By Dana Dratch • Bankrate.com

You show up on time, pitch in, take on extra work and make plenty of money for the company. Yet you still see the juicy promotions, major projects and big raises going to other people. What gives?
Maybe the boss is a jerk and co-workers are stabbing you in the back, or maybe you could be making things tougher for yourself without even realizing it.
Here's your chance to find out. Just answer -- truthfully, please -- a few key questions. You'll get 10 points for each right answer and discover if you might be your own worst enemy at work: