You are out of your league on this one. Yeah - suppose the MD prescribes insulin for the diabetic child. So what? What if the regimen is wrong. What if there are other various types of insulin available? I assume you do know all of them - right? Sure - a diagnosis of diabetes is easily diagnosed. How to approach the treatment is a whole other story. Don't get into this childish nope nope nope nope crap with me. Grow up.
How the hell is Fox News getting interjected in this? What is wrong with you? Have you ever been wrong or accepted that another opinion might be plausible?
What's blindingly obvious to me is that if I had a child in your classroom they'd be out of there ASAP.