What are three layers of the skin?
epidermis, dermis, hypodermis
How does the skin regulate temperature?
through sweating, vasodilation, and vasoconstriction
What causes impetigo?
Staphylococcus and Streptococcus
What does pallor indicate?
paleness of the skin
How is impetigo treated?
common bacterial skin infection
What protein makes skin waterproof?
keratin
What sensory functions does the skin have?
detect touch, pressure, vibration, temperature, and pain
What are signs of acne vulgaris?
blackheads, zits, pimples, pus-filled bumps, red bumps, whiteheads
What is cyanosis?
blue skin due to the lack of oxygen
topic retinoids
What pigment is produced by melanocytes?
melanin
How is Vitamin D synthesized?
exposure to UV radiation with wavelength
What is tinea pedis?
athletes foot
What is alopecia?
hair loss
What is the treatment for scabies?
antiparasitic permethrin cream 5%
What anchors the dermis to the epidermis?
basement membrane
What waste products are excreted through skin?
water, salts, and small amounts of urea
What causes scables?
itch mite
What is capillary refill used to assess?
blood flow to tissues and dehydration
How are burns treated?
cold water, analgesics, aloe vera, OTC lidocaine
What is the function of the hypodermis?
a layer of insulation, a shock absorber, and an energy reserve for the body
How does melanin protect the body?
absorbing UV radiation
Asymmetry, border, color, diameter, evolving
What is petechiae?
red or purple spots that appear on the skin due to bleeding under the skin
What is Mohs surgery?
removing layers of the skin until only cancer free skin remains