External Respiration Process Trivia Quiz

34 Questions | Total Attempts: 181

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Cellular Respiration Quizzes & Trivia

Breathing is the sure sign of someone being alive, all human and plants breathe in order for them to grow and carry out their intended purposes. Respiration takes place in different ways for humans and plant. Give the test below a try and see what you know about external respiration. All the best!


Questions and Answers
  • 1. 
    External respiration is the process of exchanging oxygen and carbon dixide in the lungs.
    • A. 

      True

    • B. 

      False

  • 2. 
    External respiration is the movement of air into and out of the lungs.
    • A. 

      True

    • B. 

      False

  • 3. 
    The movement of air in to and out of the lungs is called ventilation.
    • A. 

      True

    • B. 

      False

  • 4. 
    The exchange of oxygen and carbon dioxide within the hemoglobin of the red blood cells is internal respiration.
    • A. 

      True

    • B. 

      False

  • 5. 
    Internal respiration is the exchange of oxygen and oxyhemoglobin in the blood.
    • A. 

      True

    • B. 

      False

  • 6. 
    Smoker's cough results mostly from loss of cilia.
    • A. 

      True

    • B. 

      False

  • 7. 
    When a person hyperventilates, the level of carbon dioxide in the person's blood will
    • A. 

      Increase

    • B. 

      Decrease

    • C. 

      Not change

    • D. 

      Vary

  • 8. 
    Normally ,when blood levels of carbon dioxide rise, the respirations
    • A. 

      Increase

    • B. 

      Decrease

    • C. 

      Remain the same

    • D. 

      Vary

  • 9. 
    Cilia are
    • A. 

      Mucus-secreting cells in the lower bronchial tree.

    • B. 

      Tiny structures in the airways that trap and hold foreing material.

    • C. 

      Tiny hair-like structures in the airways that sweep mucus up and out of the lungs.

    • D. 

      Composed of macrophages and destroy inhaled pathogen.

  • 10. 
    The ____ line(s) the nasal cavity and help remove pathogens.
    • A. 

      Pharynx

    • B. 

      Nasal septum

    • C. 

      Nasal conchae

    • D. 

      Cilia

  • 11. 
    The nasal cavity is divided by the
    • A. 

      Larynx

    • B. 

      Nasal septum

    • C. 

      Nasal conchae

    • D. 

      Cilia

  • 12. 
    Which of the fallowing allow the lungs to move freely inthe thorax due to the secretoin of a serous fluid?
    • A. 

      Bronchioles

    • B. 

      Alveoli

    • C. 

      Pleura

    • D. 

      Glottis

  • 13. 
    The ___ are the part of the respiration tree to which the alveoli are attached.
    • A. 

      Bronchioles

    • B. 

      Alveoli

    • C. 

      Pleura

    • D. 

      Epiglottis

  • 14. 
    The ___ is the opening between the vocal cords.
    • A. 

      Bronchus

    • B. 

      Nasal cavity

    • C. 

      Glottis

    • D. 

      Epiglottis

  • 15. 
    Which of the following prevents food from enterring the airway during swallowing?
    • A. 

      Alveoli

    • B. 

      Pleura

    • C. 

      Glottis

    • D. 

      Epiglottis

  • 16. 
    Which of the following does not occur when air enters the lungs?
    • A. 

      Thoracic pressure decreases.

    • B. 

      The diaphragm contracts.

    • C. 

      The diaphragm relaxes.

    • D. 

      The intercostal muscles raise the ribs.

  • 17. 
    Which of these occurs when air leaves the lungs?
    • A. 

      Air pressure in the lungs is higher than atmospheric pressure, and the diaphragm relaxes.

    • B. 

      Thoracic pressure decreases.

    • C. 

      The diaphragm contracts, enlarging the thoracic cavity.

    • D. 

      The intercostal muscles raise the ribs.

  • 18. 
    Which of the following does not affect the respiratory rate?
    • A. 

      Pons

    • B. 

      Carbon dioxide in the blood

    • C. 

      Medulla oblongata

    • D. 

      PH of the blood

  • 19. 
    Which of the following is the sum of tidal volume, inspiratory volume?
    • A. 

      Expiratory reserve volume

    • B. 

      Residual volume

    • C. 

      Vital capacity

    • D. 

      Total lung capacity

  • 20. 
    The ____ is the amount of air forcefully exhaled after a normal exhalation.
    • A. 

      Tidal volume

    • B. 

      Inspiratory reserve volume

    • C. 

      Expiratory reserve volume

    • D. 

      Residual volume

  • 21. 
    The amount of air that moves in or out of the lungs during a normal breath is the
    • A. 

      Tidal volume.

    • B. 

      Inspiratory reserve volume.

    • C. 

      Expiratory reserve volume.

    • D. 

      Residual volume.

  • 22. 
    Which of these is the amount of air in the lungs after a forceful exhalation?
    • A. 

      Expiratory reserve volume

    • B. 

      Residual volume

    • C. 

      Vital capacity

    • D. 

      Total lung capacity

  • 23. 
    The ___ is the total amount of air that the lungs can hold.
    • A. 

      Expiratory reserve volume

    • B. 

      Residual volume

    • C. 

      Expiratory reserve volume.

    • D. 

      Total lung capacity

  • 24. 
    Which of the following is cause by a virus and last 7-10 days?
    • A. 

      COPD

    • B. 

      Influenza

    • C. 

      Legionnaire's disease

    • D. 

      Pleurisy

  • 25. 
    In ___, inflammation causes obstruction of the bronchial tree.
    • A. 

      Asthma

    • B. 

      Bronchitis

    • C. 

      Pleurisy

    • D. 

      Pneumonia

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