Gas Exchange In Humans.

18 Questions | Total Attempts: 35

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Gas Exchange In Humans.

This is a quiz to help you assess your understanding of the mechanisms involved in ventilation / gas exchange.


Questions and Answers
  • 1. 
    Inspiration involves...
    • A. 

      Involves an increase in thoracic volume and a decrease in thoracic pressure

    • B. 

      Involves an increase in thoracic volume and a decrease in thoracic pressure

    • C. 

      Involves a decrease in thoracic volume and an increase in pressure

    • D. 

      Involves an increase in thoracic volume and an increase in thoracic pressure

  • 2. 
    Expiration 
    • A. 

      Involves a decrease in thoracic volume and a decrease in thoracic pressure

    • B. 

      Involves an increase in thoracic volume and a decrease in thoracic pressure

    • C. 

      Involves a decrease in thoracic volume and an increase in pressure

    • D. 

      Involves a decrease in thoracic volume and an increase in thoracic pressure

  • 3. 
    Breathing in is passive - no muscle contraction involved.
    • A. 

      True

    • B. 

      False

  • 4. 
    Breathing in is active - muscle contraction is involved.
    • A. 

      True

    • B. 

      False

  • 5. 
    During inspiration
    • A. 

      The diaphragm relaxes and flattens

    • B. 

      The diaphragm relaxes and assumes a dome shape

    • C. 

      The diaphragm contracts and flattens

    • D. 

      The diaphragm contracts and assumes a dome shape

  • 6. 
    During inspiration
    • A. 

      The diaphragm relaxes and flattens decreasing thoracic volume

    • B. 

      The diaphragm contracts and assumes a dome shape increasing thoracic volume

    • C. 

      The diaphragm contracts and flattens increasing thoracic volume

    • D. 

      The diaphragm relaxes and assumes a dome shape decreasing thoracic volume

  • 7. 
    During expiration
    • A. 

      The diaphragm relaxes and flattens decreasing thoracic volume

    • B. 

      The diaphragm contracts and assumes a dome shape increasing thoracic volume

    • C. 

      The diaphragm contracts and flattens increasing thoracic volume

    • D. 

      The diaphragm relaxes and assumes a dome shape decreasing thoracic volume

  • 8. 
    During inspiration 
    • A. 

      The intercostal muscles contract pulling the rib cage up and out - the diaphragm contracts increasing thoracic volume

    • B. 

      The intercostal muscles relax pulling the rib cage down and in - the diaphragm relaxes decreasing thoracic volume

    • C. 

      The intercostal muscles contract pulling the rib cage up and out - the diaphragm relaxes increasing thoracic volume

    • D. 

      The intercostal muscles contract pulling the rib cage up and out - the diaphragm contracts decreasing thoracic volume

  • 9. 
    During expiration
    • A. 

      The intercostal muscles contract pulling the rib cage up and out - the diaphragm contracts increasing thoracic volume

    • B. 

      The intercostal muscles relax pulling the rib cage down and in - the diaphragm relaxes decreasing thoracic volume

    • C. 

      The intercostal muscles contract pulling the rib cage up and out - the diaphragm relaxes increasing thoracic volume

    • D. 

      The intercostal muscles contract pulling the rib cage up and out - the diaphragm contracts decreasing thoracic volume

  • 10. 
    What is structure g? 
    • A. 

      Right lung

    • B. 

      Diaphragm

    • C. 

      Rib

    • D. 

      Bronchiole

    • E. 

      Abdominal Cavity

    • F. 

      Intercostal Muscle

    • G. 

      Thorax

    • H. 

      Trachea

    • I. 

      Primary Bronchus

  • 11. 
    What is structure C? 
    • A. 

      Right lung

    • B. 

      Diaphragm

    • C. 

      Rib

    • D. 

      Bronchiole

    • E. 

      Abdominal Cavity

    • F. 

      Intercostal Muscle

    • G. 

      Thorax

    • H. 

      Trachea

    • I. 

      Primary Bronchus

  • 12. 
    What is structure f? 
    • A. 

      Right lung

    • B. 

      Diaphragm

    • C. 

      Rib

    • D. 

      Bronchiole

    • E. 

      Abdominal Cavity

    • F. 

      Intercostal Muscle

    • G. 

      Thorax

    • H. 

      Trachea

    • I. 

      Primary Bronchus

  • 13. 
    What is structure j? 
    • A. 

      Right lung

    • B. 

      Diaphragm

    • C. 

      Rib

    • D. 

      Bronchiole

    • E. 

      Abdominal Cavity

    • F. 

      Intercostal Muscle

    • G. 

      Thorax

    • H. 

      Trachea

    • I. 

      Primary Bronchus

  • 14. 
    What is structure a? 
    • A. 

      Right lung

    • B. 

      Diaphragm

    • C. 

      Rib

    • D. 

      Bronchiole

    • E. 

      Abdominal Cavity

    • F. 

      Intercostal Muscle

    • G. 

      Thorax

    • H. 

      Trachea

    • I. 

      Primary Bronchus

  • 15. 
    What is structure i? 
    • A. 

      Thorax

    • B. 

      Trachea

    • C. 

      Primary Bronchus

    • D. 

      Right lung

    • E. 

      Diaphragm

    • F. 

      Rib

    • G. 

      Bronchiole

    • H. 

      Abdominal Cavity

    • I. 

      Intercostal Muscle

  • 16. 
    What is structure b? 
    • A. 

      Thorax

    • B. 

      Trachea

    • C. 

      Primary Bronchus

    • D. 

      Right lung

    • E. 

      Diaphragm

    • F. 

      Rib

    • G. 

      Bronchiole

    • H. 

      Abdominal Cavity

    • I. 

      Intercostal Muscle

  • 17. 
    What is structure h? 
    • A. 

      Thorax

    • B. 

      Trachea

    • C. 

      Primary Bronchus

    • D. 

      Right lung

    • E. 

      Diaphragm

    • F. 

      Rib

    • G. 

      Bronchiole

    • H. 

      Abdominal Cavity

    • I. 

      Intercostal Muscle

  • 18. 
    What is structure e? 
    • A. 

      Thorax

    • B. 

      Trachea

    • C. 

      Primary Bronchus

    • D. 

      Right lung

    • E. 

      Diaphragm

    • F. 

      Rib

    • G. 

      Bronchiole

    • H. 

      Abdominal Cavity

    • I. 

      Intercostal Muscle

    • J. 

      Alveoli