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COSM 1070 Chapter 9 Quiz

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

The natural nail is part of what system?

a)

Muscular

b)

Integumentary

c)

Skeletal

d)

Protective

2.

The natural nail is composed mainly of a hard, fiber shaped __.

a)

Protein

b)

Adipose tissue

c)

Matrix

d)

Eponychium

3.

Which statement is true of the nail plate?

a)

It requires oxygen

b)

It is made of living cells

c)

It is more porous than normal skin of equal thickness

d)

It is rigid and impermeable

4.

As it grows, the __ slides across the nail bed.

a)

Cuticle

b)

Nail plate

c)

Nail grooves

d)

Mantle

5.

The nail plate is formed by the __.

a)

Matrix cells

b)

Cuticle

c)

Mantle

d)

Grooves

6.

Which of the following may appear to be one solid piece, but is actually constructed of about 100 layers of nail cells?

a)

Lunula

b)

Nail bed

c)

Nail folds

d)

Nail plate

7.

The part of the nail plate that extends over the tip of the finger of toe is called the __.

a)

Cuticle area

b)

Nail body

c)

Free edge

d)

Extension

8.

The portion of living skin that supports the nail plate is the nail __.

a)

Root

b)

Bed

c)

Groove

d)

Matrix

9.

Which part of the nail unit is richly supplied with blood vessels and with nerves?

a)

Lunula

b)

Nail bed

c)

Nail folds

d)

Nail plate

10.

The nail bed contains mini nerves and is attached to the nail plate with a thin layer tissue called the __.

a)

Bed eponychium

b)

Bed lunula

c)

Nail mantle

d)

Bed epithelium

11.

Karen is very nervous at her job interview. Her hands are sweating so much that she thinks her fingernails are sweating. In reality, from which part of the nail unit is the sweat most likely arising?

a)

Lunula

b)

Nail bed

c)

Nail folds

d)

Nail plate

12.

The area of the nail where the nail plate cells are formed is the __.

a)

Extension

b)

Matrix

c)

Lunula

d)

Free edge

13.

The lighter color of the __ shows the true color of the matrix.

a)

Lunula

b)

Nail bed

c)

Nail folds

d)

Nail plate

14.

The dead, colorless tissue attached to the natural nail plate is the __.

a)

Ligament

b)

Eponychium

c)

Cuticle

d)

Lunula

15.

The living skin at the base of the nail plate is the __.

a)

Eponychium

b)

Hyponychium

c)

Free edge

d)

Bed epithelium

16.

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

a)

Eponychium

b)

Mantle

c)

Hyponychium

d)

Matrix

17.

When clipping his own nails, Jose accidentally (and painfully) clips the skin under the nail between the fingertip and the free edge. What has he clipped?

a)

Ligament

b)

Hyponychium

c)

Nail groove

d)

Eponychium

18.

The tough band of fibrosis tissue that connects bones is the __.

a)

Bed epithelium

b)

Ligament

c)

Open muscle

d)

Nail tendon

19.

The nail bed and matrix bed are attached to the underlying bone by __.

a)

Ligaments

b)

Nail folds

c)

Nail grooves

d)

Eponychium cells

20.

The skin that overlaps the side of the nail is called the __.

a)

Lateral matrix

b)

Sidewall

c)

Nail wall

d)

Eponychium

21.

Normal, healthy nails grow in a variety of shapes, depending upon the shape of the __.

a)

Fingers

b)

Eponychium

c)

Matrix

d)

Free edge

22.

A longer nail matrix produces a __ nail plate.

a)

Longer

b)

Shorter

c)

Thicker

d)

Thinner

23.

Nail growth rate increased dramatically during __.

a)

Winter

b)

Old age

c)

The last trimester of pregnancy

d)

After pregnancy and delivery of a baby

24.

As a person ages, parts of the nail matrix begin to permanently slow down production, causing __.

a)

Nails to fall off with even slight injuries.

b)

Death of the nail bed and cessation of nail growth.

c)

The development of nail ridges that should be filed away.

d)

The plate to develop a series of narrow grooves running down the length of the plate.

25.

Nail polish is applied to the __.

a)

Lunula

b)

Nail bed

c)

Nail folds

d)

Nail plate