You can recall your questionnaire response in the instance that you might need to legitimately change some answers. 

Step 1: Select Update beside questionnaire

Step 2: Then select Recall 

Step 3: Update your answers

Step 4: Once complete and you are at the end of the questionnaire select Save then Save & Send Response

Step 5: The status reverts to Awaiting Response. This creates a task for your customer to review and confirm.