Quiz: Respiratory System Questions! Test

14 Questions | Total Attempts: 82

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Respiratory System Quizzes & Trivia

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Questions and Answers
  • 1. 
    Which body system does the respiratory system work closely with to ensure a continuous supply of oxygen to all cells?
    • A. 

      Cardiovascular

    • B. 

      Endocrine

    • C. 

      Lymphatic

    • D. 

      Urinary

  • 2. 
    What is the correct term to describe the process of breathing?
    • A. 

      Internal respiration

    • B. 

      Oxidation

    • C. 

      Cellular Respiration

    • D. 

      Ventilation

  • 3. 
    When does the blood gain oxygen and lose carbon dioxide?
    • A. 

      During pulmonary ventilation

    • B. 

      During external respiration

    • C. 

      During internal respiration

    • D. 

      During oxidation

  • 4. 
    Which of the following structures is a short passageway made up of several pieces of cartilage and containing the vocal cords?
    • A. 

      Pharynx

    • B. 

      Larynx

    • C. 

      Trachea

    • D. 

      Bronchiole

  • 5. 
    What is the function of the trachea?
    • A. 

      Routes air and food into the correct passageway

    • B. 

      Produces sound

    • C. 

      Acts as a passageway for air, food and drink

    • D. 

      Transports air

  • 6. 
    Which of the following lists in the correct order structures air passes through in the lungs?
    • A. 

      Bronchi, bronchioles, alveoli, pleura

    • B. 

      Trachea, bronchi, alveoli, bronchioles

    • C. 

      Bronchioles, alveoli, primary bronchi, secondary bronchi

    • D. 

      Trachea, bronchi, bronchioles, alveoli

  • 7. 
    What is the name of the membranes covering the lungs?
    • A. 

      Peritoneum

    • B. 

      Pericardium

    • C. 

      Pleura

    • D. 

      Diaphragm

  • 8. 
    Where does a gaseous exchange take place between the lungs and the blood?
    • A. 

      At the pleura

    • B. 

      At the mediastinum

    • C. 

      At the alveoli

    • D. 

      At the bronchi

  • 9. 
    When does inhalation occur?
    • A. 

      When pressure in the lungs is lower than pressure outside the lungs

    • B. 

      When pressure in the lungs is higher than pressure outside the lungs

    • C. 

      When pressure in the lungs is equal to the pressure outside the lungs

    • D. 

      When there is no pressure in the lungs

  • 10. 
    During external respiration how does the exchange of gases take place?
    • A. 

      By simple diffusion

    • B. 

      By osmosis

    • C. 

      By facilitated diffusion

    • D. 

      By active transport

  • 11. 
    What is the main function of the respiratory membrane?
    • A. 

      It protects the lungs

    • B. 

      It is the site of gas exchange

    • C. 

      It lubricates and moistens the lungs

    • D. 

      It assists in breathing

  • 12. 
    Which of the following is a major waste product of cellular respiration?
    • A. 

      ATP

    • B. 

      Nitrogen

    • C. 

      Oxygen

    • D. 

      Carbon dioxide

  • 13. 
    During exhalation what does the diaphragm do?
    • A. 

      It contracts and moves up

    • B. 

      It contracts and moves down

    • C. 

      It relaxes and moves up

    • D. 

      It relaxes and moves down

  • 14. 
    How is oxygen transported in the blood?
    • A. 

      In solution in the plasma

    • B. 

      As bicarbonate ions in red cells

    • C. 

      Attached to haemoglobin in red cells

    • D. 

      Attached to haemoglobin in white cells