CCP CCP Trichology & Hair Science 1 — Questions and Answers
Question 1: What is the technical term for the scientific study of hair and scalp?
- Dermatology
- Trichology (Correct answer)
- Cosmetology
- Phycology
Correct answer: Trichology
Trichology is the branch of science dedicated to the study of hair and scalp health.
Question 2: Which layer of the hair shaft is responsible for the hair's strength and elasticity?
- Cuticle
- Medulla
- Cortex (Correct answer)
- Follicle
Correct answer: Cortex
The cortex makes up the bulk of the hair shaft and contains the fibrous proteins and melanin that give hair its strength, elasticity, and color.
Question 3: During which phase of the hair growth cycle does the hair follicle shrink and detach from the dermal papilla?
- Anagen
- Catagen (Correct answer)
- Telogen
- Exogen
Correct answer: Catagen
The catagen (transition) phase is a brief period where the follicle regresses and the hair detaches from its blood supply.
Question 4: What condition is characterized by excessive hair loss resulting in patchy bald spots on the scalp?
- Alopecia areata (Correct answer)
- Tinea capitis
- Hypertrichosis
- Canities
Correct answer: Alopecia areata
Alopecia areata is an autoimmune condition that causes patchy, non-scarring hair loss on the scalp and body.
Question 5: What is the term for the natural graying of hair due to a decrease in melanin production?
- Albinism
- Canities (Correct answer)
- Monilethrix
- Fragilitas crinium
Correct answer: Canities
Canities refers to the gradual graying of hair caused by the reduction of melanin in the hair cortex as a person ages.
Question 6: Which protein makes up approximately 90% of the hair shaft's chemical composition?
- Collagen
- Elastin
- Keratin (Correct answer)
- Fibrin
Correct answer: Keratin
Keratin is the primary structural protein of hair, nails, and the outer layer of skin, making up nearly 90% of the hair shaft.
What is the technical term for the scientific study of hair and scalp?