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Questions and Answers
Which type of blood vessel has thicker walls than the other type?
Which type of blood vessel has thicker walls than the other type?
- Venules
- Arterioles
- Arteries (correct)
- Veins
What is the characteristic of arterial lumens that helps maintain blood pressure?
What is the characteristic of arterial lumens that helps maintain blood pressure?
- They have thinner walls than venous lumens
- They have larger diameters than venous lumens
- They have smaller diameters than venous lumens (correct)
- They have thicker walls than venous lumens
What gives arterial lumens a more rounded appearance in cross section compared to venous lumens?
What gives arterial lumens a more rounded appearance in cross section compared to venous lumens?
- Their thinner walls
- Blood pressure
- Their thicker walls (correct)
- Their larger diameters
Why do arteries and arterioles have thicker walls than veins and venules?
Why do arteries and arterioles have thicker walls than veins and venules?
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Which type of blood vessel has a smaller lumen?
Which type of blood vessel has a smaller lumen?
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What is the purpose of the lumen in blood vessels?
What is the purpose of the lumen in blood vessels?
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What gives arterial lumens a more rounded appearance in cross section compared to venous lumens?
What gives arterial lumens a more rounded appearance in cross section compared to venous lumens?
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