PATHOLOGY

PATHOLOGY MCQ

CELL DAMAGE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the role of melanin in the skin?
A
protect from the sun
B
pigmentation / color
C
DNA replication
D
absorption of water
Explanation: 

Detailed explanation-1: -In its various forms, melanin fulfills a variety of biological functions, including skin and hair pigmentation and photoprotection of the skin and eye. Pigmentation of the skin results from the accumulation of melanin-containing melanosomes in the basal layer of the epidermis.

Detailed explanation-2: -What does melanin do? Melanin provides pigmentation to your skin, eyes and hair. The substance also absorbs harmful UV (ultraviolet) rays and protects your cells from sun damage.

Detailed explanation-3: -Many factors influence the color of people’s skin, but the pigment melanin is by far the most important. Melanin is produced by cells called melanocytes in the skin and is the primary determinant of skin color in people with darker skin.

Detailed explanation-4: -Skin color is determined by a pigment (melanin) made by specialized cells in the skin (melanocytes). The amount and type of melanin determines a person’s skin color.

There is 1 question to complete.