BIOS 255 EDAPT WEEK 3 QUESTIONS
AND ANSWERS WITH VERIFIED
SOLUTIONS 2024
select all that are true of capillaries - ANSWER - fenestrated capillaries allow for fast filtration and
absorption
- sinusoidal capillaries are found in bone marrow
- continuous capillaries are the most common type
which of the following is true of vasoconstriction - ANSWER - decrease in blood flow and an increase in
blood pressure
under the microscope, a blood vessel is observed to have a relatively thin wall, a large lumen, is
collapsed, and contains a thick tunica externa. this is probably a(n): - ANSWER - vein
which of the following is not a mechanism that assists venous return - ANSWER - an increase in
peripheral resistance
select all that occur during bulk flow across a typical capillary - ANSWER - reabsorption
- movement of fluids and solutes into the capillary
- filtration
- movement of fluids and solutes out of the capillary
the blood flow to the body organs ____ - ANSWER - is inversely proportional to the resistance of the
arterioles leading to them
the ____ the radius of a vessel , the greater the resistance - ANSWER - smaller
as the radius of a vessel increases, the resistance ___ - ANSWER - decreases
as the resistance decreases, the blood flow _____ - ANSWER - increases
, the _____ the radius of a vessel, the less the resistance - ANSWER - larger
blood flow to an organ will decrease with ______ - ANSWER - vasoconstriction
blood flow to an organ will increase with _______ - ANSWER - vasodilation
a patient's systolic pressure is 130 and diastolic pressure is 90. what is the pulse pressure - ANSWER - 40
mmHg
capillaries have only a _____ - ANSWER - tunica intima
continuous capillaries - ANSWER - vessels that allow only small nutrients through via simple diffusion
sinusoidal capillaries - ANSWER - vessels that lack a basement membrane and are typically found in red
bone marrow and liver
fenestrated capillaries - ANSWER - vessels that are ideal for moving large nutrients to be absorbed and
wastes to be filtered
elastic arteries - ANSWER - found close to the heart
- largest of the arteries
- tunica media composed of smooth muscle and elastic connective tissue
muscular arteries - ANSWER - second largest of the arteries
- found far from the heart
- tunica media composed of smooth muscle
which form of membrane movement is ideal for the diffusion of gases - ANSWER - simple diffusion
AND ANSWERS WITH VERIFIED
SOLUTIONS 2024
select all that are true of capillaries - ANSWER - fenestrated capillaries allow for fast filtration and
absorption
- sinusoidal capillaries are found in bone marrow
- continuous capillaries are the most common type
which of the following is true of vasoconstriction - ANSWER - decrease in blood flow and an increase in
blood pressure
under the microscope, a blood vessel is observed to have a relatively thin wall, a large lumen, is
collapsed, and contains a thick tunica externa. this is probably a(n): - ANSWER - vein
which of the following is not a mechanism that assists venous return - ANSWER - an increase in
peripheral resistance
select all that occur during bulk flow across a typical capillary - ANSWER - reabsorption
- movement of fluids and solutes into the capillary
- filtration
- movement of fluids and solutes out of the capillary
the blood flow to the body organs ____ - ANSWER - is inversely proportional to the resistance of the
arterioles leading to them
the ____ the radius of a vessel , the greater the resistance - ANSWER - smaller
as the radius of a vessel increases, the resistance ___ - ANSWER - decreases
as the resistance decreases, the blood flow _____ - ANSWER - increases
, the _____ the radius of a vessel, the less the resistance - ANSWER - larger
blood flow to an organ will decrease with ______ - ANSWER - vasoconstriction
blood flow to an organ will increase with _______ - ANSWER - vasodilation
a patient's systolic pressure is 130 and diastolic pressure is 90. what is the pulse pressure - ANSWER - 40
mmHg
capillaries have only a _____ - ANSWER - tunica intima
continuous capillaries - ANSWER - vessels that allow only small nutrients through via simple diffusion
sinusoidal capillaries - ANSWER - vessels that lack a basement membrane and are typically found in red
bone marrow and liver
fenestrated capillaries - ANSWER - vessels that are ideal for moving large nutrients to be absorbed and
wastes to be filtered
elastic arteries - ANSWER - found close to the heart
- largest of the arteries
- tunica media composed of smooth muscle and elastic connective tissue
muscular arteries - ANSWER - second largest of the arteries
- found far from the heart
- tunica media composed of smooth muscle
which form of membrane movement is ideal for the diffusion of gases - ANSWER - simple diffusion
