Ch. 5 - Nail Structure & Growth Milady 14

What part of the natural nail unit protects the tips of the fingers and toes?

• nail plate

• nail cuticle

• matrix

• nail bed

Answer explanation

The part of the natural nail unit that protects the tips of the fingers and toes is the nail plate.

The natural nail itself is technically referred to as the:

• nail plate

• No

  nail cuticle

• matrix

• onyx

Answer explanation

The natural nail itself is technically referred to as the onyx.

What are the characteristics of a normal, healthy nail?

• soft and flexible

• firm and rigid

• firm and flexible

• soft with ridges

Answer explanation

The characteristics of a normal, healthy nail are firm and flexible.

The natural nail unit includes which part of the finger?

• the tip to the first knuckle

• the tip to the second knuckle

• the whole finger

• the nail itself

Answer explanation

The natural nail unit is the tip to the first knuckle part of the nail.

The lateral nail fold is also known as

• the sidewall

• Beau's lines

• the eponychium

• the free edge

Answer explanation

The lateral nail fold is also known as the sidewall.

The proximal nail fold is the entire flap of skin that covers what?

• the sidewall

• the nail bed

• the matrix

• the free edge

Answer explanation

The proximal nail fold is the entire flap of skin that covers the matrix.

What is the water content of a healthy nail?

• 0 to 5 percent

• 10 percent

• 15 to 25 percent

• 30 percent

Answer explanation

The water content of a healthy nail is 15 to 25 percent.

What is the visible part of the matrix that extends from underneath the living skin?

• sidewall

• nail plate

• free edge

• lunula

Answer explanation

The visible part of the matrix that extends from underneath the living skin is the lunula.

What is the slightly thickened layer of skin that lies between the fingertip and the nail plate's free edge?

• the matrix

• the sidewall

• the hyponychium

• the paronychia

Answer explanation

The slightly thickened layer of skin that lies between the fingertip and the nail plate's free edge is the hyponychium.

A ____ is a tough band of fibrous tissue that connects bones or holds an organ in place.

• ligament

• free edge

• nail plate

• nail bed

Answer explanation

The ligament is a tough band of fibrous tissue that connects bones or holds an organ in place.