Integumentary Flashcards
What is pruritus
Itching
What is impetigo
Superficial skin infection caused by staphylococci or streptococci
B,ack wounds indicate…
Eschar (dried necrotic tissue)
What’s the zone of hyperemia
Minimal cell injury, cells should recover
What is abrasion
Scraping away of skin due to injury or mechanical abrasion
Is impetigo contagious
Yes
Difference between serous, purulent, and sanguineous drainage
Serous - watery serum
Purulent - pus
Sanguineous- blood
What are apocrine glands
Stimulated by emotional stress
What is psoriasis
Chronic autoimmune disease of skin characterized by erythematous plaques covered with a silvery Scale
What are hydrocolloids
Adhesive wafers containing hyperactive particles that interact with fluid to for, gelatinous mass over wound bed
What’s the zone of stasis
Cells are injured, may die without treatment
A decubitus ulcer is a ______ ulcer
Pressure
What is petechiae
Tiny red or purple hemorrhagic spots on the skin
What’s the zone of coagulation
Cells are irreversibly injured, cell death occurs
What are hydrogels
Water based gels.. insoluble in water
What are eccrine glands
Helps control temperature
Where are sebaceous glands not
Palms and soles
What is ecchymosis
Bluish discoloration of skin caused by extravasation of blood into the subcutaneous tissues
Result of trauma to underlying blood vessels or fragile vessel walls
Difference between allograft and xenograft
Allograft - use of other human skin
Xenograft- use of skin from other species (pig)
Three zones for burn injury
Zone of coagulation
Zone of stasis
Zone of hyperemia
Yellow wounds indicate…
Slough (necrotic or dead tissue)
What are sebaceous glands
Exocrine glands that secrete fatty substance (sebum) through hair follicles
What is a contusion
Injury in which skin is not broken
A bruise
Difference between terminal hair and vellus hair
Terminal - coarse, thick, pigmented (scalp, eyebrows)
Vellus - short, fine (arms, chest)
Is diabetes associated with venous or arterial problems
Arterial
What does the sebum secreted by sebaceous glands do
Lubricate skin
Defends against bacteria and fungus
