Tell me whether you mean the way the body works, what happens when you get injured or all of the above and i will answer your question
        
             
        
        
        
Answer:
Use the word NO. ...
Give a strong nonverbal NO message. 
Use a firm tone of voice to support the NO message. 
 
        
             
        
        
        
That is false. No one starts doing drugs with the conscious decision to become an addict.
        
                    
             
        
        
        
I'm sure the answer you are looking for is specific to your class, but I would say that the nurse should provide something like, "The tumor is most likely benign, but until we test further, we can't know if it's malignancy."