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Chapter 9: Nail Structure & Growth

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

A normal, healthy nail surface _______________.

a)

Is completely inflexible

b)

Has a spotted surface

c)

Is shiny and smooth

d)

Is white and opaque

2.

The portion of the living skin that supports the nail plate as it grows toward the free edge is called ______________.

a)

Nail bed

b)

Cuticle

c)

Matrix

d)

Ligament

3.

The _________________ is the whitish, half-moon shape underneath the base of the nail.

a)

Sidewall

b)

Lunula

c)

Root

d)

Free-edge

4.

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

a)

Free edge

b)

Matrix

c)

Bed epithelium

d)

Sidewall

5.

A _________________ is a tough band of fibrous tissue that connects bones or holds an organ in place.

a)

Muscle

b)

Ligament

c)

Tendon

d)

Nerve

6.

The _______________ is the fold of skin overlapping the side of the nail.

a)

Eponychium

b)

Hyponychium

c)

Nail groove

d)

Sidewall

7.

As long as the _____________ is nourished and healthy, new nail plate cells will be created.

a)

Lateral nail fold

b)

Lunula

c)

Matrix

d)

Nail plate

8.

Ordinarily, replacement of a natural fingernail takes about _______________________.

a)

6 to 12 months

b)

4 to 6 months

c)

6 to 8 months

d)

2 to 8 months

9.

The nail growth rate on the _________________ is typically the slowest

a)

Thumb

b)

Middle finger

c)

Pinkie finger

d)

Index finger

10.

The nail has a water content between __________________.

a)

10 - 15%

b)

1 - 5 %

c)

20 - 45%

d)

15 - 25%

11.

The natural nail is an appendage of the __________________.

a)

Dermis

b)

Epidermis

c)

Skin

d)

Skeletal system

12.

The appearance of the nails can reflect the general health of the ___________________.

a)

Body

b)

Skin

c)

Muscular system

d)

Skeletal system

13.

The __________________ is relatively porous and will allow water to pass through it.

a)

Nail bed

b)

Matrix

c)

Nail plate

d)

Eponychium

14.

The matrix contains ____________________.

a)

Muscles and blood vessels

b)

Nerves, lymph, and blood vessels

c)

Water and muscles

d)

Water, ligaments, and blood vessels

15.

Tissue that adheres directly to the natural nail plate but which can be removed with gentle scraping is the ______________.

a)

Perionychium

b)

Hyponychium

c)

Eponychium

d)

Cuticle

16.

Cosmetologists are allowed to gently _________________ the eponychium.

a)

Cut

b)

Trim

c)

Push back

d)

File

17.

Cuticle moisturizers, softeners, and conditioners are actually designed for the eponychium, ______________________, and hyponychium.

a)

Cuticle

b)

Nail plate

c)

Lateral sidewalls

d)

Lunula

18.

Toenails are thicker than fingernails because the ______________ of the toenail is longer than that of the fingernail.

a)

Nail bed

b)

Matrix

c)

Lunula

d)

Eponychium

19.

Unlike healthy hair, healthy nails are not _______________ periodically.

a)

Cut

b)

Cleaned

c)

Shed

d)

Maintained

20.

It takes about _____________ for toenails to be fully replaced.

a)

3 to 6 months

b)

6 to 9 months

c)

9 to 12 months

d)

12 to 15 months

21.

The living skin at the base of the natural nail plate covering the matrix area is the _________________.

a)

Eponychium

b)

Hyponychium

c)

Cuticle

d)

Lunula

22.

The thin layer of tissue that attaches the nail plate and the nail bed is the ____________________.

a)

Bed eponychium

b)

Bed epithelium

c)

Lateral nail fold

d)

Onyx

23.

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

a)

Epithelium

b)

Eponychium

c)

Sidewall

d)

Hyponychium

24.

The dead, colorless tissue attached to the natural nail plate is known as the nail ___________________.

a)

Bed

b)

Fold

c)

Groove

d)

Cuticle

25.

The __________________ is the area where the nail plate cells are formed.

a)

Cuticle

b)

Lunula

c)

Matrix

d)

Free edge