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Cardiovascular Ch 21 Test

Enter the letter for the matching Answer
incorrect
1.
blood pressure
incorrect
2.
effect of gravity on BP
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3.
vasopressin (adh) mechanism
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4.
fenestrated capillaries
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5.
venous tone
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6.
Net filtration pressure (NFP)
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7.
artheriosclerosis
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8.
poiseuille's law
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9.
arterioles
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10.
factors effecting blood flow
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11.
capillaries
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12.
muscular artery
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13.
arteriosclerosis
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14.
baroreceptor reflexes
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15.
tunica media
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16.
flow formula
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17.
tunica externa
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18.
chemoreceptor reflexes
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19.
nervous regulation of blood flow
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20.
continuous capillaries
A.
(p1-p2)/r-pie(p1-p2)r4/8vl
B.
no gaps between endothelial cells, no fenestrae; less permeable to large molecules. (muscle and nervous tissue)
C.
sensory receptors senstivie to o2, co2 and ph levels of blood
D.
continual state of partial contraction of veins due to sympathetic stimulation
E.
plaque deposited in walls
F.
smooth muscle cells around blood vessel; vasoconstriction and dilation
G.
viscocity, resistance, pressure, length of vessel
H.
degeneratiopnal changes in arteries making them less elastic
I.
connective tissue
J.
porous and endothelial cells have fenestrae; highly permeable;
K.
minute to minute regulation of local circulation; sympathetic most important; vasomotor center in lower pons contributes to norepinephrine and epinephrine release
L.
force responsible for moving fluids across capillary walls; effected by hydrostatic and osmostatic pressure (net hydro-net osmo) (pressure in and out).
M.
smooth muscle regulates blood flow by constricting or dialating; most smaller unnamed arteries
N.
in standing position hydrostatic pressure caused by gravity increases BP above heart and decreases BP above heart
O.
change peripheral distance, heart rate, and stroke volume in response to changes in blood pressure
P.
site of exchange with tissues; substances move thru by diffusion
Q.
adh->kidneys, water is obsorbed
R.
flow decreases when resistance increases
S.
measure of force exerted by blood against the wall; moves blood thru vessels; measure by listening to korotkoff sounds: turbulent flow in arteries as pressure is released from blood pressure cuff
T.
transfer blood from small arteries to capillaries; like smalll arteries
Type the Question that corresponds to the displayed Answer.
incorrect
21.
resistance of liquid to flow; as viscocity increases pressure required to flow increases; infuenced by hemocrit( % of RBCs making up blood volume); dehydration or too many RBCs can increase velocity
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22.
larger diameter sinusoidals; (liver, bone marrow)
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23.
large diameter w/large fenestrae & less basement membrane, allow large molecules to pass (endocrine glands)
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24.
size of blood vessel diameter
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25.
from R ventricle to pulmonary trunk->divides into pulmonary arteries; 2 pulm arteries exit each lung and enter L atrium
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26.
high co2 or low ph levels in medulla increases peripheral resistance
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27.
blood flows from arterioles thru meatarterioles then thru cap. network; sphincters and smooth muslce regulate flow
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28.
thin tunica intima
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29.
blood colloid osmotic pressure-interstisial fluid osmotic pressure(bcop-icop)
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30.
formed by overlapping flaps in intima; any vein over 2mm has them; more found in veins of lower extremities

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