As much as someone just out of med school, yes. At an absolute bare minimum you still need to do your internship for a year before you can practice.
On your first point; most people don't use most of what they learn in college once they leave it. This is substantially less true of medicine than many other fields. At the same time most doctors do a pretty thorough job of forgetting math and physics and a reasonable job of forgetting chemistry.
On your first point; most people don't use most of what they learn in college once they leave it. This is substantially less true of medicine than many other fields. At the same time most doctors do a pretty thorough job of forgetting math and physics and a reasonable job of forgetting chemistry.