Which of the following is sign of severe airway obstruction ?
Direct Answer
Option D: All of the above
Severe airway obstruction prevents adequate air exchange, manifesting as ineffective or absent coughing, high-pitched inhalation noises (stridor), and wheezing. Per Basic Life Support guidelines, these signs indicate immediate intervention is required to clear the blockage before total asphyxiation occurs.
All Options
Detailed Explanation & Context
Severe airway obstruction prevents adequate air exchange, manifesting as ineffective or absent coughing, high-pitched inhalation noises (stridor), and wheezing. Per Basic Life Support guidelines, these signs indicate immediate intervention is required to clear the blockage before total asphyxiation occurs.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Elementary First Aid (REFA).
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