Final answer:
A cleansing enema should be given to the client to loosen the feces before digital removal of the mass.
Step-by-step explanation:
The nurse should give a cleansing enema to the client to loosen the feces before digital removal of the mass. A cleansing enema involves the introduction of a large volume of liquid into the rectum and colon to stimulate bowel movements and soften the stool. This can be done using solutions such as tap water, saline, or a soapsuds solution.