Circulatory System II Overview
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Questions and Answers

What is the first major artery that branches off the aortic arch?

  • Left common carotid artery
  • Descending aorta
  • Brachiocephalic trunk (correct)
  • Left subclavian artery
  • Which artery directly supplies the brain with blood?

  • Brachial artery
  • Internal carotid artery (correct)
  • Common carotid artery
  • External carotid artery
  • What is the term for the division of the aorta into its two terminal branches?

  • Aortic arch
  • Subclavian transition
  • Thoracic aorta
  • Bifurcatio aorta (correct)
  • Which artery continues as the femoral artery after the external iliac artery?

    <p>External iliac artery</p> Signup and view all the answers

    What do the right and left brachiocephalica veins form when they fuse?

    <p>Superior vena cava</p> Signup and view all the answers

    At which vertebral level does the aorta terminate by giving its terminal branches?

    <p>L4</p> Signup and view all the answers

    Which artery is responsible for supplying the structures in the head and neck except the brain?

    <p>External carotid artery</p> Signup and view all the answers

    Which artery branches off into anterior and posterior arteries behind the knee?

    <p>Popliteal artery</p> Signup and view all the answers

    Study Notes

    Circulatory System II

    • Venules have the lowest pressure.
    • Capillaries are essential for gas exchange.

    Great Vessels

    • The aorta originates from the left ventricle.
    • The aorta initially ascends, then curves downward and further descends.
    • The aorta is divided into segments called the ascending aorta, aortic arch, and descending aorta, based on anatomical location.
    • The descending aorta divides into thoracic and abdominal portions.
    • The location and shape of these portions is based on their relationship to the ribs, and spine.

    Aortic Arch

    • The aortic arch curves to the left.
    • The brachiocephalic trunk, left common carotid artery, and left subclavian artery originate from the aortic arch.
    • These arteries then supply blood to the upper body.

    Arteries of the Upper Extremities

    • The subclavian artery supplies blood to the upper extremity.
    • The subclavian artery becomes the axillary artery.
    • The axillary artery transitions into the brachial artery.
    • The brachial artery then branches into the radial and ulnar arteries.
    • These supply blood to the hand.

    Arterial Branches for the Upper Limbs

    • Arteries that branch off the aortic arch supply the head and upper body.
    • The brachiocephalic trunk branches into the right common carotid and right subclavian arteries.

    Branches of the Aorta

    • The aortic arch supplies the upper body
    • The subclavian artery, once the artery moves into the upper limbs and is then referred to as the axillary artery.
    • The brachial artery branch into the radial and ulnar arteries for hand.

    Terminations of the Aorta

    • The aorta ends by branching into the common iliac arteries.
    • The common iliac arteries split into the internal and external iliac arteries.

    Lower Limb Arteries

    • The femoral artery travels down the thigh and becomes the popliteal artery at the knee.
    • The popliteal artery branches into anterior and posterior tibial arteries and fibular artery.
    • These arteries further branch to supply blood to the feet.

    Lower Limb Veins

    • Superficial veins include the great and small saphenous veins.
    • Deep veins include the posterior tibial, anterior tibial, and fibular veins draining into the popliteal vein.
    • The popliteal vein connects to the femoral vein.

    Intravenous Injections

    • Safety considerations for venipuncture
    • Proper injection angles
    • Anatomical locations of veins for venipuncture.

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    Description

    This quiz covers essential aspects of the circulatory system, focusing on the structure and function of the great vessels, including the aorta and its branches. Participants will test their knowledge on the anatomy and physiological significance of blood vessels and gas exchange processes.

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