Chapter 9 Nail Structure and 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

• cuticule
• 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 o 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 living skin that supports the nail plate is the nail ___________.

• root
• bed
• groove
• matrix

which part of the nail unit is richly supplied 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 mantel
• bed epithelium