It certainly could be. You need to see a doctor.
No, the wrist is distal to the elbow and the elbow is proximal to the wrist.
Your right hand
There are various forms of blood poisoning some show outward signs others not so much. If it is swollen and discharging greenish puss, chances are it's infected. Go see you doctor right away.
The arm has an elbow. The elbow is a joint that allows for bending and straightening of the arm.
right elbow but it dosent matter
Yes, it could be a sign of infection and you should see a doctor right away. You could get blood poisoning and die.
You can put your right hand on your left elbow. This is a physical position where your right hand can touch your left elbow, but your left hand cannot reach its own elbow in the same way.
His own right elbow??? you cannot put your own right elbow in your right hand.
Hepatitis, Meningitis, HIV, LockJaw, Tetanus, Blood poisoning. That about covers it, don't be an idiot with you health, get it done right.
No
It's easier to flex the right elbow when your forearm is supinated because the palm is turned upward.
Your right hand can touch your left elbow but your left hand can't and your left hand can touch your right elbow but your right hand can't.