How Well You Know About Hemodynamics? Quiz

10 Questions | Total Attempts: 1193

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How Well You Know About Hemodynamics? Quiz

How well do you know about hemodynamics? Do you imagine you will be able to win this quiz? As far as this quiz goes, you should know what the portion of the circulatory system with the largest cross-sectional area is, what vasoconstriction is. What is the linear velocity of blood at the average cardiac output in the aorta, and how arterioles and capillaries differ. Learn more about hemodynamics by taking this quiz. All the best.


Questions and Answers
  • 1. 
    Blood flow is regulated largely by local metabolic effects in:
    • A. 

      Muscle

    • B. 

      Skin

    • C. 

      Brain

    • D. 

      Kidney

  • 2. 
    The portion of the circulatory system with the largest cross-sectional area:
    • A. 

      Capillaries

    • B. 

      Arterioles

    • C. 

      Large Arteries

    • D. 

      Large Veins

  • 3. 
    Vasoconstriction is elicited by all of the following except:
    • A. 

      Carotid artery occlusion

    • B. 

      Haemorrhage

    • C. 

      Lying down

    • D. 

      Asphyxia

  • 4. 
    The linear velocity of blood at the normal cardiac output in the aorta.
    • A. 

      32 cm/s

    • B. 

      64 cm/s

    • C. 

      8 cm/s

    • D. 

      50 cm/s

  • 5. 
    Laminar flow will occur in conditions in which Reynold’s number.
    • A. 

      More than 3000

    • B. 

      Less than 3000

    • C. 

      Less than 2000

    • D. 

      More than 2000

  • 6. 
    The following facts about arteriole are true except
    • A. 

      They have thick muscular walls

    • B. 

      They have rich sympathetic innervation

    • C. 

      They have smallest internal diameter

    • D. 

      The pressure drop is greatest than that across any other vessel

  • 7. 
    Arterioles and capillaries differ as follows
    • A. 

      Arterioles have no adventitia

    • B. 

      Capillaries have no muscle coat

    • C. 

      Capillaries have no intimal layer

    • D. 

      Only difference is diameter of lumen

    • E. 

      None of the above

  • 8. 
    The murmurs in the circulation are characterictically heard
    • A. 

      In the conditions where the viscosity of blood increases

    • B. 

      In all situations where there is turbulence

    • C. 

      When flow passes suddenly from a narrower to wider vessel

    • D. 

      When blood enters the parent vessel

  • 9. 
    Windkessel effect is seen in
    • A. 

      Aorta

    • B. 

      Capillaries

    • C. 

      Arterioles

    • D. 

      Left ventricular musculature

  • 10. 
    Velocity of blood flow is inversely proportional to
    • A. 

      Viscocity

    • B. 

      Blood flow volume

    • C. 

      Cross sectional area

    • D. 

      Length

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