HUMAN ANATOMY AND
PHYSIOLOGY (BIOL 235) PRACTICE
EXAM QUESTIONS AND ANSWERS
ATHABSCA UNIVERSITY
,Question type: Multiple Choice
1) 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
Answer: a
Difficulty: Easy
Study Objective 1: SO 21.1 Describe the pressure and volume relationships of the vessels as
blood moves in its passage from the heart to the capillaries and back.
Study Objective 2: SO 21.1.2 Outline the vessels through which the blood moves in its passage
from the heart to the capillaries and back.
Section Reference 1: Sec 21.1 Structure and Function of Blood Vessels
2) 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
Answer: d
Difficulty: Easy
Study Objective 1: SO 21.1 Describe the pressure and volume relationships of the vessels as
blood moves in its passage from the heart to the capillaries and back.
Study Objective 2: SO 21.1.2 Outline the vessels through which the blood moves in its passage
from the heart to the capillaries and back.
Section Reference 1: Sec 21.1 Structure and Function of Blood Vessels
3) 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
Answer: b
Difficulty: Medium
Study Objective 1: SO 21.1 Describe the pressure and volume relationships of the vessels as
blood moves in its passage from the heart to the capillaries and back.
Study Objective 2: SO 21.1.1 Contrast the structure and function of arteries, arterioles,
capillaries, venules, and veins.
Section Reference 1: Sec 21.1 Structure and Function of Blood Vessels
4) 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
Answer: c
Difficulty: Medium
Study Objective 1: SO 21.1 Describe the pressure and volume relationships of the vessels as
blood moves in its passage from the heart to the capillaries and back.
Study Objective 2: SO 21.1.1 Contrast the structure and function of arteries, arterioles,
capillaries, venules, and veins.
Section Reference 1: Sec 21.1 Structure and Function of Blood Vessels
5) 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.
Answer: c
Difficulty: Medium
, Study Objective 1: SO 21.1 Describe the pressure and volume relationships of the vessels as
blood moves in its passage from the heart to the capillaries and back.
Study Objective 2: SO 21.1.1 Contrast the structure and function of arteries, arterioles,
capillaries, venules, and veins.
Section Reference 1: Sec 21.1 Structure and Function of Blood Vessels
6) Elastic arteries function as
a) vasodilators.
b) conduits to the tissues of the trunk only.
c) barriers to microcirculation.
d) pressure reservoirs.
e) vasoconstrictors.
Answer: d
Difficulty: Medium
Study Objective 1: SO 21.1 Describe the pressure and volume relationships of the vessels as
blood moves in its passage from the heart to the capillaries and back.
Study Objective 2: SO 21.1.3 Distinguish between pressure reservoirs and blood reservoirs.
Section Reference 1: Sec 21.1 Structure and Function of Blood Vessels
7) 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
Answer: d
Difficulty: Medium
Study Objective 1: SO 21.1 Describe the pressure and volume relationships of the vessels as
blood moves in its passage from the heart to the capillaries and back.
Study Objective 2: SO 21.1.3 Distinguish between pressure reservoirs and blood reservoirs.
Section Reference 1: Sec 21.1 Structure and Function of Blood Vessels
8) Which type of blood vessel plays a key role in regulating blood flow into capillaries?
a) arteries
b) arterioles
PHYSIOLOGY (BIOL 235) PRACTICE
EXAM QUESTIONS AND ANSWERS
ATHABSCA UNIVERSITY
,Question type: Multiple Choice
1) 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
Answer: a
Difficulty: Easy
Study Objective 1: SO 21.1 Describe the pressure and volume relationships of the vessels as
blood moves in its passage from the heart to the capillaries and back.
Study Objective 2: SO 21.1.2 Outline the vessels through which the blood moves in its passage
from the heart to the capillaries and back.
Section Reference 1: Sec 21.1 Structure and Function of Blood Vessels
2) 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
Answer: d
Difficulty: Easy
Study Objective 1: SO 21.1 Describe the pressure and volume relationships of the vessels as
blood moves in its passage from the heart to the capillaries and back.
Study Objective 2: SO 21.1.2 Outline the vessels through which the blood moves in its passage
from the heart to the capillaries and back.
Section Reference 1: Sec 21.1 Structure and Function of Blood Vessels
3) 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
Answer: b
Difficulty: Medium
Study Objective 1: SO 21.1 Describe the pressure and volume relationships of the vessels as
blood moves in its passage from the heart to the capillaries and back.
Study Objective 2: SO 21.1.1 Contrast the structure and function of arteries, arterioles,
capillaries, venules, and veins.
Section Reference 1: Sec 21.1 Structure and Function of Blood Vessels
4) 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
Answer: c
Difficulty: Medium
Study Objective 1: SO 21.1 Describe the pressure and volume relationships of the vessels as
blood moves in its passage from the heart to the capillaries and back.
Study Objective 2: SO 21.1.1 Contrast the structure and function of arteries, arterioles,
capillaries, venules, and veins.
Section Reference 1: Sec 21.1 Structure and Function of Blood Vessels
5) 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.
Answer: c
Difficulty: Medium
, Study Objective 1: SO 21.1 Describe the pressure and volume relationships of the vessels as
blood moves in its passage from the heart to the capillaries and back.
Study Objective 2: SO 21.1.1 Contrast the structure and function of arteries, arterioles,
capillaries, venules, and veins.
Section Reference 1: Sec 21.1 Structure and Function of Blood Vessels
6) Elastic arteries function as
a) vasodilators.
b) conduits to the tissues of the trunk only.
c) barriers to microcirculation.
d) pressure reservoirs.
e) vasoconstrictors.
Answer: d
Difficulty: Medium
Study Objective 1: SO 21.1 Describe the pressure and volume relationships of the vessels as
blood moves in its passage from the heart to the capillaries and back.
Study Objective 2: SO 21.1.3 Distinguish between pressure reservoirs and blood reservoirs.
Section Reference 1: Sec 21.1 Structure and Function of Blood Vessels
7) 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
Answer: d
Difficulty: Medium
Study Objective 1: SO 21.1 Describe the pressure and volume relationships of the vessels as
blood moves in its passage from the heart to the capillaries and back.
Study Objective 2: SO 21.1.3 Distinguish between pressure reservoirs and blood reservoirs.
Section Reference 1: Sec 21.1 Structure and Function of Blood Vessels
8) Which type of blood vessel plays a key role in regulating blood flow into capillaries?
a) arteries
b) arterioles
