Wow, so it's going to be a full house for parent-teacher conference, huh?

EDITED
[@Altasaire]

Good question. 

But, no. Once the toxin is adsorbed by the body, there is not much that can be done. The arrows remains due to the fact they have already been discharged and used. Her supply of arrows are limited, each takes a bit of energy to active. 

If you are correct, shouldn't the wounds vanish as well once she unsummon her noble arms? It is not an illusion.