Chapter 6 Flashcards
1
Q
Skin is exposed to abrasion, microorganisms, chemicals and extremes of temp.
What are the 3 barriers that protect the skin?
A
Chemical, physical, biological
2
Q
What is the low PH of skin secretions described as?
A
Acid mantle
3
Q
Name a chemical barrier of the skin
A
Melanin
The low PH slows the multiplication of microorganisms.
4
Q
Sensory receptors are located in the dermis and are actually part of what system?
A
Nervous
5
Q
Skin functions
A
Receptor I.e sensory organ(stimuli such as pain, touch, heat, cold.
Protects against germs and ultraviolet rays (production of melanin).
Synthesises vit D in presence of ultraviolet rays.
Excretes sweat
Regulates amount of water and temp.
