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    the aorta receives the full force of blood exiting the heart during ventricular systole. which of the following statements best describes the adaptive anatomy of the aorta?

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    The aorta receives full force of blood exiting the heart during ventricular systole. Which of the following statements best describes the adaptive anatomy of the aorta? a. Smooth muscle is relatively thin in the aorta to increase lumen size and systemic b

    Answer to: The aorta receives full force of blood exiting the heart during ventricular systole. Which of the following statements best describes...

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    Question:

    The aorta receives full force of blood exiting the heart during ventricular systole. Which of the following statements best describes the adaptive anatomy of the aorta?

    a. Smooth muscle is relatively thin in the aorta to increase lumen size and systemic blood flow.

    b. Elastic fibers are extensive in the tunica media of the aorta and dampen the pulse pressure generated by the heart.

    c. The aorta's tunica media is thick with dense regular connective tissue to whist and the blood's pressure.

    d. The tunica external of the aorta is nearly absent compared to other vessels.

    The Aorta:

    The aorta represents the largest artery in the body and is located directly outside of the heart where blood from the left ventricle is pumped into upon heart contraction. The aorta branches into several smaller arteries that ascend and descend to service the body with oxygenated blood.

    Answer and Explanation:

    The adaptive anatomical feature of the aorta is best represented by answer choice B. Elastic fibers are extensive in the tunica media of the aorta and dampen the pulse pressure generated by the heart. The elastic fibers accommodate the stretching and expansion of the aorta which helps alleviate high pulse pressures that could negatively effect blood pressure and arterial linings.

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    Major Blood Vessels That Carry Blood Away From the Heart

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    Chapter 36 / Lesson 24

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    Discover how blood is carried away from the heart, and learn which blood vessels carry blood to and from the heart. Understand the difference between arteries, veins, and vessels.

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    The aorta receives the full force of blood exiting the heart during ventricular systole. Which of the following statements best describes the adaptive anatomy of the aorta?

    Click card to see definition 👆

    Elastic fibers are extensive in the tunica media of the aorta and dampen the pulse pressure generated by the heart.

    Click again to see term 👆

    The pulse pressure is ________.

    Click card to see definition 👆

    systolic pressure minus diastolic pressure

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    1/18 Created by nesia_carter

    Textbook solutions for this set

    Essentials of Human Anatomy and Physiology

    12th Edition

    Elaine N. Marieb, Suzanne M. Keller

    642 explanations

    Essentials of Human Anatomy and Physiology

    8th Edition Elaine N. Marieb 648 explanations

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    Terms in this set (18)

    The aorta receives the full force of blood exiting the heart during ventricular systole. Which of the following statements best describes the adaptive anatomy of the aorta?

    Elastic fibers are extensive in the tunica media of the aorta and dampen the pulse pressure generated by the heart.

    The pulse pressure is ________.

    systolic pressure minus diastolic pressure

    Which vessels carry blood toward the heart?

    veins

    Which type of vessel is most suited to expanding and recoiling in response to the ejection of blood from the heart?

    elastic artery

    Which of the following signs of hypovolemic shock is a relatively late sign?

    rapidly falling blood pressure

    Which statement best describes arteries?

    All carry blood away from the heart.

    Factors that aid venous return include all except ________.

    urinary output

    Permitting the exchange of nutrients and gases between the blood and tissue cells is the primary function of ________.

    capillaries

    Which of these features is found only in arteries?

    elastic membranes

    The most permeable capillaries, which contain fenestrations and large intercellular clefts, are __________.

    sinusoid capillaries

    Which layer of the typical vessel can be regulated to constrict or dilate the lumen?

    tunica media

    Which tunic of an artery is most responsible for maintaining blood pressure and continuous blood circulation?

    tunica media

    Which of the choices below explains why the arterioles are known as resistance vessels?

    The contraction and relaxation of the smooth muscle in their walls can change their diameter.

    A patient with essential hypertension might have pressures of 200/120 mm Hg. This hypertensive state could result in all of the following changes except ________.

    decreased size of the heart muscle

    Which of the following is the most significant source of blood flow resistance?

    blood vessel diameter

    Which layer of the typical blood vessel is constructed from simple squamous epithelium?

    tunica intima

    What type of vessel is capable of allowing the passage of gases and nutrients though its walls to nourish surrounding tissue?

    capillaries

    Which of the following is true about veins?

    Veins have valves; arteries do not.

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