I'm not confused at all, because of these two sections:
Didn't say you were. This form caters for a multitude of readers.
As I mentioned before, in cases of anaphylaxis, paramedics will authorise the use of a pen if available.
Which they can because they are health care professionals.
Having spoken to a paediatrician, there is a push to have pens in all schools as standard for staff ("nutters") to use in an emergency.
Why are you calling teaching staff nutters?
Teaching staff are still only permitted to administer adrenaline auto-injectors to pupils who have had prescriptions issued to them. The difficulty in schools is pupils not carrying their pens in every eventuality so having spares means the autoinjectors can be located promptly in the event of an emergency.