the correct asnwer is "B) Loss of contact with reality through delusions, hallucinations, and thought disorders" 
REASONING FOR THIS: Schizophrenia is a severe mental disorder in which a person loses contact with reality while delusions, hallucinations, etc. do occur quite often. 
I hope this helps :)
 
        
             
        
        
        
The answer is TRUE keeping your nails clean will protect against the spread of harmful bacteria