Part 2 of Anatomy & Physiology II -- Exam 2 Study Guide -- Heart and Circulation

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Part 2 of Anatomy & Physiology II -- Exam 2 Study Guide -- Heart and Circulation

  1. 1

    Two way exchange of substances between blood and body tissue cells occurs mostly through:

  2. 2

    The most important single factor in determining vascular resistance is:

  3. 3

    What effect would compressing the vena cava where it enters the right atrium have?

  4. 4

    Which circuit is under the greatest hydrostatic (fluid) pressure?

  5. 5

    Extremely rapid muscle contractions usually do not occur in normal cardiac muscle cells because:

  6. 6

    The blood vessels that collect blood from all tissues and organs regardless of oxygenation level and return it to the heart are:

  7. 7

    Which type of artery is found closest to the heart?

  8. 8

    Which statement does not accurately describe veins?

  9. 9

    Large molecules such as peptides and proteins move into and out of the bloodstream by way of:

  10. 10

    The structure of a capillary wall differs from that of a vein or an artery because:

  11. 11

    Elevated levels of the hormone ANP will produce:

  12. 12

    Baroreceptors in the carotid sinus and aortic arch:

  13. 13

    Blood vessels that supply the walls of the arteries and veins with blood are:

  14. 14

    The cardiac output cannot increase indefinately because:

  15. 15

    Peripheral tissue and vascular resistance:

  16. 16

    Blood is normally transported through the venous system and back to the heart by means of:

  17. 17

    Blood flow in the capillaries is slow & intermittent because:

  18. 18

    The vein that collects most of the venous blood from below the diaphragm is the:

  19. 19

    The chemoreceptors in the carotid and aortic bodies are sensitive to:

  20. 20

    Which of the following tissue is responsible for vascoconstriction of blood vessels?

  21. 21

    The portion of the intrinsic cardiac nodal conduction system flowing through the interventricular spetum is/are the:

  22. 22

    The amount of blood forced (stroke volume) out of the heart during systole depends on:

  23. 23

    Which of the following could lead to decreased venous return of blood to the heart?

  24. 24

    The layer of the arteriole that provides the properties of contractility and elasticity is the:

  25. 25

    Which is/are true about extrinsic stimulation of the heart?

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