question: Q:When consulting with a colleague about a “therapeutic impasse” you are having with a therapy client:? 
  A:it is always necessary to advise the client about the consultation.;B:it is necessary to get a signed waiver of confidentiality from the client before discussing confidential information with the consultant.;C:it is unnecessary to advise the client of the consultation as long as only information that is relevant to the impasse is discussed.;D:it is unnecessary to advise the client of the consultation as long as the client's identity is not revealed.