There's a world of difference between a student asking a teacher because he wants to learn the answer, and a disruptor arguing with a teacher because he wants to prevent others from learning the answers.
The things that got me into trouble were the ones like "Stick your wallet in the mouth of someone having a seizure". My father worked as a medic in the Army, and he taught us to clear the area around the patient, and then tilt the head after the seizure subsided. I brought that up in class and all hell broke loose!
I had a few disruptor types the time I taught "biology for non-science majors".
My response was standard:
"this is a course about what scientists conclude from the evidence we analyse. I will be happy to talk to you after class about anything else. My office hours are posted."
High school science teachers need to be trained to do the same.