Let's Learn More About Circulatory System Quiz

26 Questions

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The circulatory system is in charge of ensuring blood is able to transport blood, nutrients, oxygen, and hormones from cells and to cells made up of arteries and veins. Any medical practitioner should know about the circulatory system and threats to it. Take the test below and assess your knowledge of the system.


Questions and Answers
  • 1. 
    Describe the difference between a heart attack and a stroke.
  • 2. 
    How exactly does diet & exercise help prevent high blood pressure and heart attacks?
  • 3. 
    Compare/contrast Open and Closed Circulatory Systems
  • 4. 
    Which of the following statements best describes arteries?
    • A. 

      All arteries carry oxygenated blood towards the heart

    • B. 

      All arteries contain valves to prevent the back-flow of blood

    • C. 

      All arteries carry blood away from the heart

    • D. 

      Only large arteries are lined with endothelium

  • 5. 
    The exchange of gases and nutrients between blood and tissues is a major function
    • A. 

      Arterioles

    • B. 

      Arteries

    • C. 

      Capillaries

    • D. 

      Veins

  • 6. 
    Immediately following strenuous and vigorous exercise, which of the following is most likely to occur?
    • A. 

      Blood will be rapidly diverted to the digestive organs

    • B. 

      The skin will be cold and clammy

    • C. 

      Capillaries of the active muscles will be engorged with blood

    • D. 

      Blood flow to the kidneys quickly increases

  • 7. 
    Blood in the pulmonary arteries
    • A. 

      Enters the heart's right ventricle

    • B. 

      Is heading towards the lungs

    • C. 

      Leaves the left ventricle to enter the aorta

    • D. 

      Flows from the lungs towards the heart's left atrium

  • 8. 
    The pulmonary veins
    • A. 

      Carry oxygenated blood away from the heart

    • B. 

      Carry oxygenated blood towards the heart

    • C. 

      Carry deoxygenated blood away from the heart

    • D. 

      Carry deoxygenated blood towards the heart

  • 9. 
    Blood flow to the skin
    • A. 

      Is regulated mainly by a decreasing pH

    • B. 

      Increases when external environmental temperature rises

    • C. 

      Increases when internal body temperature decreases so that the skin does not freeze

    • D. 

      Is not an important source of nutrients and oxygen for skin cells

  • 10. 
    Which of the following statements about the movement of materials at the "systemic" ?capillary level is CORRECT
    • A. 

      Oxygen is actively transported up its concentration gradient

    • B. 

      Waste products such as CO2 follow the same general pathway as O2

    • C. 

      C02 moves from its site of production into the interstitial fluid

  • 11. 
    Which of the following structures are directly involved in the "pulmonary circuit"?
    • A. 

      Superior vena cava, right atrium and left ventricle

    • B. 

      Right ventricle, pulmonary arteries and left atrium

    • C. 

      Left ventricle, aorta and interior vena cava

    • D. 

      Right atrium, aorta and left ventricle

  • 12. 
    A long term hypertensive person, whose BP is 200/120 mmHg, is in risk of developing all of the following changes, EXCEPT:
    • A. 

      Increased workload of the left ventricle

    • B. 

      Increased risk of coronary artery disease

    • C. 

      Increased risk of damage to the blood vessel's endothelium

    • D. 

      Decreased size of the myocardium

  • 13. 
    The lowest venous blood pressure is found within:
    • A. 

      Venules

    • B. 

      Medium-sized veins

    • C. 

      Large-sized veins

    • D. 

      The venae cavae

  • 14. 
    Following a motor vehicle accident, a large loss of blood will initially cause: *think-As blood pressure decreases what will the heart try to do to compensate?
    • A. 

      A lowered BP due to a decreased cardiac output

    • B. 

      A higher BP due to an increased stroke volume

    • C. 

      No change in BP but a slower heart rate

    • D. 

      No change in BP but an increased heart respiration rate

  • 15. 
    The left ventricle's myocardium is thicker than the right ventricle's myocardium in order to:
    • A. 

      Accommodate a greater volume of blood

    • B. 

      Increase the size of the thoracic cavity during diastole

    • C. 

      Contract with a greater pressure

    • D. 

      Force blood through a smaller semilunar valve

  • 16. 
    A thrombus(blood clot) in the first branch off the aortic arch would affect the flow of blood to the:
    • A. 

      Left side of the head and neck, and left upper arm

    • B. 

      Myocardium

    • C. 

      Left upper arm

    • D. 

      Right side of the head and neck, and right upper arm

  • 17. 
    At the Battle of Shiloh during the American Civil War, Confederate General Albert Johnston was killed when he was shot in the back of the knee and rapidly bled to death.  Which blood vessel was most likely to have been injured?
    • A. 

      Femoral artery

    • B. 

      Common iliac artery

    • C. 

      Anterior tibialis artery

    • D. 

      Popliteal artery

  • 18. 
    Which of the following are functions of the blood?
    • A. 

      Transportation

    • B. 

      Regulation

    • C. 

      Protection

    • D. 

      All of the above

  • 19. 
    Erthrocyte is another name for a:
    • A. 

      Red blood cell

    • B. 

      White blood cell

    • C. 

      Platelet

    • D. 

      Plasma

  • 20. 
    Which of the following blood components provide the major defense for our bodes against invading bacteria and viruses?
    • A. 

      Red blood cells(erythrocytes)

    • B. 

      White blood cells(leukocytes)

    • C. 

      Platelets

    • D. 

      Lymph

  • 21. 
    The relatively clear liquid medium which carries the other cells of blood is called
    • A. 

      Lipid

    • B. 

      Antibody

    • C. 

      Plasma

    • D. 

      Lymph

  • 22. 
    Which of the following are likely to increase in quantities when the body is under attack from bacteria?
    • A. 

      Erythrocytes

    • B. 

      Leukocytes

    • C. 

      Thrombocytes

    • D. 

      Stem cells

  • 23. 
    When blood clumps or forms visible islands in the still liquid plasma, it is called
    • A. 

      Clotting

    • B. 

      Agglutination

    • C. 

      Fibrin

    • D. 

      Jamaica

  • 24. 
    Antigens are 
    • A. 

      Found on the surface of red blood cells

    • B. 

      Kinds of red cells that identify a blood type

    • C. 

      Relatively large carbohydrate molecules

    • D. 

      Option 4

  • 25. 
    Most of the volume of normal human blood is composed of
    • A. 

      Red cells

    • B. 

      Hemoglobin

    • C. 

      Plasma

    • D. 

      White cells

  • 26. 
    The major causes of cardiovascular disease are all except:*Check all that apply
    • A. 

      Genetics

    • B. 

      Smoking

    • C. 

      Exercise

    • D. 

      Diet rich in animal fat