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Nail Structure and Anatomy

Total questions: 14

Worksheet time: 14mins

Name
Class
Date
1.

What is the technical term for the natural nail?

a)

Lunula

b)

Onyx

c)

Matrix

d)

Mantle

2.

The hardened keratin structure covering the nail bed is the __________.

a)

nail extension

b)

lunula

c)

nail plate

d)

matrix

3.

The end portion of the nail plate that reaches over the fingertip is called the _________.

a)

free edge

b)

nail root

c)

nail extension

d)

nail fold

4.

The blood vessels that provide nourishment for growth of the nail are found in the __________.

a)

nail body

b)

nail root

c)

free edge

d)

nail bed

5.

What is the thin layer of tissue that attaches the nail plate to the nail bed?

a)

Cuticle

b)

Bed epithelium

c)

Free edge

d)

Eponychium

6.

The nail unit consists of basic parts, which are the nail bed, matrix, nail plate, and __________.

a)

onyx, bed epithelium, nail folds, specialized ligaments, and free edge

b)

cuticle, folds, ligaments, lunula, onyx, bed epithelium, and free edge

c)

cuticle, eponychium, perionychium, hyponychium, specialized ligaments, and nail folds

d)

onyx, cuticle, nail folds, eponychium, hyponychium, and free edge

7.

The living skin at the base of the natural nail plate that covers the matrix area is known as the __________.

a)

hyponychium

b)

nail bed

c)

mantle

d)

eponychium

8.

The skin that surrounds the nail plate is known as the __________.

a)

cuticle

b)

nail fold

c)

nail wall

d)

perionychium

9.

The whitish, half-moon shape at the base of the nail is known as the __________.

a)

free edge

b)

bed epithelium

c)

eponychium

d)

lunula

10.

The dead tissue that tightly adheres to the natural nail plate is the __________.

a)

cuticle

b)

eponychium

c)

ligament

d)

hyponychium

11.

The average rate of growth of fingernails in normal adults per month is __________.

a)

1/2"

b)

1/16"

c)

1/10"

d)

1/4"

12.

The area where the nail plate cells are formed is known as the __________.

a)

nail bed

b)

bed epithelium

c)

matrix

d)

onyx

13.

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

a)

eponychium

b)

perionychium

c)

hyponychium

d)

bed epithelium

14.

__________ is the tissue bordering the root and sides of a fingernail or toenail.

a)

Perionychium

b)

Hyponychium

c)

Bed epithelium

d)

Eponychium