Exercise Physiology Chapter #9 Quiz

44 Questions

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Exercise Quizzes & Trivia

Questions and Answers
  • 1. 
    Arteries and arterioles
    • A. 

      Carry blood toward the heart

    • B. 

      Carry blood away from the heart

  • 2. 
    Veins and Venules
    • A. 

      Exchange O2 and CO2 and nutrients between tissues

    • B. 

      Carry blood away from the heart

    • C. 

      Carry blood to the heart

    • D. 

      All of the above

  • 3. 
    The right side of the heart is the
    • A. 

      Pulmonary circuit

    • B. 

      Systemic circuit

  • 4. 
    The left side of the heart pumps blood
    • A. 

      To the body

    • B. 

      To the lungs

    • C. 

      To the right side of the heart

  • 5. 
    Oxygenated blood returns to the right side of the heart via veins
    • A. 

      True

    • B. 

      False

  • 6. 
    Oxygenated blood returns to the left side of the heart via the pulmonary artery
    • A. 

      True

    • B. 

      False

  • 7. 
    Left side of the heart pumps blood to the body via the aorta
    • A. 

      True

    • B. 

      False

  • 8. 
    Blood flows from the right arrium to the right ventricle via
    • A. 

      Tricuspid value

    • B. 

      Bicuspid value

    • C. 

      Pulmonary semilunar value

    • D. 

      Aorta semilunar value

  • 9. 
    Blood flows to the left artium from the pulmonary vein
    • A. 

      True

    • B. 

      False

  • 10. 
    The left and right side of the heart are divided by
    • A. 

      Epicardium

    • B. 

      Myocardium

    • C. 

      Endocardium

    • D. 

      Septum

    • E. 

      Two of the above

  • 11. 
    The endocardium provides the muscular contraction that eject blood from the heart chambers
    • A. 

      True

    • B. 

      False

  • 12. 
    The protective inner lining of the chambers is the
    • A. 

      Septum

    • B. 

      Epicardium

    • C. 

      Endocardium

    • D. 

      Myocardium

  • 13. 
    The coronary vessels are located in the
    • A. 

      Myocardium

    • B. 

      Septum

    • C. 

      Epicardium

    • D. 

      Endocardium

  • 14. 
    CHR is usually associated with low levels of free radicals
    • A. 

      True

    • B. 

      False

  • 15. 
    The heart muscle receives its blood supply from
    • A. 

      Pulmonary artery

    • B. 

      Pulmonary vein

    • C. 

      Coronary vessels

    • D. 

      Superior vena cava

  • 16. 
    Myocardial Infarction is so called a heart attack
    • A. 

      True

    • B. 

      False

  • 17. 
    Blockage in the coronary vessels results in cardiac muscle damage
    • A. 

      True

    • B. 

      False

  • 18. 
    Exercise improves the function of ATP-sensitive potassium channels
    • A. 

      True

    • B. 

      False

  • 19. 
    Improved ATP-sensitive potassium channels
    • A. 

      Improves antioxidant capacity

    • B. 

      Reduces potassium overload

    • C. 

      Reduces calcium overload

    • D. 

      All of the above

  • 20. 
    Exercise improves the heart's antioxidant capacity
    • A. 

      True

    • B. 

      False

  • 21. 
    Select only the true statements about the heart muscle
    • A. 

      Contracts via the sliding filament theory

    • B. 

      Contains actin and myosin in the myocardium

    • C. 

      It is striated

    • D. 

      It is voluntary

    • E. 

      All are true

  • 22. 
    A source of calcium for the  heart comes from (check all that apply)
    • A. 

      Septum

    • B. 

      Extracelluar Calcium

    • C. 

      Sarcolemma

    • D. 

      Two of tha above

  • 23. 
    Heart muscle needs calcium for contraction
    • A. 

      True

    • B. 

      False

  • 24. 
    Calicum sources for the heart are (check all that apply)
    • A. 

      Sarcolemma

    • B. 

      Sarcoplasmic reticulum

    • C. 

      Extracellular calcium

  • 25. 
    Cardiac muscle is smooth
    • A. 

      True

    • B. 

      False

  • 26. 
    Cardiac muscle is similar to skeletal muscle
    • A. 

      True

    • B. 

      False

  • 27. 
    How is cardiac muscle different then skeletal muscle (check all that apply)
    • A. 

      It is fibers shorter

    • B. 

      Has more mitrochondria then type I

    • C. 

      No fiber type

    • D. 

      Multiple nuclei

    • E. 

      All are true

  • 28. 
    The arrangement of cardiac fibers via intercalated discs is called  a __________
  • 29. 
    Cardiac muscle can repair itself via satellite cells
    • A. 

      True

    • B. 

      False

  • 30. 
    A difference between skeletal muscle and cardiac muscle in calcium storage
    • A. 

      True

    • B. 

      False

  • 31. 
    One cardiac cycle includes one systole and two diastole phases
    • A. 

      True

    • B. 

      False

  • 32. 
    Systole is the
    • A. 

      Relaxation phase

    • B. 

      Contraction phase

  • 33. 
    During diastole the heart
    • A. 

      Fills with blood

    • B. 

      Ejection of blood

    • C. 

      Is in the relaxation phase

    • D. 

      Two above

  • 34. 
    At rest the diastole is longer the systole
    • A. 

      True

    • B. 

      False

  • 35. 
    During exercise the systole is shorter but diastole remains the same
    • A. 

      True

    • B. 

      False

  • 36. 
    The average cardiac cycle takes
    • A. 

      .3 sec

    • B. 

      .5 sec

    • C. 

      .8 sec

    • D. 

      .95 sec

  • 37. 
    The average resting  heart rate is
    • A. 

      65bpm

    • B. 

      75bpm

    • C. 

      85bpm

    • D. 

      92bpm

  • 38. 
    During heavy exercise the cardiac cycle is approx.
    • A. 

      .33 sec

    • B. 

      .5 sec

    • C. 

      .7 sec

    • D. 

      .8 sec

  • 39. 
    During diastole (check all that apply)
    • A. 

      Pressue in the ventricles is low

    • B. 

      Semilunar valves open

    • C. 

      Ventricles fill with blood from the atria when atria pressure exceeds ventricular pressue

  • 40. 
    During systole the pressure  in ventircles rises
    • A. 

      True

    • B. 

      False

  • 41. 
    The first sound of the heart beat is when the AV values close
    • A. 

      True

    • B. 

      False

  • 42. 
    During ventricular contraction the precent blood ejected is
    • A. 

      100%

    • B. 

      80%

    • C. 

      70%

    • D. 

      60%

  • 43. 
    The amount of blood in the right atrium that is moved to the ventricle is
    • A. 

      100%

    • B. 

      70%

    • C. 

      30%

  • 44. 
    All the heart valves are closed during
    • A. 

      Ventricular ejection

    • B. 

      Isovolumetric ventricular contraction

    • C. 

      Ventriclar Filling