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Arteries have thick elastic layers in their walls; those closest to the heart have thicker layers than the rest. Which of the following statements about this layer is correct?
Learning Objectives. By the end of this section, you will be able to: Compare and contrast the three tunics that make up the walls of most blood vessels. Distinguish between elastic arteries, muscular arteries, and arterioles on the basis of structure, location, and function.
In large arteries, the thick layer of elastic fibers is called the A) tunica intima. B) external elastic membrane. C) tunica media. D) internal elastic membrane. E) tunica externa.
24 Νοε 2022 · The elastic tissue helps to maintain blood pressure in the arteries. It stretches and recoils to even out any fluctuations in pressure. The outer wall, sometimes referred to as the tunica adventitia, or tunica externa. Contains the structural protein collagen.
30 Οκτ 2023 · Learn the blood vessels of the body for your histology exam with the arteries and veins diagrams and blood vessels quizzes from Kenhub. Get started now!
31 Ιαν 2024 · The correct answer is B. This is because elastic arteries do not contain many smooth muscle fibres and are not able to perform vasoconstriction or vasodilation. In contrast, muscular arteries contain much more smooth muscle.
30 Οκτ 2023 · Covering not just major arteries and veins but also the organs and tissues of the cardiovascular system, these quizzes will truly prepare you for your exam. With several different quiz types available, you can test your knowledge from every angle.
