PATHOLOGY MCQ
BLOOD VESSELS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Arteries have a thick layer of muscle and elastic tissue.Why is this important?One, some or all answers could be correct?
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Prevents arteries from bursting due to high blood pressure
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Smooths out blood flow so it is in pulses
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Helps to force blood back to the heart
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Helps the artery to pick up oxygen
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Explanation:
Detailed explanation-1: -Arteries have thick walls because they need to withstand high pressure generated by the heart. Veins have thin walls because they do not need to withstand as much pressure. Arteries are also narrower than veins, which allows for faster blood flow.
Detailed explanation-2: -Since the blood pumped from the heart into the arteries flows at higher pressure than the blood in veins, hence arteries need to have thicker walls or else the high blood pressure might cause them to burst.
There is 1 question to complete.