how patients and service users may be assisted by affective communication in a caring role?

hi basically i have an exam on friday i am on the pre access to health and social care and i cant seem to find nothing on the internet about this;
how patients and service users may be assisted by effective communication in a caring role in;
advocacy,
active listening,
types of interpersonal interaction,and
interpreters
i cant find anything on google could any body help me please, just give me some examples or find me a website please thank u so much

http://www.ibiblio.org/rcip/commun.html

http://psychology.wikia.com/wiki/Active_listening

www.apa.org

hope this helps!

Nonviolent Communication Skills ( NVC ) Training - Expressing Honestly