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WorksheetsBlood Vessels and Circulation Pt. 1
Total questions: 76
Worksheet time: 6hrs 20mins
The largest blood vessels attach to the
lungs
heart
brain
spinal cord
If hypertension increases vascular resistance, the cardiac afterload will
increase
decrease
be unaffected
The plateau phase of the cardiac action potential is found in
cardiac contractile cells
ectopic foci
cardiac conductive cells.
cardiac pacemaker cells.
True or false: Continuous capillaries are found in all tissues
True
False
True or False: veins stretch more than arteries
True
False
True or False: The tunica media anchors the vessel to adjacent tissues
True
False
Location of exchange between blood and interstitial fluid
arterioles
arteries
venules
capillaries
Which has thinner walls?
veins
arteries
Carries blood from right ventricle to pulmonary circulation
aorta
pulmonary veins
pulmonary trunk
aortic valve
Which has a large, irregular lumen (endothelium is folded)?
arteries
veins
When deoxygenated blood has returned to the heart, this is the first valve the deoxygenated blood must pass through
pulmonary
aortic
bicuspid
tricuspid
Carries blood from left ventricle to systemic circulation
aorta
pulmonary veins
pulmonary arteries
pulmonary trunk
Which layer of the blood vessel contains collagen fibers, elastic fibers, and smooth muscle cells (in veins)
tunica media
tunica externa
tunica intima
tunica lamina
Outermost layer of the blood vessel
tunica externa
tunica intima
tunica lamina
tunica media
Carry blood away from the heart
(a)
Which layer of the blood vessels includes the endothelial lining and connective tissue
tunica lamina
tunica intima
tunica media
tunica externa
Blood is distributed mostly in the
capillary beds
arterial system
venous system
heart
The kidney releases renin in response to
high blood pressure or volume.
Bainbridge reflex.
low blood pressure or volume.
Natriuretic Peptides.
The internal elastic membrane is found in which type of blood vessel?
veins
arteries
capillaries
venules
When constricted, this has a small round lumen
artery
vein
Which has valves?
arteries
veins
Smallest branches of arteries that lead to capillary beds
venules
arterioles
capillaries
veins
Smallest blood vessels with thin walls
capillaries
arterioles
venules
veins
The tunica media includes the
endothelial lining
vasa vasorum
adventitia
smooth muscle tissue
The endothelium is part of the
tunica externa
tunica media
tunica intima
internal elastic lamina
What membrane separates the tunica media from the tunica externa?
external elastic membrane
internal elastic membrane
Which layer of the blood vessels encircles the endothelium and external elastic membrane?
tunica lamina
tunica media
tunica externa
tunica intima
Smallest branches of veins that collect blood from capillaries
arterioles
venules
arteries
veins
Which is more elastic?
arteries
veins
The most effective mechanism to modify peripheral vascular resistance is by
altering blood viscosity.
altering vessel diameter.
altering blood flow turbulence.
altering vessel length.
Return blood to the heart
veins
venules
arteries
arterioles
Innermost layer of blood vessels
tunica lamina
tunica externa
tunica media
tunica intima
Which has lower blood pressure?
arteries
veins
The middle layer of blood vessels
tunica externa
tunica intima
tunica lamina
tunica media
Compression of veins pushes blood ______ the heart
toward
away from
into
out of
Venous valves are folds of the
tunica media
tunica intima
tunica lamina
tunica externa
Which layer of the blood vessels contains smooth muscle tissue?
tunica lamina
tunica externa
tunica media
tunica intima
Contains small arteries and veins in walls of large arteries and veins
capillary bed
tunica adventitia
tunica lamina
vasa vasorum
Has thicker walls and higher blood pressure
arteries
veins
Allows arteries to absorb pressure waves that come with each heartbeat
contractility
elasticity
vasodilation
vasoconstriction
Allows arteries to change diameter as controlled by the sympathetic nervous system
elasticity
contractility
vasoconstriction
vasodilation
An example of a local vasodilator in tissue is
increased oxygen
decreased carbon dioxide
decreased hydrogen
increased carbon dioxide.
Contraction of arterial smooth muscle
vasoconstriction
elasticity
contractility
vasodilation
The amount of blood pumped through the circulation each minute is the
end diastolic volume.
stroke volume.
end systolic volume.
cardiac output.
Which has larger diameters?
arteries
veins
The nutrient transported from the small intestines in the lymphatic system is
amino acids
carbohydates
fats
proteins
Relaxation of arterial smooth muscle, enlarging the lumen
vasoconstriction
elasticity
vasodilation
contractility
Which is the correct flow of change of arteries from the heart to capillaries?
arterioles -> muscular arteries -> elastic arteries
muscular arteries -> elastic arteries -> arterioles
elastic arteries -> muscular arteries -> arterioles
elastic arteries -> arterioles -> muscular arteries
A bulge in an arterial wall caused by a weak spot in elastic fibers and can rupture with pressure
aneurysm
sinusoid
sphincter
angiogenesis
Largest arteries, also known as conducting arteries
arterioles
muscular arteries
elastic arteries
Medium-sized muscular arteries also known as distribution arteries
arterioles
muscular arteries
elastic arteries
Small vessels, also known as resistance vessels
venules
arterioles
elastic arteries
muscular arteries
What do capillary beds connect?
vein
venule
arteriole
artery
Which of these does the capillary have in its structure?
tunica media
tunica externa
endothelial tube
tunica lamina
What type of lining do capillaries have?
epithelial
areolar
endothelial
hyaline
What do Continuous capillaries permit?
proteins
lipids
water
blood cells
What do Continuous capillaries block?
water
red blood cells
proteins
fats
Fenestrated capillaries have (a) that permit the rapid exchange of water and larger solutes
Where would I find fenestrated capillaries?
choroid plexus
intestinal tract
kidneys
endocrine organs
heart
The type of capillaries with gaps between adjacent endothelial cells
continuous
fenestrated
sinusoidal
plexus
Capillary that permits the free exchange of water and large proteins
continuous
sinusoidal
fenestrated
Where can you find sinusoidal capillaries?
liver
endocrine organs
intestinal tract
bone marrow
spleen
Smooth muscle cells that guard entract to each capillary by opening and closing which causes blood to flow in pulses
thoroughfare channels
sinusoids
precapillary sphincter
Direct capillary connections between arterioles and venules
thoroughfare channels
precapillary sphincter
sinusoids
plexus
_________ circulation allows circulation if one artery is blocked
direct
systemic
collateral
pulmonary
Fusion of two collateral arteries
arterial anastomosis
arteriovenous anastomoses
angiogenesis
Direct connections between arterioles and venules that bypass the capillary bed
arterial anastomosis
arteriovenous anastomoses
angiogenesis
Formation of new blood vessels
vasculogenesis
arteriogenesis
venulogenesis
angiogenesis
What stimulates angiogenesis
vascular endothelial growth factor
growth hormone
renal growth factor
capillary growth factor
Angiogenesis occurs in response to factors released by cells that are
hypoxic
hyperoxic
Collect blood from capillaries and return it to the heart
veins
arteries
When walls of veins near the valves weaken, what may result?
heart failure
stroke
varicose veins
hemorrhoids
Heart, arteries, and capillaries take up what percentage of blood volume
20-25%
30-35%
50-60%
65-70%
The venous system takes up what percentage of blood distribution?
65-70%
30-35%
80-90%
20-25%
Blood vessel capacitance is the ability to
contract
hold blood
stretch
shrink
Venoconstriction occurs in response to
rise in blood pressure
drop in blood pressure
gaining blood
blood loss
