Answer:
it really depends on if you have recently had an injury to that hand or possibly over extended it doing an activity that you normally don't do. if there is no known injury you may want to have it checked out by your primary care doctor there's numerous different reasons that would cause the symptoms that you have listed and without more evaluation it would be hard to pinpoint the 3xact cause or how to repair or remedy this problem. more information would be highly appreciated and recommended.
I’m pretty sure the answer is A
The best way to handle the situation would be to let your parent or guardian know and to not get in the car if possible find a friend or parent who can help to get you home or go to the coach, do not put yourself in danger.
hope this helps~
Anyway, the term that describes the straightening of a joint is "extension".
Hope this helps you out in you HW :)
