Shadow Wolf
Certified People sTabber & Business Owner
No. Doors that go outside typically have a locking knob that needs a key, but it's very rare for doors to a room to be that way.Definitely. In all houses the room doors have the locks with the key.
If you watch American Pie you'll notice the doors aren't being locked and at least a few people get walked in on a couple having sex.
Bedrooms and bathrooms more typically have a lock on the inside amd a small hole to poke something like a toothpick in to unlock. That's not a keyed entry though and is more for privacy than security.