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Angela is training to be a cosmetologist. While she is working on a client, her manager stops her because she’s about to clip too close to the eponychium. What might Angela have confused the eponychium for?
the nail cuticle
Nail plate, nail cuticle, and matrix are all ___________.
part of the natural nail unit
How would you recommend clients make their plate grow thicker?
Nothing can make the nail plate grow thicker.
What part of the natural nail unit protects the tips of the fingers and toes?
nail plate
What is the water content of a healthy nail?
15 to 25 percent
How long does it take for fingernail plates to be fully replaced?
4 to 6 months
What is the average rate of nail plate growth in normal adults per month?
1/10 to 1/8 inch per month
What is the visible part of the matrix that extends from underneath the living skin?
lanula
firm and flexible are ____________________.
characteristics of a normal, healthy nail
What colors represent a normal, healthy nail?
whitish
pinkish
beige
What helps guide the nail plate along the nail bed as it grows?
the bed epithelium
The natural nail unit includes which part of the finger?
the tip to the first knuckle
The proximal nail fold is the entire flap of skin that covers what?
the matrix
List three things the growth of the nail plate is affected by.
nutrition
exercise
general health
The nail plate has approximately how many nail cell layers?
100
The lateral nail fold is also known as _________.
sidewall
What is the slightly thickened layer of skin that lies between the fingertip and the nail plate’s free edge?
the hyponychium
Cuticle moisturizers are designed for all EXCEPT _________.
the cuticle
a tough band of fibrous tissue that connects bones or holds an organ in place
ligament
What is the relationship between nail cell production and plate growth?
The faster that nail cells are produced, the faster the plate will grow.
How would you compare the relationship between the matrix and the plate?
The length, width, and curvature of the matrix determine the thickness, width, and curvature of the plate.
Stephanie is pregnant. She is talking to her cosmetologist friend, Charlie, about how wonderful her prenatal vitamins have been for her hair and nail growth. What could Charlie tell Stephanie about her nail growth?
Stephanie already had excellent nail growth and is simply noticing what was already occurring.
Why must the hyponychium be treated gently?
If the hyponychium is damaged, an infection under the nail plate is possible.
How would you compare fingernail and toenail growth?
Toenails are thicker than fingernails because the toenail matrix is longer.
What is the living skin that supports the nail plate as it grows toward the free edge?
nail bed