Chapter 8

Nails are appendages of the skin and therefore part of the _____________ system.
A. skeletal
B. endocrine
C. integumentary
D. muscular

A dehydrated nail:
A. cannot grow past the free edge
B. is brittle
C. has a yellow tinge
D. is weak

How can you improve the water content of dehydrated nails?
A. have clients use hand cream eery night.
B. threat the nail plate with an oil-based nail conditioner and keep the nails polished.
C. use a cuticle cream every morning
D. have clients drink 8 glasses of water a day.

The nail is composed mainly of _________.
A. melanin
B. several different proteins
C. calcium
D. keratin

A healthy nail should contain _ water
A. 10 %
B. 30-50%
C. 14%
D. 15-25%

A thin layer of tissue called the bed epithelium _ and helps guide the nail as it grows.
A. creates deep folds of skin around nail plate
B. anchors nail bed to the underlying bone
C. provides the underlying support for the nail plate
D. anchors the nail plate to the nail bed

The visible part of the matrix that extends from underneath the living skin is called the :
A. hyponychium
B. lunula
C. cuticle
D. eponychium

What forms the nail plate?
A. keratin
B. hyponychium
C. epithelial tissue
D. matrix cells

Poor nail growth can be caused by what?
A. all answers
B. nail disorder or disease
C. poor general health
D. injury to the matrix

The nail plate consists of approximately __ layers
A. 1,000
B. 10
C. 500
D. 100

The matrix is vital to the nail plate because:
A. it prevents fungus from infesting the nail bed
B. it is where the natural nail is formed
C. nail growth would be sluggish without it
D. it is the most active part of the skin

The primary purpose of the cuticle is to:
A. help shape the nail
B. hold the nail in place
C. protect against injury and infection
D. do nothing

the fastest nail growth is experienced by:
A. women
B. young adults
C. children
D. men

Which season is credited for fastest nail growth?
A. summer
B. winter
C. spring
D. fall

What influences the thickness, width, and curvature of the nail?
A. length, width, and curvature of the nail bed
B. thickness, width, and curvature of the matrix
C. length, width, and curvature of the nail folds
D. length, width, and curvature of the matrix

The ____ nail grows fastest.
A. thumb
B. middle finger
C. index
D. all nails grow the same

A tough bad of fibrous tissue that attach the nail bed and the matrix bed to underlying bone is called:
a. cuticle
b hyponychium
c. eponychium
d. specialized ligaments

It takes approximately _ for the nail to grow from the base to the free edge.
A. 1 month
B. 4-6 months
C. 1 year
D. 9 months

How long does it take for a toe nail to grow from the base of the nail bed to the free edge?
A. 9 months to 1 year
B. 3-4 years
C. 6 months to 1 year
D. 3-6 mnths

A highly curved nail is caused by what?
A. highly curved matrix
B. highly curved free edge
C. injury
D. flat nail bed

The average adult fingernail grows ________ in 1 month.
A. 1/3 inch
B. 1/8 inch
C. 1/10 inch
D. 1/4 inch

Nail growth is affected by:
A. exercise
B. nutrition
C. general health
D. all answers

How does an adequate water content affect nails?
A. makes mails less flexible
B. makes mails more flexible
C. allow polish to remain true to color
D. toughens nails

What is the purpose of nail grooves or tracks?
a. nails move along these tracks as they grow
b they signal poor health
c. They do not exist
d. they anchor the nail