Structure Of Heart And Circulatory System

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Structure Of Heart And Circulatory System - Quiz


Questions and Answers
  • 1. 
    The heart valves control blood flow from the atria to the ventricles, and ensure blood flows through your heart in the right direction
    • A. 

      True

    • B. 

      False

  • 2. 
    Why are ventricle walls thicker than atria walls?
    • A. 

      Blood is pumped out of the heart at a lower pressure here

    • B. 

      Atria walls are actually thicker

    • C. 

      Blood is pumped out of the heart at greater pressure here

    • D. 

      None of the above

  • 3. 
    Blood is
    • A. 

      55% cells, 45% plasma

    • B. 

      55% plasma, 45% cells

    • C. 

      None of the above

  • 4. 
    An analogy for blood and plasma, is that the blood cells are like the people in a crowded river, and the plasma is the water, carrying the people along
    • A. 

      True

    • B. 

      False

    • C. 

      Maybe

    • D. 

      I don't know

  • 5. 
    Select the 3 types of blood cell within human blood
    • A. 

      Red blood cells

    • B. 

      Bacteria

    • C. 

      Platelets

    • D. 

      White blood cells

    • E. 

      Archaea

  • 6. 
    There are 5,000,000 red blood cells per cubic millimeter of blood
    • A. 

      True

    • B. 

      False

  • 7. 
    Identify some properties of the red blood cell
    • A. 

      Extremely small

    • B. 

      Contains chlorophyll

    • C. 

      Contains hemoglobin

  • 8. 
    Identify properties of hemoglobin found inside the red blood cell
    • A. 

      Iron rich

    • B. 

      Makes blood red

    • C. 

      Carry oxygen from lungs to body

    • D. 

      Carry carbon dioxide from body to lungs to be exhaled

  • 9. 
    How can we tell if a person is suffering from a disease?
    • A. 

      The plasma to blood cell ratio is higher

    • B. 

      The have more platelets

    • C. 

      They have more white blood cells

    • D. 

      They have more red blood cells

  • 10. 
    List some properties of white blood cells
    • A. 

      Larger than red blood cells

    • B. 

      High white blood cell to red blood cell ratio

    • C. 

      Eukaryotic

    • D. 

      Prokaryotic

    • E. 

      Smaller than red blood cells

    • F. 

      Destroy bacteria and fight diseases

    • G. 

      Low white blood cell to red blood cell ratio

  • 11. 
    List some properties of platelets
    • A. 

      Prokaryotic

    • B. 

      Colorless

    • C. 

      Help blood to clot so that cuts can heal

    • D. 

      Fragments of cytoplasm from bone marrow

  • 12. 
    As altitude increases, air becomes ____ compressed and is therefore _______, thus making it ______ to breathe
    • A. 

      More, thinner, harder

    • B. 

      Less, thicker, harder

    • C. 

      Less, thinner, harder

    • D. 

      More, thicker, easier

  • 13. 
    To account for less compressed air, your body will generate ____ blood cells, giving you more hemoglobin and thus more oxygen, by acclimating up to 5500 meters above sea level, your body can generate up to _______ red blood cells per cubic millimeter of blood
    • A. 

      Less, 7,000,000

    • B. 

      More 7,000,000

    • C. 

      Less, 7,500,000

    • D. 

      More, 7,500,000

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