Chapter 8

Card Set Information

Chapter 8
2009-11-06 12:21:41

Nail Structure and Growth
Show Answers:

  1. Nails are appendages of the skin and therefore part of the _____________ system.
    A. skeletal
    B. endocrine
    C. muscular
    D. integumentary
    (this multiple choice question has been scrambled)
  2. A dehydrated nail:
    a. is weak
    b. is brittle
    c. has a yellow tinge
    d. cannot grow past the free edge
  3. How can you improve the water content of dehydrated nails?
    a. have clients drink 8 glasses of water a day.
    b. have clients use hand cream eery night.
    c. use a cuticle cream every morning
    d. threat the nail plate with an oil-based nail conditioner and keep the nails polished.
  4. The nail is composed mainly of _________.
    a. melanin
    b. keratin
    c. several different proteins
    d. calcium
  5. A healthy nail should contain _ water
    a. 14%
    b. 10 %
    c. 30-50%
    d. 15-25%
  6. 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 the nail plate to the nail bed
    c. anchors nail bed to the underlying bone
    d. provides the underlying support for the nail plate
  7. The visible part of the matrix that extends from underneath the living skin is called the :
    A. lunula
    B. cuticle
    C. eponychium
    D. hyponychium
    (this multiple choice question has been scrambled)
  8. What forms the nail plate?
    a. hyponychium
    b. epithelial tissue
    c. keratin
    d. matrix cells
  9. Poor nail growth can be caused by what?
    a. poor general health
    b. injury to the matrix
    c. nail disorder or disease
    d. all answers
  10. The nail plate consists of approximately __ layers
    a. 10
    b. 100
    c. 500
  11. 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. it is the most active part of the skin
    d. nail growth would be sluggish without it
  12. The primary purpose of the cuticle is to:
    a. do nothing
    b. help shape the nail
    c. hold the nail in place
    d. protect against injury and infection
  13. the fastest nail growth is experienced by:
    a. men
    b. women
    c. children
    d. young adults
  14. Which season is credited for fastest nail growth?
    a. summer
    b. spring
    c. winter
    d. fall
  15. 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. length, width, and curvature of the nail folds
    d. thickness, width, and curvature of the matrix
  16. The ____ nail grows fastest.
    a. middle finger
    b. thumb
    c. index
    d. all nails grow the same
  17. 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
  18. It takes approximately _ for the nail to grow from the base to the free edge.
    a. 4-6 months
    b. 1 month
    c. 9 months
    d. 1 year
  19. How long does it take for a toe nail to grow from the base of the nail bed to the free edge?
    a. 3-4 years
    b. 3-6 mnths
    c. 9 months to 1 year
    d. 6 months to 1 year
  20. A highly curved nail is caused by what?
    a. flat nail bed
    b. injury
    c. highly curved free edge
    d. highly curved matrix
  21. The average adult fingernail grows ________ in 1 month.
    a. 1/10 inch
    b. 1/4 inch
    c. 1/8 inch
    d. 1/3 inch
  22. Nail growth is affected by:
    a. nutrition
    b. exercise
    c. general health
    d. all answers
  23. How does an adequate water content affect nails?
    a. toughens nails
    b. makes mails more flexible
    c. makes mails less flexible
    d. allow polish to remain true to color
  24. 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