Answer:
airway obstruction from foreign body
Step-by-step explanation:
The 2-year old was playing alone in the playroom. Children at this age are curious and it's likely he put something in his mouth and it's lodged in his throat, obstructing his aiway. The obstruction would explain the stridor, choking, and coughing. Telling you the child is unvaccinated is a distractor, it is important to recognize the child woke up healthy in his normal state of health.