Chapter 9 Cox's Nail Structure & Growth

The natural nail is part of what system?

• Muscular

• Integumentary

• Skeletal

• Protective

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

• protein

• adipose tissue

• matrix

• eponychium

Which statement is true of the nail plate?

• It requires oxygen.

• It is made of living cells.

• It is more porous than normal skin of equal thickness.

• It is rigid and impermeable.

As it grows, the _____ slides across the nail bed.

• cuticle

• nail plate

• nail grooves

• mantle

The nail plate is formed by the _____.

• matrix cells

• cuticle

• mantle

• grooves

Which of the following may appear to be one solid piece, but is actually constructed of about 100 layers of nail cells?

• Lunula

• Nail bed

• Nail folds

• Nail plate

The part of the nail plate that extends over the tip of the finger or toe is called the _____.

• cuticle area

• nail body

• free edge

• extension

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

• root

• bed

• groove

• matrix

Which part of the nail unit is richly supplies with blood vessels and with nerves?

• Lunula

• Nail bed

• Nail folds

• Nail plate

The nail bed contains many nerves and is attached to the nail plate with a thin layer of tissue called the _____.

• bed eponychium

• bed lunula

• nail mantle

• bed epithelium