A+P: Peds Integumentary Flashcards
1
Q
What is the role of skin in a newborn? (6)
A
- barrier to water loss & irritants
- infx control
- resilience to mechanical trauma
- tactile discriminations
- thermal regulation
- aside mantle formation
2
Q
What are the 3 physiologic layers of the skin?
A
- Stratum corneum
- Viable epidermis
- Dermis
3
Q
What are the functions of the stratum corneum?
A
- main barrier to water loss
- 1st line barrier of dense
4
Q
Function of the viable epidermis?
A
area where melanocytes are produced
5
Q
Skin events: week 3 of gestation
A
single layer cuboidal cells develops from the embryonic ectoderm to form early epidermis
6
Q
Skin events: week 11 of gestation
A
epidermis becomes basal, intermediate & superficial (periderm) layers
7
Q
Describe periderm cells.
A
replaced continuously until 21 weeks when it is completely shed & replaced by the stratum corneum
8
Q
A
8
Q
How is fetal lung maturity related to sebaceous glands?
A
- Fetal lung maturity parallels w/ sebaceous gland peak activity
- incr physiological []s of pulm surfactant emulsifies surface vernix
8
Q
A
9
Q
A
10
Q
A
11
Q
A
11
Q
A
12
Q
A
