skin anatomy
epidermis
What does the arrector pili muscle raise when cold?
Hair shaft
When extreme, what layer will a pressure ulcer reach?
Fascia
What is the longest hair phase in the lifespan of a hair follicle?
Antagen
Amy is running a marathon in the heat, her skin is dry and her body is extremely warm. She is experiencing heat stroke, what feedback loop is she currently experiencing?
Positive
Whats the 5th layer in thick skin and what kind of cells make it up?
stratum lucidum and squamous
What do blood vessels do when trying to cool the body?
Dilate
What divides in the basale layer causing psoriasis?
hyperactive keratinocytes
What is the visible part of a nail matrix?
Lunula
The skin contains nerve endings that send signals to your brain. If your skin is being stretched, what system is sending the signals?
what order do the skin layers go in?
epidermis, dermis, hypodermis
What kind of feedback loop is psoriasis caused by?
Positive
If both legs were burned, what percentage would be affected?
36%
What are the layers of a hair follicle from superficial to deep?
Cuticle, cortex, medulla
In a second degree burn, what is the deepest layer affected?
What layers are affected when a third degre burn occurs?
Epidermis and dermis
What membrane is affected by a second degree pressure ulcer?
Cutaneous
What type of sweat gland is associated with a hair follicle?
Someone has a compound fracture, what tissues are mainly affected by this?
Bone, muscle, and skin
What layer houses the majority of nerves, arteries, and veins?
hypodermis
Thermoregulation
What causes a wart?
Hyperplasia
What gland produces oil?
When you go swimming, what junction is stopping the chlorine from entering the body cavities?
tight junction