Question

listen to or read the audio message on the left and then answer the question. how would you define phototherapy? it is the removal of dirt, foreign objects, damaged tissue, and cellular debris from a wound to prevent infection and to promote healing. it is the use of natural or artificial light to treat skin conditions such as vitiligo and eczema. it is a class of chemical compounds derived from vitamin a that are used in skin care and treatment because of their effect on epithelial cell growth. it is the use of chemicals to remove the outer layers of skin to treat acne scarring, fine wrinkling, and keratoses.

Explanation:

Phototherapy uses light (natural or artificial) to treat skin conditions like vitiligo and eczema. The other options describe debridement, retinoids, and chemical peels respectively.

Answer:

It is the use of natural or artificial light to treat skin conditions such as vitiligo and eczema.