Evidence shows that there are certain metals in some vaccines that people who have an allergy to metals can react, which can affect them neurologically. (i’m autistic myself and was affected by a vaccine. i hope this helps.)
The answer to this problem is "traumatic aortic disruption " as the client is brought to the emergency after experiencing a motor vehicle crashed, he is complaining a chest pain and the feeling that a sharp pain on it. The nurse also observed the absence of breath sounds on the affected area or side. This is serious and one of the symptoms of aortic disruption which needs urgent response and treatment. Other signs and symptoms of aortic disruption are severe chest pain, external pain, and abdominal pain.
I think the answer would be insecurity as he feels inferior to his peers in a specific area. He feels ashamed/embarrassed that he may not be as smart.
Im an overthinking person to.. If you need someone to talk to or vent to even/if than Im here ^^