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Blood Vessels Overview

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Questions and Answers

Which type of capillary is found in areas involved in active filtration or absorption?

Sinusoidal capillary

Continuous capillary

Muscular artery

Fenestrated capillary (correct)

Which type of artery has the thickest tunica media with more smooth muscle?

Muscular artery (correct)

Arteriole

Venuole

Elastic artery

What is the main function of arterioles in the cardiovascular system?

Act as pressure reservoirs

Generate new vessels

Control resistance to blood flow (correct)

Deliver blood to specific body organs

Which type of blood vessel leads to capillary beds?

Arteriole Signup and view all the answers

In which body tissues do you NOT find direct nutrient supply from capillaries?

Liver Signup and view all the answers

What is a unique feature of continuous capillaries found in the brain?

Form a blood-brain barrier Signup and view all the answers

Which blood vessels have three layers surrounding the vessel's lumen, except for capillaries?

Elastic Arteries Signup and view all the answers

Which layer of the blood vessel is responsible for adjusting vessel diameter to control blood flow?

Tunica Media Signup and view all the answers

What is the main function of the elastic fibers in maintaining blood pressure?

Allowing stretching during systole and recoil during diastole Signup and view all the answers

Which type of arteries are thick-walled and located near the heart?

Elastic Arteries Signup and view all the answers

Which part of the blood vessel contains collagen fibers and provides structural support?

Tunica Externa Signup and view all the answers

What is the role of capillaries in the circulatory system?

Facilitating nutrient and gas exchange between blood and tissues Signup and view all the answers