Circulatory System MCQ Exam: Quiz!

10 Questions | Total Attempts: 156

SettingsSettingsSettings
Please wait...
Circulatory System MCQ Exam: Quiz!


Questions and Answers
  • 1. 
    The blood which is returning to the heart from the brain will enter the:
    • A. 

      Left atrium

    • B. 

      Left ventricle

    • C. 

      Right ventricle

    • D. 

      Right atrium

  • 2. 
    Which artery carries de-oxygenated blood?
    • A. 

      Aorta

    • B. 

      Hepatic portal

    • C. 

      Pulmonary

    • D. 

      Carotid

  • 3. 
    Although the heart beats rhythmically, the blood pressure in the arteries does not drop to zero between heartbeats, and the blood is kept in continuous motion. Which of the following best helps to explain these observations?
    • A. 

      The left and the right ventricles contract alternately

    • B. 

      The lymph that is draining into the lymphatic vessels is released steadily into the veins

    • C. 

      The blood expands and contracts with the pressure changes

    • D. 

      The walls of the arteries are elastic

  • 4. 
    Which of the following blood components have the power of amoeboid movement?
    • A. 

      Erythrocytes

    • B. 

      Macrophages

    • C. 

      Platelets

    • D. 

      All of the above

  • 5. 
    Exchange of nutrients and waste material between the blood and the cells occurs through:
    • A. 

      Lymph

    • B. 

      Lymphatic vessels

    • C. 

      Intercellular fluid

    • D. 

      Intracellular fluid

  • 6. 
    A person suffering from a deficiency of red blood cells is unable to carry out prolonged vigorous physical exercise. The main reason for this is that:
    • A. 

      Waste products cannot be removed rapidly enough

    • B. 

      The amount of blood sugar being carried to the body cells would not be sufficient for the energy required

    • C. 

      The concentration of carbon dioxide in the extracellular fluid would become too high

    • D. 

      Insufficient oxygen can be carried by the blood.

  • 7. 
    Which of the following blood proteins are concerned with blood clotting?
    • A. 

      Calcium

    • B. 

      Globulin

    • C. 

      Fibrinogen

    • D. 

      Haemoglobin

  • 8. 
    Which of the following is found in the blood plasma but not in the lymph?
    • A. 

      Amino acids

    • B. 

      Red blood cells

    • C. 

      Glucose

    • D. 

      White blood cells

  • 9. 
    Which of the following are most important in the formation of a blood clot when a blood vessel is damaged?
    • A. 

      Red blood cells, platelets and macrophages

    • B. 

      Damaged cells, platelets, prothombin

    • C. 

      Damaged cells, platelets, red blood cells

    • D. 

      Damaged cells, thrombin, red blood cells

  • 10. 
    Inflammation in the area of a wound, like a tear in the skin, is a useful reaction to damage because:
    • A. 

      It results in more blood flow to the area

    • B. 

      It allows more seepage of the plasma from the capillaries into the surrounding tissue

    • C. 

      It may enable a blood clot to form more readily in the area

    • D. 

      All of the above

Back to Top Back to top