Free 5-question sample test with instant feedback. See how ready you are.
Question 1
What is the scientific term for the study of hair and its diseases?
Answer: Trichology is the scientific study of hair, its structure, functions, and diseases.
Question 2
Which layer of the hair shaft is responsible for giving hair its strength and elasticity?
Answer: The cortex is the middle layer of the hair shaft and is responsible for its strength, elasticity, and natural color.
Question 3
What is the name of the outermost layer of the hair shaft composed of overlapping scale-like cells?
Answer: The cuticle is the outermost layer of the hair shaft, made of overlapping scale-like cells that protect the inner layers.
Question 4
Which part of the hair follicle supplies nutrients and oxygen to promote hair growth?
Answer: The dermal papilla, located at the base of the follicle, contains blood vessels that supply nutrients and oxygen essential for hair growth.
Question 5
What is the function of the arrector pili muscle in relation to hair?
Answer: The arrector pili is a small involuntary muscle attached to the follicle that contracts in response to cold or fear, causing the hair to stand erect (goosebumps).