestine
fenestrated
capillares sinunoid
only found in liver, bone marrow, adrenal medulla and lypmphoid tissue
collatoral channels
arteriold connect to proved multiple pathways of blood to an organ
veins have much less
smooth muslce and connective tissue than an artery
veins are often thinner and
bigger than an artery
65 percent of blood is found in
veins
all arteries run deep and are protected wheares many
veins are superficieal
higher number is
systolic pressure
lower number is
diastolic presure
venous pathways are more
interconnected
blood flow
volume of blood flowing through a vessel, whatever
blood flow is equal to
cardiac output ml/min
F is equal
to change of P/ R
systole
ventricles contract
diastole
ventrical relax