← Nail Care, Manicuring & Nail Disorders – California Cosmetology State Board Exam

Free Nail Care, Manicuring & Nail Disorders – California Cosmetology State Board Exam Practice Test (2026)

110 questions · 120 min · 70% to pass

110 Questions · 120 Minutes · 70% to Pass

Question 1 of 5

Sample Questions

Question 1

What is the technical term for the nail plate?

Answer: The nail plate is technically called the 'onyx.' It is the hard, protective keratin structure that sits on top of the nail bed.

Question 2

What part of the nail is responsible for nail growth?

Answer: The matrix (also called the nail root) is responsible for nail growth. It contains nerves, lymph vessels, and blood vessels that produce new nail cells.

Question 3

What is the hyponychium?

Answer: The hyponychium is the slightly thickened layer of skin beneath the free edge of the nail plate. It forms a seal that protects the nail bed from infection.

Question 4

What is the lunula?

Answer: The lunula is the white, half-moon shaped area at the base of the nail plate. It is the visible part of the matrix and appears lighter because the matrix is thicker there.

Question 5

What is the eponychium?

Answer: The eponychium is the living skin at the base of the nail plate that covers the matrix area. It should never be cut because it protects against infection.