Blood Vessels And Circulation

This question bank verified by Studydeets
All Questions
Filter by:
Question 1
Free
Multiple Choice

The muscular layer in the wall of a blood vessel is the tunica

Choose correct answer/s
A

intima.

B

externa.

C

media.

D

interna.

E

adventitia.

Check answer
Question 2
Free
Multiple Choice

Compared to arteries, veins

Choose correct answer/s
A

are rounder in a sectional cut.

B

have more smooth muscle in their tunica media.

C

have a pleated endothelium.

D

have thinner walls.

E

hold their shape better when cut.

Check answer
Question 3
Free
Multiple Choice

Capillaries that have a complete lining are called

Choose correct answer/s
A

continuous capillaries.

B

fenestrated capillaries.

C

sinusoidal capillaries.

D

sinusoids.

E

vasa vasorum.

Check answer
Question 4
Free
Multiple Choice

The smallest arterial branches are called the

Choose correct answer/s
A

muscular arteries.

B

arterioles.

C

capillaries.

D

venules.

E

veins.

Check answer
Question 5
Free
Multiple Choice

The layer between the tunica media and the tunica externa in a large artery is the

Choose correct answer/s
A

tunica intima.

B

external elastic membrane.

C

tunica media.

D

internal elastic membrane.

E

tunica externa.

Check answer
Question 6
Multiple Choice

Which of the following layers of a vessel contains collagen fibers with scattered bands of elastic fibers?

Choose correct answer/s
A
tunica intima
B
external elastic membrane
C
tunica media
D
internal elastic membrane
E
tunica externa
To unlock the question
Question 7
Multiple Choice

After blood leaves the capillaries, it enters the

Choose correct answer/s
A
arteries.
B
arterioles.
C
capillaries.
D
venules.
E
veins.
To unlock the question
Question 8
Multiple Choice

Which layer of a blood vessel contains concentric sheets of smooth muscle tissue?

Choose correct answer/s
A
tunica intima
B
external elastic membrane
C
tunica media
D
internal elastic membrane
E
tunica externa
To unlock the question
Question 9
Multiple Choice

The large vessels that return blood to the heart are called

Choose correct answer/s
A
arteries.
B
arterioles.
C
capillaries.
D
venules.
E
veins.
To unlock the question
Question 10
Multiple Choice

In arteries, the thick layer of elastic fibers associated with the tunica intima is called the

Choose correct answer/s
A
tunica intima.
B
external elastic membrane.
C
tunica media.
D
internal elastic membrane.
E
tunica externa.
To unlock the question
Question 11
Multiple Choice

Which of the following is the innermost layer of a blood vessel?

Choose correct answer/s
A
tunica intima
B
external elastic membrane
C
tunica media
D
internal elastic membrane
E
tunica externa
To unlock the question
Question 12
Multiple Choice

Venoconstriction ________ the amount of blood within the venous system, which ________ the volume in thearterial and capillary systems.

Choose correct answer/s
A
doubles; decreases
B
reduces; increases
C
decreases; doubles
D
increases; reduces
E
reduces; reduces
To unlock the question
Question 13
Multiple Choice

Venous valves are responsible for

Choose correct answer/s
A
preventing anterograde flow.
B
channeling blood away from the heart.
C
channeling blood toward the heart.
D
preventing blood from re-entering a ventricle.
E
regulating blood pressure in veins.
To unlock the question
Question 14
Multiple Choice

Venae cavae are the largest of what type of vessel?

Choose correct answer/s
A
artery
B
arteriole
C
capillary
D
venule
E
vein
To unlock the question
Question 15
Multiple Choice

Which of the following vessels changes diameter most readily to local conditions or SNS stimulation?

Choose correct answer/s
A
elastic arteries
B
arterioles
C
fenestrated capillaries
D
venules
E
veins
To unlock the question
Question 16
Multiple Choice

Of the following, which is an elastic artery?

Choose correct answer/s
A
the subclavian
B
the external carotid
C
the brachial
D
the femoral
E
the ulnar
To unlock the question
Question 17
Multiple Choice

You would expect to find fenestrated capillaries in

Choose correct answer/s
A
skeletal muscles.
B
cardiac muscle.
C
the pituitary gland.
D
bone.
E
skin.
To unlock the question
Question 18
Multiple Choice

A sample of tissue displays many large flattened spaces lined by fenestrated endothelium. Blood moves slowly through these spaces. This tissue sample most likely came from the

Choose correct answer/s
A
heart.
B
lungs.
C
liver.
D
kidneys.
E
skin.
To unlock the question
Question 19
Multiple Choice

These vessels may be continuous or fenestrated.

Choose correct answer/s
A
arteries
B
arterioles
C
capillaries
D
venules
E
veins
To unlock the question
Question 20
Multiple Choice

What structure do RBCs move through single-file?

Choose correct answer/s
A
artery
B
arteriole
C
capillary
D
venule
E
vein
To unlock the question