heart and Blood prep

51 terms by JonPereshema

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one of 2 connective tissues


t/f blood is slightly alkaline


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


anemia is caused by

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


these cells fight virus infected cells and tumor cells



chemically attracted to sites of inflammation and phagocytose bacteria and FUNGI


become macrophages which eat viruses, bacteria, and fight chronic inffections

leads in the counter attack of parasitc worms ingested in food





u shaped




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


warafin (coumadin)

clot thinner


inhibits platelet agregation




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


elastic arteries

thick walled arteries near the heart. limit pressure and have no role in vasoconstriction

muscular arteris

to specific body organs


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


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


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


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


ventricles contract


ventrical relax

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