Circulatory System Quiz

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Adventitia

Endoneuriu

m

Endotheliu

m In

tima

Perineuriu

m

67%

0%

33%

0%0%

1. Identify this material (arrow, black).A. AdventitiaB. EndoneuriumC. EndotheliumD. IntimaE. Perineurium

CNS

Parasympatheti...

Senso

ry

Somatic

Sympathetic

0% 0%

100%

0%0%

2. Identify the innervation of this material (arrow, black).A. CNSB. ParasympatheticC. SensoryD. SomaticE. Sympathetic

3. This structure consists of only one classified layer named the (arrow, black)

Adventitia

Capillary

Media

Intima

Sero

sa

0% 0% 0%

100%

0%

A. AdventitiaB. CapillaryC. MediaD. IntimaE. Serosa

4. Identify this vessel (arrow, black).

Capillary

Elasti

c arte

ry

Muscu

lar arte

r...

Lymphatic

Vein

0% 0% 0%

100%

0%

A. CapillaryB. Elastic arteryC. Muscular arteryD. LymphaticE. Vein

5. A key coagulation factor secreted by endothelial cells is

Angiotensin

co...

Atrial

natriur...

Facto

r VIII

Mye

lin

Nitric

oxide

67%

0% 0%0%

33%

A. Angiotensin converting enzyme

B. Atrial natriuretic peptide

C. Factor VIIID. MyelinE. Nitric oxide

6. What type of capillary would you expect to find in the dermis?

Continuous

Fenestr

ated wi...

Fenestr

ated

Glomerulize

d

Sinuso

idal

100%

0% 0%0%0%

A. ContinuousB. Fenestrated with

diaphragmC. FenestratedD. GlomerulizedE. Sinusoidal

7. Identify this vessel (arrow, black).

Arterio

le

Capillary

Lymphatic c

api... Vein

Venule

33%

0% 0%

67%

0%

400x

A. ArterioleB. CapillaryC. Lymphatic capillaryD. VeinE. Venule

8. Identify this structure (arrow, black).

Adventitia

Inner e

lastic .

..

Leukocy

te laye

...

Media

Sero

sa

0%

100%

0%0%0%

A. AdventitiaB. Inner elastic limiting membraneC. Leukocyte layerD. MediaE. Serosa

10. Which of the following is found within the tunica media of largest arteries?

Elasti

c fibers

Fibro

blasts

Mast

cells

Simple sq

uamou...

Vasa vaso

rum

33%

0%

67%

0%0%

A. Elastic fibersB. FibroblastsC. Mast cellsD. Simple squamous

epitheliumE. Vasa vasorum

11. Which of the following vessels possesses a vasa vasorum in its tunica adventitia?

Arterio

le

Elasti

c arte

ry

Small a

rtery

Small v

ein

Venule

0%

67%

0%0%

33%

A. ArterioleB. Elastic arteryC. Small arteryD. Small veinE. Venule

12. Which of the following are components, along with a dense connective tissue framework, that form valves

in medium and large veins?

Extern

al and i..

.

Tunica in

tima ...

Tunica in

tima ...

Tunica m

edia a...

Tunica m

edia o...

0%

33%

0%0%

67%A. External and internal elastic membranes

B. Tunica intima and media

C. Tunica intima onlyD. Tunica media and

adventitiaE. Tunica media only

13. The impulse-conducting system within cardiac muscle is composed of which of the

following modified myocytes?

Cells of th

e e...

Mye

linated axo...

Purkinje fiber...

Sarco

plasmic r

...

Unmyelin

ated a...

0% 0% 0%0%

100%A. Cells of the endothelium

B. Myelinated axonsC. Purkinje fibersD. Sarcoplasmic

reticulumE. Unmyelinated axons

14. While examining a tissue with a light microscope, you notice a small vessel that has 2 circular layers of smooth muscle in its tunica media. The

lumen of this vessel is only slightly larger than the diameter of an erythrocyte. Which of the following types of vessels are you examining?

Arterio

le

Fenestr

ated ca...

Large vein

Muscu

lar arte

r...

Venule

33% 33%

0%

33%

0%

A. ArterioleB. Fenestrated

capillaryC. Large veinD. Muscular arteryE. Venule

15. Which of the following cells surround blood capillaries and have contractile function?

Fibro

blasts

Macro

phage

Pericyte

s

Purkinje fiber

Smooth

muscl

e ...

0% 0%

33%

0%

67%A. FibroblastsB. MacrophageC. PericytesD. Purkinje fiberE. Smooth muscle

fibers

16. The aorta is a prominent blood vessel within the body. Which of the following best

categorizes this vessel?

Elasti

c arte

ry

Large vein

Medium arte

ry

Medium vein

Muscu

lar arte

r...

100%

0% 0%0%0%

A. Elastic arteryB. Large veinC. Medium arteryD. Medium veinE. Muscular artery

17. Sinusoids within such organs as the spleen and bone marrow are classified as which of the

following types of vessels?

Arterio

les

Capillarie

s

Lymph ve

ssels

Vasa vaso

rum

Veins

0%

100%

0%0%0%

A. ArteriolesB. CapillariesC. Lymph vesselsD. Vasa vasorumE. Veins

18. While examining a tissue with a light microscope, you note a vessel that has no smooth muscle. However, you note a small

amount of connective tissue at the periphery of the vessel. Which of the following vessels are you examining?

Arterio

le

Capillary

Elasti

c arte

ry

Large vein

Venule

0%

67%

33%

0%0%

A. ArterioleB. CapillaryC. Elastic arteryD. Large veinE. Venule