bio 202 exam 2 gcu Qu estions an d
answ er s w ith accu r ate
r ationales(PASSED)
what are the functions of an artery - answer maintain blood pressure
even when the heart relaxes ; carries out blood
what are the functions of a vein - answer returns deoxygenated blood
back into heart
what the functions of the arteriole - answer transports blood from
arteries to capillaries
what are the functions of the venue - answer a very small blood vessel,
always allows blood to return from capillary beds to drain into larger
blood vessels.
what are the functions of the capillary - answer the smallest of blood
vessels, they distribute oxygenated blood from arteries to the tissues of
the body and to feed deoxygenates blood from the tissues back into the
veins.
From outer to inner, 3 tunic (layers) of an artery - answer 1. Tunica
adventitia
, 2. tunica media
3. tunica intima
What layer consists mostly of Smooth muscle? - answer tunica media
Why do larger veins have valves? - answer prevent backflow
What is venipuncture? - answer the puncture of a vein as part of a
medical procedure. Typically to withdraw a blood sample or for an
intravenous injection.
what is the name of the space in a blood vessel where blood flow? -
answer the Lumen
explain the major difference between arteries and veins? - answer
arteries: has thicker walls to maintain blood pressure
veins: have thinner walls
Describe the importance of the elasticity an artery? what happens to
the elasticity as one ages? How would this affect a person? - answer The
elasticity maintains blood pressure even when the heart relaxes.
- when the heart ages the arteries becomes less elastic and they cannon
relax as quickly
answ er s w ith accu r ate
r ationales(PASSED)
what are the functions of an artery - answer maintain blood pressure
even when the heart relaxes ; carries out blood
what are the functions of a vein - answer returns deoxygenated blood
back into heart
what the functions of the arteriole - answer transports blood from
arteries to capillaries
what are the functions of the venue - answer a very small blood vessel,
always allows blood to return from capillary beds to drain into larger
blood vessels.
what are the functions of the capillary - answer the smallest of blood
vessels, they distribute oxygenated blood from arteries to the tissues of
the body and to feed deoxygenates blood from the tissues back into the
veins.
From outer to inner, 3 tunic (layers) of an artery - answer 1. Tunica
adventitia
, 2. tunica media
3. tunica intima
What layer consists mostly of Smooth muscle? - answer tunica media
Why do larger veins have valves? - answer prevent backflow
What is venipuncture? - answer the puncture of a vein as part of a
medical procedure. Typically to withdraw a blood sample or for an
intravenous injection.
what is the name of the space in a blood vessel where blood flow? -
answer the Lumen
explain the major difference between arteries and veins? - answer
arteries: has thicker walls to maintain blood pressure
veins: have thinner walls
Describe the importance of the elasticity an artery? what happens to
the elasticity as one ages? How would this affect a person? - answer The
elasticity maintains blood pressure even when the heart relaxes.
- when the heart ages the arteries becomes less elastic and they cannon
relax as quickly
