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Respiratory System Quiz - Level 3

20 Questions
Respiratory System Quizzes & Trivia
Questions and Answers
  • 1. 
    Which part of the respiratory system humidifies air?
    • A. 

      Mouth

    • B. 

      Mucous

    • C. 

      Cilia

    • D. 

      Sinuses

  • 2. 
    The function of the respiratory system is to inhale carbon dioxide?
    • A. 

      True

    • B. 

      False

  • 3. 
    • A. 

      Larynx

    • B. 

      Pharynx

    • C. 

      Trachea

    • D. 

      Bronchi

  • 4. 
    Which lung has less lobes and is therefore smaller?
    • A. 

      Right

    • B. 

      Left

  • 5. 
    Where can the pulmonary capillary network be found?
    • A. 

      Trachea

    • B. 

      Lobes

    • C. 

      Bronchioles

    • D. 

      Surrounding the alveoli

  • 6. 
    How much oxygen is inhaled ?
    • A. 

      16%

    • B. 

      26%

    • C. 

      23%

    • D. 

      21%

  • 7. 
    Though which blood vessel does blood leave the heart and go to the lungs?
    • A. 

      Pulmonary artery

    • B. 

      Pulmonary vein

    • C. 

      Pulmonary capillaries

    • D. 

      Aorta

  • 8. 
    What type of cartilage is found at the top of the sternum?
    • A. 

      Apples

    • B. 

      Cricoid

    • C. 

      Hyaline

    • D. 

      White fibrous

  • 9. 
    Which type of blood cell carries oxygen from the lungs around the body?
    • A. 

      Leucocyte

    • B. 

      Erythrocyte

    • C. 

      Thrombocyte

  • 10. 
    How much carbon dioxide is inhaled?
    • A. 

      0.04%

    • B. 

      4.5%

    • C. 

      0.1%

    • D. 

      5%

  • 11. 
    Which pathology is caused by a chronic or acute inflammation of the bronchial tubes?
    • A. 

      Asthma

    • B. 

      Bronchitis

    • C. 

      Emphysema

    • D. 

      Hay fever

  • 12. 
    Another name for the throat is :
    • A. 

      Larynx

    • B. 

      Pharynx

    • C. 

      Epiglottis

    • D. 

      Trachea

  • 13. 
    The trachea is made up mainly of:
    • A. 

      Spongy tissue

    • B. 

      Mucous membrane

    • C. 

      Cartilage

    • D. 

      Cilia

  • 14. 
    During gas exchange, oxygen and carbon dioxide diffusion occurs in the:
    • A. 

      Red blood cells

    • B. 

      Venules

    • C. 

      Body tissues

    • D. 

      Alveoli

  • 15. 
    When oxygen passes through the bloodstream, it binds with haemoglobin to form:
    • A. 

      Red blood cells

    • B. 

      Carbon dioxide

    • C. 

      Nitrogen

    • D. 

      Oxyhaemoglobin

  • 16. 
    Which pathology is the inflammation of the mucous membrane of the nose, causing a blocked, stuffed and runny nose?
    • A. 

      Hayfever

    • B. 

      Sinusitis

    • C. 

      Whooping cough

    • D. 

      Rhinitis

  • 17. 
    Which pathology is caused by a bacteria, resulting in the alveoli becoming filled with inflammatory cells and becoming solid?
    • A. 

      Pleurisy

    • B. 

      Sinusitis

    • C. 

      Pneumonia

    • D. 

      Pneumonia

  • 18. 
    One of the functions of the pleural membrane is to reduce friction between the lungs and the ribcage
    • A. 

      True

    • B. 

      False

  • 19. 
    During which part of respiration do the diaphragm & intercostal muscles relax?
    • A. 

      Inhalation

    • B. 

      Exhalation

  • 20. 
    During which stage of respiration does the pressure of the thorax decrease, resulting in greater pressure outside of the body?
    • A. 

      Inhalation

    • B. 

      Exhalation

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