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Anatomy and Physiology /Cosmetology: Chapter 9: Nail Structure and Growth Part 1

Cosmetology: Chapter 9: Nail Structure and Growth Part 1

Anatomy and Physiology18 CardsCreated 8 days ago

This deck covers key concepts from Chapter 9 of Cosmetology, focusing on nail structure and growth. It includes questions about the anatomy and health of nails, as well as the roles of different parts of the nail.

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A normal, healthy nail: A. is completely inflexible B. has a spotted surface C. is shiny D. is white and opaque

C. is shiny
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Key Terms

Term
Definition
A normal, healthy nail: A. is completely inflexible B. has a spotted surface C. is shiny D. is white and opaque
C. is shiny
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
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The _______ is the whitish, half-moon shape at the base of the nail. A. sidewall B. lunula C. root D. free edge
B. lunula
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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
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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
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The ______ is the fold of skin overlapping the side of the nail. A. eponychium B. hyponychium C. nail groove D. sidewall
D. sidewall
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Cosmetology: Chapter 9: Nail Structure and Growth Part 1
TermDefinition
A normal, healthy nail: A. is completely inflexible B. has a spotted surface C. is shiny D. is white and opaque
C. is shiny
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
The _______ is the whitish, half-moon shape at the base of the nail. A. sidewall B. lunula C. root D. free edge
B. 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
A. 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
B. ligament
The ______ is the fold of skin overlapping the side of the nail. A. eponychium B. hyponychium C. nail groove D. sidewall
D. sidewall
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
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
The fingernail on the ________ typically grows the slowest. A. thumb B. middle finger C. pinkie finger D. index finger
A. thumb
The nail has a water content between: A. 10-15% B. 1-5% C. 20-45% D. 15-25%
D. 15-25%
The natural nail is an appendage of the: A. dermis B. epidermis C. skin D. skeleton
C. skin
The appearance of the nails can reflect the general health of the: A. body B. skin C. muscular system D. skeletal system
A. body
The _______ is relatively porous and will allow water to pass through. A. nail bed B. matrix C. nail plate D. eponychium
C. nail plate
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
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
Cosmetologists are allowed to _______ the eponychium. A. cut B. trim C. push back D. file
C. push back
Cuticle moisturizers, softeners and conditioners are not designed to treat the: A. cuticle B. nail plate C. sidewalls D. hyponychium
A. cuticle
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