YO DIGO B
Espero que esto ayude, porque tuve que traducirlo. T^T
He should try to calm him down. Once he calmed down, he can try to talk to him.
The answer is the last choice. "a behavioral change and is not related to the internal environment".
I hope this helps.
EMTs and paramedics may assess the scene to confirm whether the patient is in cardiac arrest and initiate resuscitation. They also transport the patient to the most appropriate definitive care facility—usually the closest hospital that is best equipped to care for a cardiac arrest patient.