In the story "Miss Evers' Boys", there is a proposed study to not give antibiotics to a man who could potentially benefit from its use. However, if the antibiotics do not work and the man dies, then others will not want to try it. Nurse Evers objects that there is no formal consent in this proposed study, but she then offers to give the men free rides and meals in exchange for their consent.
Definitley FALSE. You have a life jacket. So use it. This probaly isn't high school though.
Well, after long term use of an antibiotic (overuse), the bacteria will build up a tolerance to them. And some of the super-bacteria (I guess you could call it) survives. Hope this helped