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Nail Structure and Growth (Cosmetology)

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What is the technical term for natural nail?

a)

Lunula

b)

Matrix

c)

Onyx

d)

Mantle

2.

The water content of the nail is between _______________

a)

5 and 10 percent

b)

15 and 25 percent

c)

30 and 40 percent

d)

45 and 55 percent

3.

The water content of the nail directly affects the nail's _____

a)

color

b)

length

c)

thickness

d)

flexibility

4.

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

a)

cuticle, folds, ligaments, lunula and free edge

b)

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

c)

onyx, bed epithelium, nail folds and free edge

d)

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

5.

The hardened keratin structure covering the nail bed is the _____

a)

nail extension

b)

nail plate

c)

matrix

d)

lunula

6.

The most visible and functional part of the nail unit is called the ________

a)

nail root

b)

nail fold

c)

nail plate

d)

cuticle

7.

The nail plate is constructed of approximately how many layers of nail cells?

a)

50

b)

75

c)

100

d)

125

8.

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

a)

nail root

b)

nail extension

c)

nail body or plate

d)

free edge

9.

The blood vessels that provide nourishment for growth of the nail plate are found in the ________

a)

nail body

b)

nail root

c)

nail bed

d)

free edge

10.

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

a)

Bed epithelium

b)

Cuticle

c)

Eponichium

d)

Free edge

11.

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

a)

nail bed

b)

eponychium

c)

hyponychium

d)

mantle

12.

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

a)

free edge

b)

bed epithelium

c)

lunula

d)

eponychium

13.

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

a)

cuticle

b)

eponychium

c)

hyponychium

d)

ligament

14.

The tough bank of fibrous tissue that holds an organ in place consists of ________

a)

nail folds

b)

ligaments

c)

half moons

d)

nail grooves

15.

The skin that surrounds the nail plate is known as the ____

a)

cuticle

b)

nail wall

c)

perionychium

d)

nail fold

16.

The average rate of growth of finger nails in normal adults is ___________

a)

1/10" per month

b)

1/2" per month

c)

1/4" per month

d)

1/16" per month

17.

Which nail grows the fastest?

a)

The middle finger

b)

The little finger

c)

The index finger

d)

The thumb

18.

Which nail grows the slowest?

a)

The middle finger

b)

The little finger

c)

The index finger

d)

The thumb

19.

If the matrix remains healthy, a nail lost through injury will be replaced in about how many months?

a)

4 to 6

b)

3 to 4

c)

2 to 3

d)

1 to 2

20.

If a toenail is lost through injury, how long will it take for replacement?

a)

3 to 6 months

b)

6 to 9 months

c)

9 to 12 months

d)

12 to 15 months