Review
What is a major difference of epidermis from the dermis?
It is avascular
What chronic skin condition causes thick, silver-gray scaly plaques and is autoimmune in nature?
Psoriasis
What is a flat, discolored lesion less than 1 cm, such as a freckle?
Macule
What are the ABCDEs used for?
Skin cancer
What is the first step in assessing a wound?
Determine location, size, and stage
What protein in the epidermis providers a tough, protective layer?
Keratin
What is the bacterial infection of a hair follicle?
Folliculitis
What is an elevated, pus-filled lesion, also known as a pimple?
Pustule
Which type of skin cancer is most common and least aggressive?
Basal cell carcinoma
What categories are included in the Braden Scale?
What is the function of the subcutaneous layer?
Insulation, shock absorption, energy (fat) storage
Which infection causes a red, hot, tender area, often on the legs, and can lead to sepsis if untreated?
Cellulitis
What type of lesion is a deep, irregular skin loss extending into the dermis or subcutaneous tissue?
Ulcer
Which type of skin cancer arises from keratinizing cells and is more aggressive?
Squamous cell carcinoma
What are common signs of wound infection?
Redness, swelling, warmth, purulent drainage, fever, pain
What are the two layers of the dermis?
Papillary and reticular
What viral infection is caused by reactivation of the varicella-zoster virus?
Herpes zoster (shingles)
What does non-blanchable redness over a bony prominence indicate?
Stage 1 pressure injury
What is actinic keratosis?
A premalignant skin lesion
What therapy uses suction to promote wound contraction and remove exudate?
Wound Vac (negative pressure wound therapy)
What is the function of collagen and elastic fibers in the dermis?
Collagen provides strength and hydration, elastic fibers provide elasticity
What fungal infection causes a circular red rash and is commonly known as ringworm?
Tinea corporis
What diagnostic test uses UV light to identify fluorescent organisms on the skin?
Woods lamp test
Increased risk of injury for the elderly are caused by what skin changes?
Thinning epidermis, decreased collagen/elastin, decreased gland activity (dry), decreased perfusion
What type of dressing forms and occlusive barrier and maintains a moist environment?
Hydrocolloid dressing