Question

question 43 (1 point)
what pigment in hair provides natural colors ranging from red and ginger to yellow and blond tones?
○ a keratin
○ b eumelanin
○ c neuromelanin
○ d pheomelanin

question 44 (1 point)
what term refers to the scientific study of hair and its diseases and care?
○ a trichology
○ b selenology
○ c cartology
○ d cosmetology

question 45 (1 point)
what is the technical term for gray hair?
○ a alopecia
○ b albino
○ c ringed hair
○ d canities

Explanation:

Question 43

Keratin is a protein in hair, not a pigment. Eumelanin gives brown/black tones. Neuromelanin is in the brain. Pheomelanin provides red, ginger, yellow, blond tones.

Selenology is about the Moon, Cartology is map - making, Cosmetology is about beauty treatments. Trichology is the study of hair, its diseases, and care.

Alopecia is hair loss, Albino refers to lack of pigment in skin/hair/eyes, Ringed hair has alternating light/dark rings. Canities is the technical term for gray hair.

Answer:

d. Pheomelanin

Question 44