Chapter 9 - Nail Structure and Growth Flashcards Preview

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Flashcards in Chapter 9 - Nail Structure and Growth Deck (35):
1

A normal, healthy nail:
a. is completely inflexible
b. has a spotted surface
c. is shiny
d. is white and opaque

c. is shiny

2

The portion of the living skin on which the nail plate sits is called the:
a. nail bed
b. cuticle
c. matrix
d. ligament

a. nail bed

3

The ______ is the whitish, half-moon shape at the base of the nail.
a. sidewall
b. lunula
c root
d. free edge

b. lunula

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

a. free edge

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

b. ligament

6

The ______ is the fold of skin overlapping the side of the nail.
a. eponychium
b. hyponychium
c. nail groove
d. sidewall

d. sidewall

7

After an injury, infection or disease, the natural nail will return to its healthy growth as long as the ______ is healthy and undamaged.
a. lateral nail fold
b. lunula
c. matrix
d. nail plate

c. matrix

8

Replacement of the natural fingernail usually takes about:
a. 6-12 months
b. 4-6 months
c. 4-8 weeks
d. 2-8 months

b. 4-6 months

9

The fingernail on the ________ typically grows the slowest.
a. thumb
b. middle finger
c. pinkie finger
d. index finger

a. thumb

10

The nail has a water content between:
a. 10-15%
b. 1-5%
c. 20-45%
d. 15-25%

d. 15-25%

11

The natural nail is an appendage of the:
a. dermis
b. epidermis
c. skin
d. skeleton

c. skin

12

The appearance of the nails can reflect the general health of the:
a. body
b. skin
c. muscular system
d. skeletal system

a. body

13

The _______ is relatively porous and will allow water to pass through.
a. nail bed
b. matrix
c. nail plate
d. eponychium

c. nail plate

14

The matrix contains:
a. lymph and blood vessels
b. nerves, lymph and blood vessels
c. water and blood vessels
d. water, lymph and blood vessels

b. nerves, lymph and blood vessels

15

Tissue that adheres directly to the natural nail plate but which can be easily removed with gently scraping is:
a. ligament
b. hyponychium
c. eponychium
d. cuticle

d. cuticle

16

Cosmetologists are allowed to _______ the eponychium.
a. cut
b. trim
c. push back
d. file

c. push back

17

Cuticle moisturizers, softeners and conditioners are not designed to treat the:
a. cuticle
b. nail plate
c. sidewalls
d. hyponychium

a. cuticle

18

Toenails are thicker and harder than fingernails because the ____ of the toenail is longer than that of the fingernail.
a. nail bed
b. matrix
c. lunula
d. eponychium

b. matrix

19

Unlike healthy hair, healthy nails are not ______ perodically.
a. cut
b. cleaned
c. shed
d. maintained

c. shed

20

It takes about ________ for toenails to be fully replaced.
a. 3-6 months
b. 6-9 months
c. 9 months - 1 year
d. 1 year - 15 months

c. 9 months - 1 year

21

The living skin at the base of the natural nail plate and the nail bed is the:
a. eponychium
b. hyponychium
c. cuticle
d. lunula

a. eponychium

22

The slightly thickened layer of skin that lies between the fingertip and free edge of the natural nail plate is the:
a. epithelium
b. eponychium
c. sidewall
d. hyponychium

d. hyponychium

23

The dead, colorless tissue attached to the natural nail plate is known as the:
a. nail bed
b. nail fold
c. nail groove
d. nail cuticle

d. nail cuticle

24

The ___________ is the area where the nail plate cells are formed.
a. cuticle
b. lunula
c. matrix
d. free edge

c. matrix

25

The thin layer of tissue between the nail plate and the nail bed is the:
a. bed eponychium
b. bed epithelium
c. lateral nail fold
d. onyx

b. bed epithelium

26

The nail bed contains many nerves and is attached to the nail plate with a thin layer of tissue call the:
a. bed eponychium
b. bed lunula
c. nail mantle
d. bed epithelium

d. bed epithelium

27

The water content of the natural nail directly affects the nails:
a. length
b. grooves
c. flexibility
d. color

c. flexibility

28

The living skin at the base of the nail plate covering the matrix area is the:
a. eponychium
b. hyponychium
c. free edge
d. bed epithelium

a. eponychium

29

The portion of living skin that supports the nail plate is:
a. nail root
b. nail bed
c. nail groove
d. nail matrix

b. nail bed

30

The most visible and functional part of the nail unit is the:
a. nail bed
b. nail plate
c. nail grooves
d. nail mantle

b. nail plate

31

The natural nail is part of what system?
a. muscular
b. integumentary
c. skeletal
d. protective

b. integumentary

32

The tough band of fibrous tissue that connects bones or holds an organ in place is the:
a. bed epithelium
b. ligament
c. open muscle
d. nail tendon

b. ligament

33

The nail plate of constructed of how many layers of nail cells?
a. 50
b. 75
c. 80
d. 100

d. 100

34

The average rate of nail growth in the normal adult is about:
a. 1/10" per month
b. 1/4" per month
c. 1/8" per month
d. 1/2" per month

a. 1/10" per month

35

Normal, healthy nails grow in a variety of shapes, depending upon the shape of the:
a. fingers
b. eponychium
c. matrix
d. free edge

c. matrix