Chapter 9: Nail Structure & Growth
Nail Anatomy, Composition, Keratin & Growth Factors|37 Questions|Board Exam Prep
Vocabulary Matching
Match each numbered term with the correct lettered definition. Write the letter in the blank.
Fill in the Blank
Complete each statement with the correct term or phrase.
The is the visible portion of nail plate extending beyond the fingertip.
The lunula is at the of the nail plate.
The nail is where the nail plate is produced.
Nails are composed primarily of .
Ideal moisture content of a healthy nail is percent.
Nails grow approximately 1/8 inch per .
The is the skin under the free edge.
The cuticle overlapping the nail base is called the .
Multiple Choice
Select the best answer for each board-exam style question.
Which part produces the nail plate?
Ideal moisture content of healthy nail?
The lunula is located at the:
Spoon-shaped nails (koilonychia) can indicate:
Brittle splitting nails can be caused by:
Skin under the free edge is called the:
Primary protein nails are composed of:
Which factor affects nail growth rate?
True / False
Write T for True or F for False in the blank.
The lunula is the white half-moon at the base of the nail plate.
Healthy nails are flexible, slightly pink, and free from ridges.
The nail matrix is at the tip of the nail plate.
Nails grow approximately 1/8 inch per month.
Keratin is the main protein making up the nail plate.
The hyponychium is the cuticle at the base of the nail.
Yellow discoloration can indicate polish staining or fungal infection.
Nail growth rate is the same for all people.
Short Answer
Answer each question in 2-3 complete sentences.
What is the average rate of nail growth and what factors affect it?
Why must cosmetologists recognize healthy vs. unhealthy nail conditions?
Match each structure to its description: hyponychium, eponychium, nail groove, nail fold.