Answer:
The correct answer is - option D.
Step-by-step explanation:
Cheilitis is a condition that cause the inflammation which affect the mouth and oral commissures in the corners that are caused by various health condition or disease. In this case Bertha is experiencing similar condition which is indefinite in this case, however it could be temporarily.
These condition also known as the stomatitis which should be clean with the oral swab to frequently by the nurse.
Thus, the correct answer is - option D.