Bizarre Question of the Day

What are the freezer drawers like in a morgue's cold chamber? That is, if someone living ended up being in one, could they push their way out from the inside, or is it like being trapped in a refrigerator and it would be impossible for them to get out without help? I remember an episode of Mysterious Ways where a guy came back from the dead in the morgue and he was coming out of one of the freezer drawers, but I cannot remember if he opened it from the inside or if the pathologist had to open it. All I remember is him bumping around making noise, and the pathologist staring in shock and alarm a few minutes later when he started coming out of the open drawer.