Final answer:
An enema helps cleanse the colon and prepare it for the intestinal procedure. Jana Green should follow instructions to properly administer the enema at home.
Step-by-step explanation:
An enema is used to empty the lower part of the colon by injecting liquid into the rectum through the anus. This helps to cleanse the colon and prepare it for the intestinal procedure.
By giving herself an enema at home, Jana Green can help ensure that her colon is completely empty before the procedure, which is important for accurate test results and a successful procedure.
It is crucial that Jana Green follows the instructions provided by her healthcare provider on how to properly administer the enema at home to minimize any risks or discomfort.