Respiratory System Quiz - Skill 1 And Skill 2

5 Questions | Total Attempts: 498

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Respiratory System Quiz - Skill 1 And Skill 2

Read all questions carefully. Always check your answers.


Questions and Answers
  • 1. 
      During exhalation, when the diaphragm relaxes and the volume of the chest cavity decreases, air pressure ________ inside the lungs.
    • A. 

      Decreases, then increases

    • B. 

      Increases

    • C. 

      Is unchanged

    • D. 

      Decreases

  • 2. 
    Although children believe that "holding my breath until I die" is possible, parents know this to not be true because
    • A. 

      As a child holds his or her breath, oxygen levels build, stimulating breathing by the brain stem.

    • B. 

      As a child holds his or her breath, carbon dioxide levels decrease, stimulating breathing by the brain stem

    • C. 

      As a child holds his or her breath, oxygen levels decrease, stimulating breathing by the brain stem

    • D. 

      As a child holds his or her breath, carbon dioxide levels increase, stimulating breathing by the brain stem.

  • 3. 
    In the alveoli and lung capillaries, carbon dioxide and oxygen are exchanged by means of
    • A. 

      Diffusion.

    • B. 

      Active transport

    • C. 

      Osmosis.

    • D. 

      Phagocytosis.

  • 4. 
    As air is inhaled, which of the four following structures is the last to be encountered?  
    • A. 

      Bronchi

    • B. 

      Bronchiole

    • C. 

      Larynx

    • D. 

      Trachea

  • 5. 
    Which picture corresponds to inhalation?
    • A. 

      The left one

    • B. 

      The right one

    • C. 

      Both correspond to inhalition

    • D. 

      None