John would probably be diagnosed with hearing loss
Surgical procedures were most affected by antiseptics
To make sure you are prepared for every outcome so if in the future if something goes unplanned you already somewhat expected it
A. a disease that affects a person for a long time
B. Talk to a trusted adult!
They have more experience and would know what to do before things got out of hand!
(Edit): Forgive me, I did not see the part where it said to choose three
