Final answer:
In an emergency medical situation, the first thing to do is remain calm and assess the situation before providing any necessary first aid and calling for professional medical assistance.
Step-by-step explanation:
In an emergency medical situation, the first thing to do is remain calm. It is important to stay calm in order to think clearly and make rational decisions. Running for help or calling parents can be done simultaneously, but the immediate priority is to assess the situation and provide any necessary first aid while waiting for professional medical assistance.
Learn more about Emergency medical situations