Quizlet Vessels and Circulation

January 2, 2018 | Author: BrendaJooYee | Category: Artery, Circulatory System, Vein, Aorta, Angiology
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SLCC Anatomy- CH 23 Vessels and Circulation Study online at quizlet.com/_1ahc70

After entering the skill, the vertebral arteries merge to form the

basilar artery

The ______ artery does not contribute directly to an anastomosis.

common coratid

18.

At any given moment, which cardiovascular components contain the most blood?

systemic veins and venules

Blood from the GI tract that is within the hepatic portal system must travel to the liver so that it may be ____ and nutrients may be processed and absorbed.

detoxified

Blood pressure is highest in which type of artery?

elastic arteries

Blood vessels called ____ connect venules and arterioles.

capillaries

A blood vessel with thin walls, a relatively wide lumen, numerous one-way valves, and a diameter greater than 100 micrometers is called

a vein

The companion vessels to arterioles are the

venules

Compared with larger arteries, smaller arteries tend to have less elastic tissue in their walls and more ____________.

smooth muscle

Compared with those of the systemic circulation, arteries of the pulmonary circulation have lower blood pressure, have less elastic tissue and wider lumens, and carry blood that contains _____.

less oxygen

11.

Diapedesis occurs in what vessels?

postcapillary venules

12.

_____ effects nutrient delivery.

Vasmotion

In a capillary bed, the _______ branch from the metarteriole to form the bulk of the capillary bed.

true capillaries

In contrast to other arteries, arterioles

are only 3 mm in diameter or smaller

1.

2.

3.

4.

5.

6.

In the body, ____ blood vessels travel together to supply the same region of the body.

companion

In the cubital fossa, the brachial artery divides into these two arteries of the arm.

ulnar and radial artery

19.

The largest veins travel with

elastic arteries

20.

The left gastric artery supplies the

esophagus and lesser curvature of the stomach

The network of small arteries that extend through the tunica externa of very large blood vessels is called

vasa vasorum

______ raises blood pressure.

Vasoconstriction

The smallest blood vessels of the cardiovascular system are the ______.

capillaries

This artery is the main supplier of arterial blood to the lower limbs.

external iliac

This main artery of the aorta bifurcates into the right common carotid and right subclavian arteries

brachiocephalic artery

The three unpaired arteries of the descending abdominal aorta that supply the gastrointestinal tract are superior and inferior mesenteric arteries and the

celiac trunk

Veins that drain the head, neck, and upper limbs ultimately merge to form the

superior vena cava

The _____ veins travel through the vertebral foramina.

vertebral

What artery provides the main blood supply to lower limbs?

external iliac artery

What is the name of the anastomosis of arteries surrounding the sella turcica?

cerebral arterial circle

Which blood vessels become gradually smaller and branch the further they get from the heart?

arteries

Which major veins merge to create the inferior hepatic portal vein?

superior and inferior mesenteric veins and the celiac vein

Which superficial vein lays on the lateral side of the upper limbs and enters the deltopectoral triangle?

cephalic vein

17.

21.

22. 23.

7.

8.

9.

10.

24.

25.

26.

27.

28.

13.

14.

15.

16.

29.

30.

In terms of both composition and relative position, the endocardium of the heart is most similar to the ____________ of vessel walls.

tunica intima

The internal carotid arteries do not deliver blood to structures of the

neck, pharynx, larynx, mandible, and face

31.

32.

33.

Which superficial vein runs the medial surface of the leg before draining into the femoral vein?

great saphenous vein

35.

Which superficial vein runs the medial surface of the limbs?

basilic vein

36.

Which three arteries branch from the celiac trunk to supply digestive organs?

left gastric, splenic, and common hepatic

37.

Which tunic contains circularly arranged layers of smooth muscle cells?

tunica media

Which veins drain the lumbar and posterior intercostal veins located on the left side of the body?

hemiazygos and accessory hemiazygos veins

Which vessel supplies the abdominal wall and organs?

descending abdominal aorta

34.

38.

39.

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