Free 5-question sample test with instant feedback. See how ready you are.
Question 1
What is the technical term for the visible part of the hair that extends above the skin surface?
Answer: The hair shaft. It is the portion of the hair that projects beyond the skin and is composed of keratinized, dead cells.
Question 2
What are the three structural layers of the hair shaft from outermost to innermost?
Answer: Cuticle, cortex, and medulla. The cuticle is the outermost protective layer, the cortex provides strength and color, and the medulla is the innermost core.
Question 3
Which layer of the hair shaft contains melanin and is primarily responsible for giving hair its color and strength?
Answer: The cortex. It makes up the majority of the hair shaft and contains the melanin pigment granules that determine hair color.
Question 4
What is the function of the cuticle layer of the hair?
Answer: The cuticle protects the inner layers of the hair shaft. Its overlapping scale-like cells act as a barrier against moisture loss and physical damage.
Question 5
What is the name of the tube-like pocket in the skin that encloses the hair root?
Answer: The hair follicle. It is a sheath of skin and connective tissue that surrounds the hair root and anchors the hair in the scalp.