Exam 3 - Skin Flashcards
What system is the skin a part of
Integumentary system
What are the skins functions
Barrier (fluid loss, UV rays), lymphocytes, antigen presenting cells
What vitamin is helped produced by the skin
Vitamin D
What layers of the epidermis is associated with pathologies
Stratum corneum, stratum basale
What is all the stuff that make up the skin
Adnexa
What macroscopic term describes flat discoloration
Macule
What macroscopic term describes skin elevated dome
Papule
What macroscopic term describes skin flat topped elevation
Plaque
What macroscopic term describes skin dry, horny, plate like growth
Scale
What macroscopic term describes skin with fluid filled area (<5mm)
Vesicle
What macroscopic term describes skin with a fluid filled area greater than 5 mm
Bulla
What macroscopic term describes skin with a raised area of edema (hive)
Wheal
What macroscopic term describes skin with a loss of keratinocyte adhesion
Acantholysis
What macroscopic term describes skin with epidermal hyperplasia
Acanthosis
What macroscopic term describes skin with hyperplasia of stratum corneum
Hyperkeratosis
What macroscopic term describes skin with intracellular epidermal edema
Spongiosis
What are 4 acute inflammatory dermatoses
Urticaria, acute eczematous dermatitis, erythem multiform, acne
What is the alternate name for urticaria
Hives/welts
Urticaria is mc what type of reaction
Type 1 hypersensitivity allergic reaction causing vasodilation of upper dermis
What skin problem is characterized by Red lesions that are rounded papules that itche (wheals)
Urticaria
What type of urticaria deals with common allergens
IgE dependent
What type of urticaria deals with ADR (opiates, antibiotics)
IgE independent
What age is most likley to get urticaria
Ages 20-40
What type of urticaria is caused from leaning/sitting, backpacks, tools
Pressure uticaria
What skin condition deals with excessive complement activation, dermal edema, and is inherited C1 esterase inhibitor deficiency
Hereditary angioedema
What type of deficiency is associated with hereditary angioedema
C1 esterase inhibitor deficiency
What condition is a skin rash produced from different stimuli that is itchy and has variable appearances (redness, blister, flaking)
Actue eczematous dermatitis (eczema)
What type of eczema produces red, vesicles, oozing, crusting
Acute
What type of eczema has scaling plaque
Chronic
What is the range of eczema
Spongiosis and hyperkeratosis
What type of hypersensitivities deals with eczema
Type 1 and 4
What can cause more trauma with eczema
Scratching
What type of hypersensitivity has a delayed reaction
Type 4 hypersensitivity
What is the most common form of eczema
Allergic contact dermatitis (type 4 hyper)
What type of eczema deals with CD4 and T cell sensitizaiton and is limited to the contact site
Eczema
What type of eczema has a genetic risk, childhood onset, family history and usually improves with age
Atopic dermatitis (eczema)
What is the descriptor of family history of atopy that is with eczema associated with dermatitis, asthma, rhinitis
The atopic triad
What is the atopic triad
Dermatitis, asthma, rhinitis
What is a rare skin condition that is characterized by a broad range of severity and has a red macule with a pale eroded center
Erythema multiforme
What condition has “targetoid” skin lesions and possible vesicles/bullae
Erythema multiforme