IS: Nails

Question 1

Nails contain […] keratin.

Answer 1

hard

Question 2

Each nail has what 3 features:

Answer 2

1. proximal root– embedded in the skin
2. nail plate/body– visible attached portion
3. free edge– hyponychium

Question 3

What does the nail rest on?

Answer 3

a bed of epidermis called the nail bed

Question 4

The nail corresponds to superficial […] layers.

Answer 4

keratinized

Question 5

Where is the nail matrix? What is it responsible for?

Answer 5

thickened proximal (point of attachment) portion of the nail bed

nail growth

Question 6

Why do nails appear pink?

Answer 6

rich bed of capillaries in the underlying dermis

Question 7

Nail folds are […] (folds) at the proximal and lateral borders.

Answer 7

overlapping skin

Question 8

What is the area below the nail (free end)?

Answer 8

hyponychium