Melanin Review

The cells that produce the dark skin pigment called melanin are?

• papule

• melanocytes

• keratin

• collagen

Which pigment secreted by specialized cells in the skin is capable of absorbing ultraviolet light?

• keratin

• melanin

• melatonin

• carotene

• hemoglobin

What is the primary function of melanin in the human body?

• To provide energy

• To absorb ultraviolet light

• To store fat

• To produce vitamin D

Which type of cell is responsible for the production of melanin?

• Keratinocytes

• Melanocytes

• Fibroblasts

• Adipocytes

Melanin is primarily found in which layer of the skin?

• Epidermis

• Dermis

• Hypodermis

• Subcutaneous

What is the chemical structure of melanin primarily composed of?

• Amino acids

• Nucleotides

• Fatty acids

• Carbohydrates

Which of the following factors can increase melanin production in the skin?

• Exposure to sunlight

• Cold temperatures

• High humidity

• Low altitude

Melanin can be found in which of the following parts of the body besides the skin?

• Liver

• Brain

• Lungs

• Heart

What is the role of melanin in the eyes?

• To enhance vision

• To protect against UV damage

• To change eye color

• To improve night vision

Which of the following is a type of melanin?

• Eumelanin

• Hemoglobin

• Chlorophyll

• Carotene