Cardiovascular System

70 Questions

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Cardiovascular System


Questions and Answers
  • 1. 
    The circulatory system is divided into?
    • A. 

      2 systems

    • B. 

      1 systems

    • C. 

      3 systems

    • D. 

      4 systems

  • 2. 
    The circulatory system is a open system?
    • A. 

      True

    • B. 

      False

  • 3. 
    The circulatory system is closely linked with the? 
    • A. 

      Respiratory system

    • B. 

      Digestive system

    • C. 

      Nervous system

    • D. 

      Skeletal system

    • E. 

      Urinary system

    • F. 

      Endocrine system

    • G. 

      Reproductive system

  • 4. 
    The circulatory system is made up of?
    • A. 

      The heart

    • B. 

      Blood vessels

    • C. 

      Blood

    • D. 

      Arterioles

    • E. 

      Capillaries

    • F. 

      Veins

    • G. 

      Venules

  • 5. 
    In adults the heart is the size of the owner's open hand?
    • A. 

      True

    • B. 

      False

  • 6. 
    The walls of the heart are composed of three layers. Which one is the inner layer?
    • A. 

      Endocardium

    • B. 

      Myocardium

    • C. 

      Pericardium

  • 7. 
    The walls of the heart are composed of three layers. Which one is the middle layer?
    • A. 

      Myocardium

    • B. 

      Endocardium

    • C. 

      Pericardium

  • 8. 
    The walls of the heart are composed of three layers. Which one is the outer layer?
    • A. 

      Myocardium

    • B. 

      Endocardium

    • C. 

      Pericardium

  • 9. 
    The walls of the heart are composed of three layers. Which one is the outer layer?
    • A. 

      Myocardium

    • B. 

      Endocardium

    • C. 

      Pericardium

  • 10. 
    The myocardium is at its thickest around the?
    • A. 

      Left ventricle

    • B. 

      Right ventricle

    • C. 

      Left atrium

    • D. 

      Right atrium

  • 11. 
    The heart has how many chambers?
    • A. 

      4

    • B. 

      1

    • C. 

      2

    • D. 

      3

  • 12. 
    The two chambers at the top of the heart are called?
    • A. 

      Atria

    • B. 

      Ventricles

  • 13. 
    The left and right side of the heart are divided by a partition called the septum?
    • A. 

      True

    • B. 

      False

  • 14. 
    The atria and ventricles are separated by the?
    • A. 

      Atrioventricular valve

    • B. 

      Tricuspid valve

    • C. 

      Mitral valve

  • 15. 
    The right atrioventricular valve is called?
    • A. 

      Tricuspid valve

    • B. 

      Mitral valve

  • 16. 
    The left atrioventricular valve is called?
    • A. 

      Mitral valve

    • B. 

      Tricuspid valve

  • 17. 
    The natural pace maker of the heart is the?
    • A. 

      SA node

    • B. 

      AV node

  • 18. 
    The signal from the AV node first travels down?
    • A. 

      Bundle of his

    • B. 

      Left bundle

    • C. 

      Right bundle

    • D. 

      Bundle of her

    • E. 

      Purkinje fibres

  • 19. 
    There are 5 types of blood vessels which ones are they?
    • A. 

      Arteries

    • B. 

      Arterioles

    • C. 

      Capillaries

    • D. 

      Venules

    • E. 

      Veins

    • F. 

      Heart

    • G. 

      Blood

  • 20. 
    Which one carry blood away from the heart.
    • A. 

      Arteries

    • B. 

      Veins

  • 21. 
    Which one carries blood to the heart?
    • A. 

      Veins

    • B. 

      Arteries

  • 22. 
    Tachycardia is a heart rate over (?) per minute.
    • A. 

      100

    • B. 

      90

    • C. 

      80

    • D. 

      70

    • E. 

      60

    • F. 

      110

    • G. 

      150

  • 23. 
    Bradycardia is a heart rate less than?
    • A. 

      60 per minute

    • B. 

      70 per minute

    • C. 

      80 per minute

    • D. 

      90 per minute

    • E. 

      100 per minute

  • 24. 
    The coronary arteries returns de-oxygenated blood back to the?
    • A. 

      Right atrium

    • B. 

      Left atrium

  • 25. 
    Which one of the following allows the interchange of gases and transfer of nutrients products?
    • A. 

      Capillaries

    • B. 

      Arteries

    • C. 

      Veins

    • D. 

      Arterioles

    • E. 

      Venules

  • 26. 
    A normal pulse rate of a adult is between?
    • A. 

      60 to 100

    • B. 

      50 to 90

    • C. 

      100 to 150

    • D. 

      40 to 80

  • 27. 
    When blood is forced into the aorta this is called?
    • A. 

      Systolic pressure

    • B. 

      Diastolic pressure

  • 28. 
    A normal adult systolic BP is about?
    • A. 

      120mm Hg

    • B. 

      130mm Hg

    • C. 

      140mm Hg

    • D. 

      80mm Hg

  • 29. 
    Normal adult diastolic pressure is?
    • A. 

      80mm Hg

    • B. 

      120mm Hg

    • C. 

      100mm Hg

    • D. 

      130mm Hg

  • 30. 
    Pulse pressure is worked out by systolic - diastolic?
    • A. 

      True

    • B. 

      False

  • 31. 
    Blood is composed of?
    • A. 

      55% liquid

    • B. 

      45% solids

    • C. 

      45% liquid

    • D. 

      50% liquid

    • E. 

      40% solids

    • F. 

      50% solids

  • 32. 
    Blood consists of?
    • A. 

      Plasma

    • B. 

      Red cells

    • C. 

      White cells

    • D. 

      Platelets

    • E. 

      Water

  • 33. 
    The average blood volume of an adult is?
    • A. 

      5 litres

    • B. 

      1 litre

    • C. 

      2 litres

    • D. 

      3 litres

    • E. 

      4 litres

    • F. 

      6 litres

  • 34. 
    The pH of blood is?
    • A. 

      7.4

    • B. 

      6.9

    • C. 

      7.0

    • D. 

      7.1

    • E. 

      7.2

    • F. 

      7.3

  • 35. 
    Which one fights infections?
    • A. 

      White cells

    • B. 

      Plasma

    • C. 

      Platelets

    • D. 

      Red cells

  • 36. 
    The spleen weighs about?
    • A. 

      200g

    • B. 

      50g

    • C. 

      100g

    • D. 

      150g

    • E. 

      250g

  • 37. 
    The function of the spleen is to?
    • A. 

      Create white blood cells

    • B. 

      Store red blood cells

    • C. 

      Destory old red blood cells

    • D. 

      Create red blood cells

    • E. 

      Store white blood cells

    • F. 

      Destory old white blood cells

  • 38. 
    The lymphatic system works in conjunction with the?
    • A. 

      Circulatory system

    • B. 

      Respiratory system

    • C. 

      Digestive system

    • D. 

      Urinary system

    • E. 

      Nervous system

    • F. 

      Reproductive system

    • G. 

      Musculoskeletal system

  • 39. 
    The heart weighs about?
    • A. 

      250 to 300g

    • B. 

      50 to 100g

    • C. 

      150 to 200g

    • D. 

      200 to 225g

  • 40. 
    How many litres of blood can the heart pump around the body in a day?
    • A. 

      7000 to 9000

    • B. 

      3000 to 4000

    • C. 

      1000 to 2000

    • D. 

      3000 to 6000

  • 41. 
    The fibrous sac surrounding the heart is called? 
    • A. 

      Pericardium

    • B. 

      Endocardium

    • C. 

      Myocardium

  • 42. 
    The right side of the heart works under higher pressure than the left?
    • A. 

      True

    • B. 

      False

  • 43. 
    The left atrium fills passively with blood under the influence of venous pressure?
    • A. 

      True

    • B. 

      False

  • 44. 
    The atria normally contact together at the same time?
    • A. 

      True

    • B. 

      False

  • 45. 
    What percentage of blood flows from the atria to the ventricles passively via gravity?
    • A. 

      80%

    • B. 

      50%

    • C. 

      10%

    • D. 

      20%

    • E. 

      60%

  • 46. 
    The left side of the heart works under high-pressure. The initial 's direction of the cardiac myocytes prior to contraction is known as preload?
    • A. 

      True

    • B. 

      False

  • 47. 
    Cardiac output is the amount of blood that is pumped out by either ventricle?
    • A. 

      True

    • B. 

      False

  • 48. 
    Normal cardiac output for an average adult is between?
    • A. 

      5 to 6 liters per minute

    • B. 

      1 to 2 liters per minute

    • C. 

      3 to 4 liters per minute

    • D. 

      4 to 5 liters per minute

  • 49. 
    Stroke volume is the amount of blood pumped by either ventricle in a single contraction?
    • A. 

      True

    • B. 

      False

  • 50. 
    Normal stroke volume is around?
    • A. 

      60 to 100 ml

    • B. 

      10 to 20 ml

    • C. 

      30 to 40 ml

    • D. 

      50 to 60 ml

  • 51. 
    What percentage of blood leaves the heart via the left ventricle each time it contracts?
    • A. 

      55 to 70%

    • B. 

      100%

    • C. 

      90%

    • D. 

      80 to 90%

  • 52. 
    Any cell with in the heart can act as a pacemaker?
    • A. 

      True

    • B. 

      False

  • 53. 
    The sinoatrial node receives blood from the?
    • A. 

      RCA

    • B. 

      LCA

  • 54. 
    Electrical impulses from the SA node spread across the internodal pathways including the Bachman bundle in about?
    • A. 

      0.08 seconds

    • B. 

      0.80 seconds

    • C. 

      0.12 seconds

    • D. 

      0.20 seconds

  • 55. 
    How long does it take for electrical impulses to spread across the ventricles?
    • A. 

      0.08 seconds

    • B. 

      0.10 seconds

    • C. 

      0.12 seconds

    • D. 

      0.05 seconds

  • 56. 
    If you see a pulse rate below 60 you should suspect injury to be SA node?
    • A. 

      True

    • B. 

      False

  • 57. 
    If the SA node is damaged the AV junction will begin to fire at its own rate of?
    • A. 

      40 to 60 beats per minute

    • B. 

      60 to 100 beats per minute

    • C. 

      20 to 40 beats per minute

  • 58. 
    If both the SA and AV node fail to fire the purkinje fibres will fire at a rate of?
    • A. 

      40 to 60 beats per minute

    • B. 

      60 to 100 beats per minute

    • C. 

      20 to 40 beats per minute

  • 59. 
    The walls of the heart are composed of three layers. Which one is the A pointing to?
    • A. 

      Endocardium

    • B. 

      Myocardium

    • C. 

      Pericardium

  • 60. 
    The walls of the heart are composed of three layers. Which one is the B pointing to?
    • A. 

      Endocardium

    • B. 

      Myocardium

    • C. 

      Pericardium

  • 61. 
    The walls of the heart are composed of three layers. Which one is the C pointing to?
    • A. 

      Endocardium

    • B. 

      Myocardium

    • C. 

      Pericardium

  • 62. 
    A is pointing to?
    • A. 

      Arteries

    • B. 

      Arterioles

    • C. 

      Capillaries

    • D. 

      Venules

    • E. 

      Veins

    • F. 

      Tissue cells

  • 63. 
    B is pointing to?
    • A. 

      Arteries

    • B. 

      Arterioles

    • C. 

      Capillaries

    • D. 

      Venules

    • E. 

      Veins

    • F. 

      Tissue cells

  • 64. 
    C is pointing to?
    • A. 

      Arteries

    • B. 

      Arterioles

    • C. 

      Capillaries

    • D. 

      Venules

    • E. 

      Veins

    • F. 

      Tissue cells

  • 65. 
    D is pointing to?
    • A. 

      Arteries

    • B. 

      Arterioles

    • C. 

      Capillaries

    • D. 

      Venules

    • E. 

      Veins

    • F. 

      Tissue cells

  • 66. 
    E is pointing to?
    • A. 

      Arteries

    • B. 

      Arterioles

    • C. 

      Capillaries

    • D. 

      Venules

    • E. 

      Veins

    • F. 

      Tissue cells

  • 67. 
    F is pointing to?
    • A. 

      Arteries

    • B. 

      Arterioles

    • C. 

      Capillaries

    • D. 

      Venules

    • E. 

      Veins

    • F. 

      Tissue cells

  • 68. 
    Electrical impulses from the SA node spread right to left atrium?
    • A. 

      True

    • B. 

      False

  • 69. 
    Platelets have a life span of?
    • A. 

      5 to 9 days

    • B. 

      10 to 20 days

    • C. 

      1 to 3 days

    • D. 

      80 to 120 days

  • 70. 
    Question from: Tortora Principles of Anatomy and Physiology 12 editionQ: Blood temperature is?
    • A. 

      38c

    • B. 

      100c

    • C. 

      36.9c

    • D. 

      35.4c