Mastering AandP Chpt 22

When Gertie, a 75-year-old woman, visits her cardiologist, which of the following statements is she NOT likely to hear?

"My dear, you've got a greater risk now for developing blood clots in your legs, which could break loose and cause a stroke in your brain."

Which number represents the layer of the blood vessel wall that contains mostly smooth muscle?

2

Which number represents the axillary artery?

4

Which number represents the blood vessel most capable of absorbing high blood pressure?

7

Which of the following correctly lists blood flow from the heart to the leg?

Abdominal aorta, right external iliac, and popliteal

The saphenous vein

All of the listed responses are correct.

The cerebral arterial circle, also known as the circle of Willis, is formed by which of the following arteries?

Anterior communicating, anterior cerebral, posterior communicating, and posterior cerebral

Which of the following statements about capillaries is FALSE?

Both fenestrated capillaries and sinusoids lack the outer basal lamina of the capillary wall.

Which of the following vessels drain directly into the superior vena cava?

Brachiocephalic veins

Which of the following vessels does not supply blood to the large intestine?

Intestinal arteries

When Jan traces the aorta from the heart into the groin area, she finds that it is given multiple names. Why is this?

It allows for accurate descriptions of the location of the vessel at any given point.

Which of the following veins combine to form the hepatic portal vein?

Splenic and superior mesenteric

Which of the following arteries are the three branches of the celiac trunk?

Splenic, common hepatic, and the left gastric

If you were looking at cross-sections of two blood vessels on a microscope slide, what features could you use to distinguish arteries from veins?

The artery wall is thicker, but the lumen is narrower.

Which of the following statements is true?

The farther away the blood vessel is from the heart, the smaller the diameter it has.

Which of the following vessels join to form the basilar artery?

The vertebral arteries

The three branches off of the aortic arch are the

brachiocephalic, left common carotid, left subclavian

The hepatic portal vein

brings nutrient rich blood to the liver.

The stomach receives blood from the

common hepatic artery.

The pulmonary circuit __________.

contains less than 10 percent of the total blood volume at any given time

In places such as the kidneys, where solutes from the blood need to be filtered into the urine, which of the following vessels can be found?

fenestrated capillaries

In comparison to arteries, veins __________.

have smoother endothelia

Blood vessels are usually found in matching left and right sides EXCEPT near the __________.

heart

Michael is a new recruit in the U.S. Army. He is attending boot camp and drills with his fellow troops at marching and standing at attention. Which of the following would NOT help him keep from fainting when standing at attention for long periods of time?

holding his breath and then slowly releasing it

Which of the following is NOT an age-related change that occurs to the cardiovascular system?

increased hematocrit

Oxygenated blood supplies the brain through the __________.

internal carotid artery

Typically blood is drawn from the __________vein, a vessel found in the anterior elbow.

median cubital

The pulmonary veins carry __________.

oxygenated blood to the heart

All of the following are branches off the basilar artery except the

posterior inferior cerebellar.

The lateral vessel in the forearm is the _____ artery and the lateral vessel in the leg is the ____ artery.

radial; fibular

The hepatic portal vein __________.

receives blood from the digestive organs

Suppose an entire cell needed to be removed from circulation. Which type of capillary allows the passage of the largest structures through its wall?

sinusoid

Blood coming from the small intestines travels in the

superior mesenteric vein.

Moving from the aorta to the capillaries, __________.

the diameter of the vessels decreases, whereas the number of vessels increases

Looking at this figure of the heart, it is evident that

the left ventricle has the thickest myocardium of all of the chambers.

If blood flow through the brachiocephalic trunk was interrupted, which area would NOT be affected?

the popliteal area

What is the function of the valves within the veins?

to prevent the backflow of blood away from the heart

The valve found between the right atria and right ventricle is the

tricuspid.

An anatomy student is examining a blood vessel on a microscope slide and sees that there are only two layers to the vessel wall and that there are no smooth muscle cells. The student must be looking at a __________.

venule

Which type of blood vessel lacks a muscular layer?

venules

Most of the blood in the body at any given moment is found in the __________.

venules and medium-sized veins

Which of the following is not a vein found in the arm?

Radial