Melanology

Melanology

Melanology is the study of melanin, the pigment responsible for coloration in the skin, hair, and eyes, as well as its related disorders.

1 / 10

What is the primary role of the microphthalmia-associated transcription factor (MITF) in melanocytes?

2 / 10

Which of the following conditions is characterized by a benign increase in the number of melanocytes, resulting in hyperpigmented macules commonly known as “age spots” or “liver spots”?

3 / 10

Which of the following is a key signaling pathway involved in the regulation of melanocyte development and differentiation?

4 / 10

Which form of melanin is predominantly found in individuals with red hair and fair skin?

5 / 10

Which condition is characterized by increased melanin production resulting in dark patches on the skin, often exacerbated by sun exposure and hormonal changes?

6 / 10

The Fitzpatrick scale is used to classify skin types based on their reaction to ultraviolet (UV) light. Which type corresponds to very fair skin that always burns and never tans?

7 / 10

Which hormone, produced by the pituitary gland, can influence skin pigmentation by stimulating melanin production?

8 / 10

Which skin condition is characterized by depigmented patches and is thought to be an autoimmune disorder affecting melanocytes?

9 / 10

Which type of melanin is responsible for the brown and black pigmentation in human skin and hair?

10 / 10

Which enzyme is primarily responsible for the synthesis of melanin in melanocytes?

 

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