A Mother Brings Her 8-Year-Old Daughter into an Urgent Care

Multiple Choice

A mother brings her 8-year-old daughter into an urgent care clinic. The child has a dry, flaky, and peeling rash around her mouth. The mother states she has treated the rash with a number of different lotions, but the lesions persist. She is looking for information on how to make her daughter stop licking her lips, as she thinks this is causing the lesions. Upon assessment, the nurse notes circumoral blisters and honey-colored crusts. In the medical history, the mother reports her daughter has not had any other symptoms, including fever, nausea, vomiting, and malaise.
-The lesions are diagnosed as S.aureus impetigo.The nurse is educating the mother about why her daughter's affected skin seems so fragile and blisters easily.Which of the following statements is most appropriate? 

A) The constant exposure to moisture makes your daughter's skin very fragile,and blistering is the natural response.
B) Your daughter's scratching irritates the skin,making it very fragile and irritable.
C) The blood beneath the surface of the skin is broken down by waste products from S.aureus,and superficial blisters are the clinical sign.
D) An exotoxin produced by S.aureus targets a protein responsible for cell-to-cell binding,and blisters are the result.