A) The source is probably not valid because it is based on an opinion. 
He or she that wrote it did not go into a lab and see if the resources are true its just based on what he thinks it is.
 
        
                    
             
        
        
        
Hey There!,
The  main nerves run past the elbows and wrist to the hand.
Thank You!
        
                    
             
        
        
        
Control any bleeding.
Apply ice to the injured area to ease pain and reduce swelling.
Remove any jewelry right away. ...
Support a deformed hand on a pillow.
Take an over-the-counter pain reliever like acetaminophen or ibuprofen.
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I really suggest you go to a doctor if you have broken your arm. Failing to do so can result in your arm being in more pain and it could heal the bone wrong.  
 
        
             
        
        
        
Answer:
Hi. I’m here if you want to talk. Why so upset? I’m here to help 
Explanation: