Monday, October 10, 2016

Airway In An Infant Compared to Adult/Older child.



Which of the following statements best describes the anatomical and physiological differences between the airways of an infant and that of an adult or older child. Select one answer:

In an infant the airway :

A. Has an anterior larynx and this is where the airway is narrowest.
B. Is maximally opened with the head fully extended, as the head is relatively large.
C.Is more more to laryngospasm.
D. The epiglottis is relatively short and stiff.
E. The tongue and soft tissues of the pharynx are relatively small and compressible.

Correct Answer is


C (Is more more to laryngospasm.)

Relative anatomical Difference Between infant and older child/adult airway: 

In an infant:

  • Large head, short neck
  • Tongue is large
  • Floor of mouth compressible
  • Teeth (if present) may be loose.
  • Epiglottis large and prominent
  • Larynx anterior.
  • Airway narrowest at the cricoid cartilage rather than the larynx. 
  • More prone to develop laryngospasm 


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