I just got into a car accident and I want to show up to work with a broken nose and wrist.
WHOA! Why? Was this accident related to your job?
No, it's not related to my job.
You should take as much time as you need to fully recover after an accident. However, if you think that you are able to do the job, it is good to get back into working.
My manager makes me work with deadlines and I can't finish my part of the project if I don't work now.
You should let your manager know what happened, even if they are difficult with deadlines. Car accidents are serious and you should take the time to get your mind right and make sure you are recovered.