Salem took a dive off the bed and landed on the ground with a thud once. It scared me, but he was more shocked then anything. The spinal column of a snake is very flexible and resilient. As stated above, the best idea is to feel along her ribs and make sure none of them were broken. If she fell more then two feet then you might want to do a thorough inspection.

Though I do not AT ALL agree with not separating her for food. If she's a pet this is a must because she'll start to expect food IN HER TANK. My friend feeds her snakes in her tank, and at first they were really friendly animals, now they almost always strike unless she gets them out with a snake hook. It's better safe then sorry in the end. Another thing is, is her enclosure always retains the scent of the rat.
I've always fed my boys in a container, and it's trained them to know to expect food when they're in it, which almost immediately causes a feeding reaction even with the mouse still under the heat lamp 14 feet away. It's something that helps exercise good feeding habits and keep your hands bite free.