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Integumentary Review
Question | Answer |
---|---|
Define skin | largest organ of the body |
important functions | regulates sensations protects against sun regulates body temperature prevents dehydration resviour for food and water synthesizes Vitamin D |
Describe first degree burns | erythema hyperesthesia superfical burns only injures the epidermis |
describe immunotherapy | Biotherapy a newer treatment that stimulates the body's own immune defenses to fight tumour cells |
Describe in situ and invasive | insitu confined to the original site invasive penetrate the surrounding tissue |
Describe sebaceous glands | secretes sebum causes acne present over entire body except soles and palms |
Describe second degree burns | partial thickness burns damage epidermis and part of dermis vesicle or buille form |
Describe the subcutaneous layer | hypodermis binds dermis to underlying structures composed of connective and adipose tissue stores fat, insulates and cushions body regulates body temperature |
Describe third degree burns | full thickness burns epidermis and dermis are destroyed waxy and charred |
How is hair colour determined | the amount of pigment produced by epidermal melanocytes |
What are two most important sublayers of the epidermis and where are they located | stratum corneum (outer) basal layer (inner) |
What do melanocytes produce and what is their functions | melanin protects skin from ultraviolet radiation from the sun |
What happens to new skin cells as they move towards the stratum corneum | they die |
what is a dermatologist | the physion who specalizes in diagnosis and treatment of skin disease |
What is a pathologist | grade and stage tumours |
What is the most common type of skin cancer | basal cell carcinoma |