TAMU BIOL 320 Test 2
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
What type of cells is tunica media comprised of? - CORRECT
REPLY>>>>>>-Smooth muscle tissue
,What type of cells is tunica externa comprised of? - CORRECT
REPLY>>>>>>-Collagen fibers
Which tunic is significantly smaller in a vein when compared to and
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 feel 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
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>>>>>>-Limit flow of blood to less
important/nonessential tissues
What is the function of arterioles? - CORRECT
REPLY>>>>>>-To connect arteries to capillaries
How thick are capillary walls? - CORRECT REPLY>>>>>>-1
cell thick
Define: Thoroughfare (wrt capillaries) - CORRECT
REPLY>>>>>>-Structures that allow blood to pass through
closed capillary beds unhindered
What are the functions of pericytes? - CORRECT
REPLY>>>>>>-Stabilize the walls of capillary beds
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
What type of cells is tunica media comprised of? - CORRECT
REPLY>>>>>>-Smooth muscle tissue
,What type of cells is tunica externa comprised of? - CORRECT
REPLY>>>>>>-Collagen fibers
Which tunic is significantly smaller in a vein when compared to and
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 feel 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
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>>>>>>-Limit flow of blood to less
important/nonessential tissues
What is the function of arterioles? - CORRECT
REPLY>>>>>>-To connect arteries to capillaries
How thick are capillary walls? - CORRECT REPLY>>>>>>-1
cell thick
Define: Thoroughfare (wrt capillaries) - CORRECT
REPLY>>>>>>-Structures that allow blood to pass through
closed capillary beds unhindered
What are the functions of pericytes? - CORRECT
REPLY>>>>>>-Stabilize the walls of capillary beds
