How do elastic arteries function as? - ProProfs Discuss
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How do elastic arteries function as?



A. Vasodilator
B. Pressure reservoir
C. Vasoconstrictors only
D. Barrier to microcirculation
E. Conduit to the tissues of the trunk only

This question is part of Blood Vessels (Circulatory System)
Asked by Wyatt Williams, Last updated: Aug 04, 2020

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3 Answers

W. Pratt

Want to learn new things and share my knowledge

W. Pratt, Marketing Analyst, MBA, Lincoln

Answered May 01, 2019

The correct answer is option B
Elastic arteries function as pressure reservoir. Elastic arteries are the largest arteries in the body, example of this is the aorta. They are closest to the heart and they are known to have a thick wall with lots of elastic fibers.

The presence of this elastic fiber enables them to expand to allow blood pass through them and recoil after that. This greatly decreases flow resistance and in turn there is minimal increase in pressure.

Elastic arteries are also known as conducting arteries because their large lumen allows them carry large amount of blood from the heart to other branches of the circulating system.

 

John Adney

John Adney

Answered Feb 22, 2017

Pressure reservior
 

John Smith

John Smith

Answered Feb 02, 2017

Pressure reservoir
 

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