Name the layers of the skin and describe what they contain. What is the difference between a partial-thickness and full-thickness injury? What are the functions of the skin? Describe the causes, symptoms and treatment of acne, athlete’s foot, burns, seborrheic dermititis, contact dermititis, psoriasis, basal cell carcinoma, squamous cell carcinoma, malignant carcinoma, vitiligo, hand warts, foot warts, flat warts, and cold sores. What lesions are in the diagram? crust purpura wheal ecchimosis pustule scale macule ulcer vesicle patch