The correct answer is Exit.
Exit means Jessa's reaction to her current job dissatisfaction is to look for another job which would meaning having to leave or 'exit' from her current job. Exit in this scenario can mean to leave an organisation, or the department you currently work in or trying to get away from a situation at work that you are unhappy with.
This was done in order for the doctors to be sure that they have the best subject for the experiment. The doctors will have a basis for comparison in order to measure the effects of the procedure after it is done.
<em>Hope this helped! :)</em>