Arteries and Veins

Human blood vessels are

• artries, capillaries, and atria

• ventricles, atria and pulmonary veins

• capillaries, artries, and veins

• veins, artries, and aorta

The thickest and strongest blood vessel is the

• vein

• artery

• capillary

• both veins and capillaries

The blood vessel that has the largest diameter is

• vein

• artery

• capillary

The blood vessel that has valves at intervals...

• capillary

• artery

• vein

• none of the above

Which of the following is true regarding veins?

• Veins carry blood away from the heart, while arteries carry blood to the heart.

• Veins have smaller-diameter lumens compared to arteries.

• Veins have valves; arteries do not.

• Veins are more muscular than arteries.

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Which type of blood vessel has valves to prevent backflow of blood?

• Arteries

• Veins

• Capillaries

• Arterioles

Largest artery of the body.

• Intercostal arteries

• Bronchial arteries

• Aorta

• Abdominal aorta

Valves in veins

• support them

• protect them

• prevent the backward movement inside them

• provide them elesticity

which of the blood vessels do you think have greatest blood pressure

• veins

• capillaries

• atria

• arteries

Carry blood away from heart; mostly oxygen-rich

• Arteries

• Veins

• Capillaries