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Questions and Answers
Which ethnic group has the highest incidence of hirsutism?
Which ethnic group has the highest incidence of hirsutism?
- European
- American
- Asian
- Mediterranean (correct)
Which type of hair is short, fine, and unpigmented before puberty?
Which type of hair is short, fine, and unpigmented before puberty?
- Terminal hair
- Fetal hair
- Lanugo hair
- Vellus hair (correct)
Which part of the body does hirsutism commonly affect in both sexes?
Which part of the body does hirsutism commonly affect in both sexes?
- Lower legs (correct)
- Forearms
- Scalp
- Eyebrows
Which hormone is responsible for the growth of hair in the temporal part of the scalp, axilla, and lower pubic area?
Which hormone is responsible for the growth of hair in the temporal part of the scalp, axilla, and lower pubic area?
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Which hormone is primarily produced by the adrenal glands in both males and females?
Which hormone is primarily produced by the adrenal glands in both males and females?
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Study Notes
Hirsutism and Ethnic Groups
- Mediterranean ethnic groups exhibit the highest incidence of hirsutism compared to other ethnicities.
Hair Types Pre-Puberty
- Before puberty, the hair is classified as vellus hair, which is characterized by being short, fine, and unpigmented.
Common Affected Areas
- Hirsutism typically affects areas such as the face, neck, chest, abdomen, and back in both males and females.
Hormones and Hair Growth
- Androgens, particularly testosterone, are responsible for the growth of terminal hair in regions including the temporal scalp, axilla, and lower pubic area.
Hormonal Production Sources
- Adrenal glands primarily produce dehydroepiandrosterone (DHEA), an androgen common to both males and females.
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