BIO 235 - FINAL EXAM TESTBANK NEWEST 2026 QUESTIONS AND ANSWERS (LATEST
UPDATE) (VERIFIED ANSWERS) 100% CORRECT | GRADE A+
Which of the following blood vessels carries blood away from the heart to other organs?
a) arteries
b) capillaries
c) venules
d) arterioles
e) veins
a) arteries
Which of the following blood vessels carries blood from the tissues back to the heart?
a) arteries
b) arterioles
c) aorta
d) veins
e) capillaries
d) veins
Which layer of the arterial wall is responsible for vasoconstriction?
a) tunica interna
b) tunica media
c) tunica externa
d) tunica albuginea
e) tunica fascia
b) tunica media
Which layer of the arterial wall is primarily composed of elastic and collagen fibers?
a) tunica interna
b) tunica media
c) tunica externa
d) tunica albuginea
e) tunica fascia
c) tunica externa
When an artery or arteriole is damaged, its smooth muscle layer contracts producing
a) tear in the vessel.
b) new vessel branching off the artery or arteriole. c) a vascular spasm.
d) tetanus.
e) increased blood flow to the damaged vessel
c) a vascular spasm.
, 2
Elastic arteries function as
a) vasodilators.
b) conduits to the tissues of the trunk only.
c) barriers to microcirculation.
d) pressure reservoirs.
e) vasoconstrictors.
d) pressure reservoirs.
In resting individuals, which vessels serve as a large blood reservoir from which blood can
be quickly diverted to other vessels as needed?
a) Arteries and arterioles
b) Arterioles and capillaries
c) Venules and capillaries
d) Veins and venules
e) Aorta and veins
d) Veins and venules
Which type of blood vessel plays a key role in regulating blood flow into capillaries?
a) arteries
b) arterioles
c) venules
d) veins
e) aorta
b) arterioles
Which of the following structures are found in veins but NOT in arteries?
a) tunica externa
b) tunica media
c) tunica interna
d) valve
e) lumen
d) valve
Capillaries are also referred to as
a) exchange vessels.
b) vasoconstrictors.
c) vasodilators.
d) pressure reservoirs.
e) distributing vessels.
, 3
a) exchange vessels.
Which of the following is the most important method of capillary exchange?
a) diffusion
b) transcytosis
c) bulk flow
d) primary active transport
e) secondary active transport
a) diffusion
Which of the following structures is used to control the flow of blood through a capillary
bed?
a) thoroughfare channels
b) precapillary sphincters
c) postcapillary sphincters
d) venules
e) valves in veins
b) precapillary sphincters
Which of the following types of tissues contains continuous capillaries?
a) skeletal muscle
b) smooth muscle
c) connective tissue
d) lungs
e) all of these choices
e) all of these choices
The alternate route of blood flow to a body part through an anastomosis is called
a) a thoroughfare channel.
b) a blood reservoir.
c) a detour route.
d) collateral circulation.
e) microcirculation
d) collateral circulation.
The largest driving force for pulling fluid from the interstitial spaces back into the
capillaries is
a) interstitial fluid hydrostatic pressure.
b) interstitial fluid osmotic pressure.
c) blood colloid osmotic pressure.
, 4
d) blood hydrostatic pressure.
e) glomerular hydrostatic pressure.
c) blood colloid osmotic pressure.
The pressure-driven movement of fluids and solutes from blood into interstitial fluid is
called
a) reabsorption.
b) filtration.
c) bulk flow.
d) osmosis.
e) transcytosis.
b) filtration.
The volume of blood that circulates through the systemic (or pulmonary) blood vessels per
minute is called
a) stroke volume.
b) tidal volume.
c) cardiac output.
d) cardiac reserve.
e) total peripheral resistance
c) cardiac output.
Cardiac output is dependent on both
a) heart rate and stroke volume.
b) stroke volume and systemic vascular resistance.
c) heart rate and systemic vascular resistance.
d) blood type and stroke volume.
e) blood pressure and heart rate
a) heart rate and stroke volume.
Which of the following would NOT result in an increase in arterial blood pressure?
a) Increased blood volume
b) Increased sympathetic stimulation
c) Increased heart rate
d) Increased stroke volume
e) Increased arteriolar vasodilation
e) Increased arteriolar vasodilation
UPDATE) (VERIFIED ANSWERS) 100% CORRECT | GRADE A+
Which of the following blood vessels carries blood away from the heart to other organs?
a) arteries
b) capillaries
c) venules
d) arterioles
e) veins
a) arteries
Which of the following blood vessels carries blood from the tissues back to the heart?
a) arteries
b) arterioles
c) aorta
d) veins
e) capillaries
d) veins
Which layer of the arterial wall is responsible for vasoconstriction?
a) tunica interna
b) tunica media
c) tunica externa
d) tunica albuginea
e) tunica fascia
b) tunica media
Which layer of the arterial wall is primarily composed of elastic and collagen fibers?
a) tunica interna
b) tunica media
c) tunica externa
d) tunica albuginea
e) tunica fascia
c) tunica externa
When an artery or arteriole is damaged, its smooth muscle layer contracts producing
a) tear in the vessel.
b) new vessel branching off the artery or arteriole. c) a vascular spasm.
d) tetanus.
e) increased blood flow to the damaged vessel
c) a vascular spasm.
, 2
Elastic arteries function as
a) vasodilators.
b) conduits to the tissues of the trunk only.
c) barriers to microcirculation.
d) pressure reservoirs.
e) vasoconstrictors.
d) pressure reservoirs.
In resting individuals, which vessels serve as a large blood reservoir from which blood can
be quickly diverted to other vessels as needed?
a) Arteries and arterioles
b) Arterioles and capillaries
c) Venules and capillaries
d) Veins and venules
e) Aorta and veins
d) Veins and venules
Which type of blood vessel plays a key role in regulating blood flow into capillaries?
a) arteries
b) arterioles
c) venules
d) veins
e) aorta
b) arterioles
Which of the following structures are found in veins but NOT in arteries?
a) tunica externa
b) tunica media
c) tunica interna
d) valve
e) lumen
d) valve
Capillaries are also referred to as
a) exchange vessels.
b) vasoconstrictors.
c) vasodilators.
d) pressure reservoirs.
e) distributing vessels.
, 3
a) exchange vessels.
Which of the following is the most important method of capillary exchange?
a) diffusion
b) transcytosis
c) bulk flow
d) primary active transport
e) secondary active transport
a) diffusion
Which of the following structures is used to control the flow of blood through a capillary
bed?
a) thoroughfare channels
b) precapillary sphincters
c) postcapillary sphincters
d) venules
e) valves in veins
b) precapillary sphincters
Which of the following types of tissues contains continuous capillaries?
a) skeletal muscle
b) smooth muscle
c) connective tissue
d) lungs
e) all of these choices
e) all of these choices
The alternate route of blood flow to a body part through an anastomosis is called
a) a thoroughfare channel.
b) a blood reservoir.
c) a detour route.
d) collateral circulation.
e) microcirculation
d) collateral circulation.
The largest driving force for pulling fluid from the interstitial spaces back into the
capillaries is
a) interstitial fluid hydrostatic pressure.
b) interstitial fluid osmotic pressure.
c) blood colloid osmotic pressure.
, 4
d) blood hydrostatic pressure.
e) glomerular hydrostatic pressure.
c) blood colloid osmotic pressure.
The pressure-driven movement of fluids and solutes from blood into interstitial fluid is
called
a) reabsorption.
b) filtration.
c) bulk flow.
d) osmosis.
e) transcytosis.
b) filtration.
The volume of blood that circulates through the systemic (or pulmonary) blood vessels per
minute is called
a) stroke volume.
b) tidal volume.
c) cardiac output.
d) cardiac reserve.
e) total peripheral resistance
c) cardiac output.
Cardiac output is dependent on both
a) heart rate and stroke volume.
b) stroke volume and systemic vascular resistance.
c) heart rate and systemic vascular resistance.
d) blood type and stroke volume.
e) blood pressure and heart rate
a) heart rate and stroke volume.
Which of the following would NOT result in an increase in arterial blood pressure?
a) Increased blood volume
b) Increased sympathetic stimulation
c) Increased heart rate
d) Increased stroke volume
e) Increased arteriolar vasodilation
e) Increased arteriolar vasodilation
