Why Are We Still Stuck On Oxygen?

I love formative discussions with other educators—the kind that I can’t stop thinking about even after I hang up the phone. I had one of those conversations today.
A friend who teaches for the Army in Texas called me and began the conversation with, “Our students preparing for the NREMT think ‘How much oxygen should this patient get?’ instead of, ‘Should this patient get oxygen?’”
I...