The correct answer to the question is option C - Inability to speak
In complete airway block, the child will be unable to speak, cough, or breathe. This type of airway obstruction is caused by the ingestion of foreign body (as in this case), presence of a tumor, and neuromuscular diseases.
Gagging, coughing, and rapid breathing are more associated with incomplete airway block. In incomplete airway obstruction, the ability to breathe is preserved since the airway is not blocked completely. Increase breathing work and stridor can be seen in such a condition.
Stridor is a high pitched sound heard on inspiration resulting from the turbulent flow of air, and it is indicative of airway obstruction.
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