Chapter 9- Nail Structure And Growth Flashcards
A normal, healthy nail surface _____________.
A.is completely inflexible
B. Has a spotted surface
C.is shiny and smooth
D.is white and opaque
Is shiny and smooth
The portion of the living skin that supports the nail plate as it grows towards the free edge is called the __________.
A.nail bed
B.cuticle
C.matrix
D.ligament
Nail bed
The ___________ is the whitish, half moon shape underneath the base of the nail
A.sidewall
B.lunula
C.root
D.free edge
Lunula
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
Free edge
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
Ligament
The __________ is the fold of skin overlapping the side of the nail
A.eponychium
B.hyponychium
C.nail grove
D.sidewall
Nail groove
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
Matrix
Ordinarily, replacement of the natural fingernail takes about ___________
A.six to twelve months
B.four to six months
C. Six to eight months
D. Two to eight months
Four to six months
The nail growth rate on the _____________ is typically the slowest
A.thumb
B.middle finger
C.pinkie finger
D,index finger
Thumb
The nail has a water content between ____________
A.10 and 15 percent
B.1 and 5 percent
C.20 to 45 percent
D.15 and 25 percent
15 and 25 percent
The natural nail is the appendage of the _______________.
A.dermis
B.epidermis
C.skin
D.skeletal system
Skin
The appearance of the nails can reflect the general health of the _____________.
A.body
B.skin
C.muscular system
D. Skeleton system
Body
The ___________ is relatively porous and will allow water to pass through it
A.nail bed
B.matrix
C.nail plate
D.eponychium
Nail plate
The matrix contains ____________
A.muscles and blood vessels
B.nerves, lymph, and blood vessels
C.water and muscles
D.water, ligaments, and blood vessels
Nerves, lymph, and blood vessels
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
Cuticle
Cosmetologists are allowed to gently ___________ the eponychium
A.cut
B.trim
C.push back
D.file
Push back
Cuticle moisturizers, softeners, and conditioners are actually designed for the eponychium, _______________, and hyponychium
A.cuticle
B.nail plate
C.lateral sidewalls
D.lunula
Lateral sidewalls
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
Matrix
Unlike healthy hair, healthy nails are not ______________ periodically
A.cut
B.cleaned
C.shed
D.maintained
She’d
It takes about ______________ for toenails to be fully replaced
A.three to six months
B.six to nine months
C.nine to twelve months
D. Twelve to fifteen months
Nine to fifteen months
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
Eponychium
The thin layer of tissue that attaches the nail plates and the nail bed is the _____________
A.bed eponychium
B.bed epithelium
C. Lateral nail fold
D. Onyx
Bed epithelium
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
Hyponychium
The dead, colorless tissue attached to the natural nail plate is known as the nail ___________
A.bed
B.fold
C.groove
D.cuticle
cuticle
