Chapter 9

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 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 mantle
• Bed epithelium