Milady - Chapter 9 - Nail Structure & Growth

The slightly thickened layer of the skin that lies between the fingertip and the free edge of the natural nail plate is the ____.

• mantle

• eponychium

• matrix

• hyponychium

The area of the nail where the nail plate cells are formed is the _____.

• lunula

• extension

• free edge

• matrix

The tough band of fibrous tissue that connects bones is the _____.

• bed epithelium

• open muscle

• nail tendon

• ligament

The portion of living skin that supports the nail plate is the nail _____.

• root

• groove

• bed

• matrix

What part of the nail unit is richly supplied with blood vessels and nerves?

• Nail folds

• Nail plate

• Lunula

• Nail bed

Which statement is true of the nail plate?

• It's more porous than normal skin of equal thickness

• it's rigid and impermeable

• It requires oxygen

• It's made of living cells

A longer nail matrix produces a _____ nail plate.

• longer

• thicker

• thinner

• shorter

The natural nail is composed mainly of a hard, fiber-shaped _____.

• eponychium

• protein

• matrix

• adipose tissue

As a person ages, parts of the nail matrix begin to permanently slow down production, causing _____.

• the plate to develop a series of narrow grooves running down the length of the plate

• death of the nail bed and cessation of nail growth

• nails to fall off

• the development of nail ridges that should be filed away

Nail growth rates increase dramatically during _____.

• the last trimester of pregnancy

• after pregnancy

• winter

• old age