Blood Vessels And Circulation

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Question 1

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Multiple Choice

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

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intima.

externa.

media.

interna.

adventitia.

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Question 2

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Multiple Choice

Compared to arteries, veins

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are rounder in a sectional cut.

have more smooth muscle in their tunica media.

have a pleated endothelium.

have thinner walls.

hold their shape better when cut.

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Question 3

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Multiple Choice

Capillaries that have a complete lining are called

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continuous capillaries.

fenestrated capillaries.

sinusoidal capillaries.

sinusoids.

vasa vasorum.

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Question 4

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Multiple Choice

The smallest arterial branches are called the

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muscular arteries.

arterioles.

capillaries.

venules.

veins.

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Question 5

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Multiple Choice

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

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tunica intima.

external elastic membrane.

tunica media.

internal elastic membrane.

tunica externa.

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Question 6

Multiple Choice

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

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tunica intima

external elastic membrane

tunica media

internal elastic membrane

tunica externa

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Question 7

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After blood leaves the capillaries, it enters the

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arteries.

arterioles.

capillaries.

venules.

veins.

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Question 8

Multiple Choice

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

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tunica intima

external elastic membrane

tunica media

internal elastic membrane

tunica externa

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Question 9

Multiple Choice

The large vessels that return blood to the heart are called

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arteries.

arterioles.

capillaries.

venules.

veins.

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Question 10

Multiple Choice

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

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tunica intima.

external elastic membrane.

tunica media.

internal elastic membrane.

tunica externa.

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Question 11

Multiple Choice

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

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tunica intima

external elastic membrane

tunica media

internal elastic membrane

tunica externa

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Question 12

Multiple Choice

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

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doubles; decreases

reduces; increases

decreases; doubles

increases; reduces

reduces; reduces

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Question 13

Multiple Choice

Venous valves are responsible for

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preventing anterograde flow.

channeling blood away from the heart.

channeling blood toward the heart.

preventing blood from re-entering a ventricle.

regulating blood pressure in veins.

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Question 14

Multiple Choice

Venae cavae are the largest of what type of vessel?

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artery

arteriole

capillary

venule

vein

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Question 15

Multiple Choice

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

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elastic arteries

arterioles

fenestrated capillaries

venules

veins

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Question 16

Multiple Choice

Of the following, which is an elastic artery?

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the subclavian

the external carotid

the brachial

the femoral

the ulnar

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Question 17

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You would expect to find fenestrated capillaries in

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skeletal muscles.

cardiac muscle.

the pituitary gland.

bone.

skin.

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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

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heart.

lungs.

liver.

kidneys.

skin.

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Question 19

Multiple Choice

These vessels may be continuous or fenestrated.

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arteries

arterioles

capillaries

venules

veins

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Question 20

Multiple Choice

What structure do RBCs move through single-file?

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artery

arteriole

capillary

venule

vein

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Blood Vessels And Circulation

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

Compared to arteries, veins

Capillaries that have a complete lining are called

The smallest arterial branches are called the

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

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

After blood leaves the capillaries, it enters the

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

The large vessels that return blood to the heart are called

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

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

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

Venous valves are responsible for

Venae cavae are the largest of what type of vessel?

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

Of the following, which is an elastic artery?

You would expect to find fenestrated capillaries in

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

These vessels may be continuous or fenestrated.

What structure do RBCs move through single-file?

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