A. Moderate. If he can carry on a conversation without running out of breath then he is probably not a stranger to that type of workout and is use to much harder tasks.
1. the nurse should explain how the hospital especially the ER is a safe place and you can trust the staff when explaining the situation.
2. the considerations should be to keep in mind she is both physically and emotionally hurt meaning she could react in several ways.
I'm thinking it would be lack of knowledge of disease. If a parent doesn't know about childhood diseases then they won't know what to look for. Example, my newborn nephew had a cough and congestion, they took him to the ER last night and found out he has DSV and that he most likely got it from his older sisters who also have a cough.