Nail Disorders Flashcards
1
Q
Which layer is absent in nail plate ?
A
S.granulosum
2
Q
Lunula represents what part ??
A
Distal nail matrix
3
Q
At what week does nail plate appear?
A
W15
4
Q
Nail growth rate ?
A
Fingernail : 3mm/m
Toenail: 1mm/m
5
Q
Which nail part contains melanocytes ??
A
Nail matrix
6
Q
Nail disorders secondary to nail bed problems?
A
1- onycholysis
2- subungual hyperkeratosis
3- splinter H
4- apparent leukonychia
7
Q
Nail disorders secondary to distal nail matrix problems?
A
True leukonychia lol
8
Q
What is beaus line ?
A
Transverse depression at center of nail plate
9
Q
Causes of beaus line ?
A
Onycotillomania
Atopic dermatitis
Paronychia
Cytotoxic drugs (chemo)
