A self-examination of the skin should check for: •asymmetry of moles.

•color variations in moles.

•border irregularity of moles.

•All of these choices are correct.

•All of these choices are correct.

Explanation:

The atypical moles are pigmented lesions which show clinical features of malignant melanoma which is a type of skin cancer that develops due to pigment producing cells also called melanocytes. They are the characteristic feature of skin cancer. The features of the moles which are to be examined to proof the incidence of malignant melanoma are asymmetrical moles, color differences in the moles, diameter more than or equal to 6mm means large size, and irregular borders of the moles. These moles have pebbled texture. Such features can be assessed in self-examination of skin.

answer (c) by causing social withdrawal;