skin integrity and wound healing Flashcards by Katie James

Q

name the three layers of the skin

A

-epidermis
-dermis
-subq tissue

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Q

describe the epidermis

A

-outer later
-avascular
-sheds every 7-45 days
-has hair, glands, and nails

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Q

describe the dermis

A

-middle layer, also the thickest
-connective tissue, vascularized
-supports the epidermis

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Q

describe the subQ tissue

A

-bottom layer
-made up of fat and connectve tissue

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Q

name some functions of the integumentary system

A

-protection
-metabolism
-thermoregulation
-elimination
-sensation
-psychosocial
-absorption

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Q

functions of integumentary system

describe protection

A

-protects from physical and chemical injury
-sebum (gives skin acidic pH)
-normal flora
-melanin

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Q

functions of integumentary system

describe metabolism

A

vitamin D

necessary for efficient absorption of Ca++

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Q

functions of integumentary system

describe thermoregulation

A

dilation and constriction of blood vessels

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Q

functions of integumentary system

describe elimination

A

water, electrolytes, wastes

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Q

functions of integumentary system

describe sensation

A

nerve endings in sin provide valuable info and protection

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Q

functions of integumentary system

describe psychosocial

A

-facial expressions
-hair distribution

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Q

functions of integumentary system

describe absorption

A

substances absorbed due to vascularity of the skin

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Q

name some factors that affect the integumentary system

A

-circulation
-nutrition
-condition of epidermis
-allergy
-infection
-abnormal growth rate
-systemic diseases

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Q

factors that affect the integumentary system

describe circulation

A

-maintains cell life
-no circulation = bad

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Q

factors that affect the integumentary system

describe nutrition

A

-adequate intake of vitamins and mineral is important
-helps protect against injury and disease

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Q

factors that affect the integumentary system

describe condition of epidermis

Study These Flashcards

A

-adequate moisture is important
-too dry = break
-too wet = break

Q

factors that affect the integumentary system

describe allergy

Study These Flashcards

A

-histamine release
-rashes, hives, swelling

Q

factors that affect the integumentary system

describe infection

Study These Flashcards

A

too many normal flora = infection

Q

factors that affect the integumentary system

describe abnormal growth rate

Study These Flashcards

A

-psoriasis is an increased rate of growth of skin cells
-mainly effects elbows, knees, scalp, and soles of feet
-systemic inflammation
-periods of remission and exacerbation

Q

factors that affect the integumentary system

describe systemic diseases

Study These Flashcards

A

-PVD -> decreased circulation
-hepatic failure and renal failure
-neuropathy -> cant feel what happens to skin and slower healing

Q

what are some manifestions of altered integumentary function

Study These Flashcards

A

-pain
-pruritus (itching)
-rash
-lesions

Q

what are some different types of alterations in integumentary function?

Study These Flashcards

A

-intentional or unintentional
-open or closed
-acute or chronic

Q

alterations in integumentary function

describe intentional

Study These Flashcards

A

-serve a therapeutic purpose
-wound edges are clean and bleeding is usually controlled
-risk for infection is decreased

Q

alterations in integumentary function

describe unintentional

Study These Flashcards

A

-more prone to infection due to longer healing time
-abrsions, lacerations, puncture wound, thermal
-wound edges are usually jagged and bleeding is uncontrolled

# alterations in integumentary function describe closed

-blunt trauma -skin surface is not broken, damage to soft tissue -examples include ecchymosis and hematoma

# alterations in integumentary function describe acute

-rapid onset -heal in days to weeks -normal healing process

# alterations in integumentary function describe chronic

-more susceptible to infection -no normal healing process, remains in inflammatory phase

# alterations in integumentary function describe open

-occurs from intentional or unintentional trauma -skin surface is broken -bleeding, tissue damage, and increased risk for infection -examples include incisions and abrasions

# developmental considerations children younger than 2 years

-skin is thinner and weaker -an infant's skin and mucous membranes are easily injured and subject to infection -becomes increasingly resistent to injury and infection

# developmental considerations elderly

-maturation of epidermal cells is prolonged, leading to thin, easily damaged skin -circulation and collagen formation are impaired, leading to decreased elasticity and increased risk for tissue damage form pressure