Nails are appendages of the skin and therefore part of the _____________ system.
A dehydrated nail:
A. cannot grow past the free edge
B. has a yellow tinge
C. is weak
D. is brittle
How can you improve the water content of dehydrated nails?
A. have clients use hand cream eery night.
B. have clients drink 8 glasses of water a day.
C. threat the nail plate with an oil-based nail conditioner and keep the nails polished.
D. use a cuticle cream every morning
The nail is composed mainly of _________.
B. several different proteins
A healthy nail should contain _ water
B. 10 %
A thin layer of tissue called the bed epithelium _ and helps guide the nail as it grows.
A. provides the underlying support for the nail plate
B. anchors the nail plate to the nail bed
C. anchors nail bed to the underlying bone
D. creates deep folds of skin around nail plate
The visible part of the matrix that extends from underneath the living skin is called the :
What forms the nail plate?
C. epithelial tissue
D. matrix cells
Poor nail growth can be caused by what?
A. all answers
B. nail disorder or disease
C. injury to the matrix
D. poor general health
The nail plate consists of approximately __ layers
The matrix is vital to the nail plate because:
A. it prevents fungus from infesting the nail bed
B. nail growth would be sluggish without it
C. it is the most active part of the skin
D. it is where the natural nail is formed
The primary purpose of the cuticle is to:
A. help shape the nail
B. protect against injury and infection
C. hold the nail in place
D. do nothing
the fastest nail growth is experienced by:
D. young adults
Which season is credited for fastest nail growth?
What influences the thickness, width, and curvature of the nail?
A. length, width, and curvature of the matrix
B. length, width, and curvature of the nail bed
C. thickness, width, and curvature of the matrix
D. length, width, and curvature of the nail folds
The ____ nail grows fastest.
C. middle finger
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:
d. specialized ligaments
It takes approximately _ for the nail to grow from the base to the free edge.
A. 1 month
B. 9 months
C. 4-6 months
D. 1 year
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. 6 months to 1 year
C. 3-6 mnths
D. 3-4 years
A highly curved nail is caused by what?
A. highly curved free edge
B. highly curved matrix
D. flat nail bed
The average adult fingernail grows ________ in 1 month.
A. 1/3 inch
B. 1/4 inch
C. 1/8 inch
D. 1/10 inch
Nail growth is affected by:
B. general health
C. all answers
How does an adequate water content affect nails?
A. makes mails more flexible
B. allow polish to remain true to color
C. makes mails less flexible
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
Nail Structure and Growth