TAMU BIOL 320
REVIEW FOR
EXAM 2
Venous system - CORRECT REPLY>>>>>>-large veins
(capacitance vessels)
Small veins (capacitance vessels)
Postcapillary venule
Arterial system - CORRECT REPLY>>>>>>-elastic arteries,
muscular arteries, arterioles, capillaries
In which specific structure is blood pressure highest? -
CORRECT REPLY>>>>>>-the aorta
,Blood ____________ (leaving/entering) the heart is at its
highest pressure. - CORRECT REPLY>>>>>>-leaving
What are the three layers of a blood vessel from most deep
to most superficial? - CORRECT REPLY>>>>>>-- tunica
intima
- tunica media
- tunica externa
What type of tissue is tunica intima comprised of? -
CORRECT REPLY>>>>>>-endothelial tissue
Subendothelial layer
What type of cells is tunica media comprised of? - CORRECT
REPLY>>>>>>-smooth muscle and elastic fibers
What type of cells is tunica externa comprised of? -
CORRECT REPLY>>>>>>-collagen fibers
,Which tunic is significantly smaller in a vein when compared
to an artery? - CORRECT REPLY>>>>>>-tunica media
What are the two layers of a capillary? - CORRECT
REPLY>>>>>>-basement membrane and endothelial cells
What are the three types of arteries? - CORRECT
REPLY>>>>>>-- elastic
- muscular
- arteriole
What are the two types of veins? - CORRECT REPLY>>>>>>-
venule and veins
What are the functions of tunica externa? - CORRECT
REPLY>>>>>>-- anchoring
- protection
- house vaso vasorum
, Define: vaso vasorum - CORRECT REPLY>>>>>>-network of
blood vessels that feed the blood vessels of the body; micro
circulatory system
What structure about veins prevents backflow? - CORRECT
REPLY>>>>>>-valves
What are the major functions of elastic arteries? - CORRECT
REPLY>>>>>>-- reduce shock
- even out flow -does not vasoconsrict
T/f: elastic and muscular arteries vasoconstrict while
arterioles cannot vasoconstrict. - CORRECT REPLY>>>>>>-
false: muscular arteries and arterioles can vasoconstrict while
elastic arteries cannot vasoconstrict
What is the major function of muscular arteries? - CORRECT
REPLY>>>>>>-supply to organs
Do vasoconstrict
Limit blood supply to tissues that aren't in need
REVIEW FOR
EXAM 2
Venous system - CORRECT REPLY>>>>>>-large veins
(capacitance vessels)
Small veins (capacitance vessels)
Postcapillary venule
Arterial system - CORRECT REPLY>>>>>>-elastic arteries,
muscular arteries, arterioles, capillaries
In which specific structure is blood pressure highest? -
CORRECT REPLY>>>>>>-the aorta
,Blood ____________ (leaving/entering) the heart is at its
highest pressure. - CORRECT REPLY>>>>>>-leaving
What are the three layers of a blood vessel from most deep
to most superficial? - CORRECT REPLY>>>>>>-- tunica
intima
- tunica media
- tunica externa
What type of tissue is tunica intima comprised of? -
CORRECT REPLY>>>>>>-endothelial tissue
Subendothelial layer
What type of cells is tunica media comprised of? - CORRECT
REPLY>>>>>>-smooth muscle and elastic fibers
What type of cells is tunica externa comprised of? -
CORRECT REPLY>>>>>>-collagen fibers
,Which tunic is significantly smaller in a vein when compared
to an artery? - CORRECT REPLY>>>>>>-tunica media
What are the two layers of a capillary? - CORRECT
REPLY>>>>>>-basement membrane and endothelial cells
What are the three types of arteries? - CORRECT
REPLY>>>>>>-- elastic
- muscular
- arteriole
What are the two types of veins? - CORRECT REPLY>>>>>>-
venule and veins
What are the functions of tunica externa? - CORRECT
REPLY>>>>>>-- anchoring
- protection
- house vaso vasorum
, Define: vaso vasorum - CORRECT REPLY>>>>>>-network of
blood vessels that feed the blood vessels of the body; micro
circulatory system
What structure about veins prevents backflow? - CORRECT
REPLY>>>>>>-valves
What are the major functions of elastic arteries? - CORRECT
REPLY>>>>>>-- reduce shock
- even out flow -does not vasoconsrict
T/f: elastic and muscular arteries vasoconstrict while
arterioles cannot vasoconstrict. - CORRECT REPLY>>>>>>-
false: muscular arteries and arterioles can vasoconstrict while
elastic arteries cannot vasoconstrict
What is the major function of muscular arteries? - CORRECT
REPLY>>>>>>-supply to organs
Do vasoconstrict
Limit blood supply to tissues that aren't in need
