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NRSG 3530: Health promotion > Chapter 8 > Flashcards

Chapter 8 Flashcards

Skin Disorders

1
Q

Skin functions

A

Protect against microorganisms
Protect against UV radiation
Prevent loss of body fluids
Protect against mechanical stress
Regulate body temperature
Produce vitamin D
Facilitate sensation

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2
Q

Three layers of skin

A

Epidermis - Dermis - Subcutaneous (hypodermis)

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3
Q

Epidermis

A

epithelial tissue and 5 layers

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4
Q

5 layers of Epidermis

A

A. Stratum basale
B. Stratum spinosum
C. Stratum granulosum
D. Stratum lucidum
E. Stratum corneum

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5
Q

Dermis

A

consists mainly of connective tissue and contains hair follicles, sebaceous glands, and eccrine glands.

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6
Q

Subcutaneous layer

A

connective tissue, mostly adipose.

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7
Q

Pruritus

A

Pain or itching

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8
Q

Biopsy

A

can help detect a malignancy

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9
Q

Antihistamine

A

Used to treat pruritus

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10
Q

Why are skin lesions itchy

A

Bacterial infections and reactions caused by allergens may spur the release of histamines, which can cause inflammation and pruritus, or itching, by stimulating the many sensory nerve endings in the skin. Antihistamines and glucocorticoids may be prescribed to relieve itching, and further pruritus may be prevented with the use of topical antiallergen creams and ointments.

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11
Q

Contact Dermatitis

A

Exposure to allergen - red edematous skin, direct chemical contact, poison ivy

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12
Q

Urticaria

A

Hives - Hypersensitivity reaction, erythematoys lesions, can happen in throat

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13
Q

Atopic dermatitis

A

Eczema - common in infants and can progress to adulthood, inherited tendency towards allergic conditions, dry and scaly (lichenification), eosinophilia

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14
Q

Psoriasis

A

Chronic inflammation skin disorder, associated with T-cell Activation, keratinocyte proliferation and increased cytokines

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15
Q

Pemphigus

A

Autoimmune disorder that has various types. causes autoantibodies to disrupt cohesion between epidermal cells causing blider formation and spread

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16
Q

Scleroderma

A

Purely integumentary or may be systemic affecting viscera. Collagen deposition causes inflammation and fibrosis. hard and shiney skin, can affect face and various other organs

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17
Q

Dupuytrens Contracture

A

Contraction of finger tissues and results in deformed hands - cause unknown

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18
Q

Which of these characteristics is not descriptive of a furuncle?
a. Typically caused by S. aureus
b. May result in the formation of a carbuncle
c. Often caused by a viral infection
d. May develop into an abscess

19
Q

Which of these characteristics is not descriptive of impetigo?
a. Accompanied by pruritus
b. Caused by Staphylococcus aureus
c. Not typical in infants and children
d. Often requires systemic antibiotics

20
Q

Which of these characteristics is not descriptive of necrotizing fasciitis?
a. Typically caused by a viral infection
b. nvolves such systemic effects as fever, tachycardia, and organ failure
c. May be treated with antimicrobial drugs and excision of tissue
d. May begin as a minor skin trauma or infection

21
Q

Cold Sores

A

Herpes simplex 1 (mouth) & 2 (genital). presence of blister may give rise to keratitis and can recur with sun exposure

22
Q

Verrucae

A

Warts. caused by different strains of HPV. treated with salicylic acid

23
Q

Tinea capitis

A

Fungal infection of scalp

24
Q

Tinea Corpora’s

A

Fungal infection of body, particularly nonhairy parts

25
Q

Tinea pedis

A

Athletes foot

26
Q

Tinea Unguium

A

Fungal infection of the nails

27
Q

Scabies

A

Caused by mites, burrowing found in webs of fingers and wrists, but can be found anywhere, may cause erythema.

28
Q

Pediculosis

A

Caused by lice feeding on blood, infestation is usually in hair and pubic area. topical malathion.

29
Q

Seborrheic keratosis

A

Benign tumor caused by basal cell proliferation

30
Q

Squamous cell carcinoma

A

May develop from leukoplakia

31
Q

Develops from melanocytes

32
Q

associated with HIV infection

A

Kaposi sarcoma

33
Q

Sweat glands located all over the surface of the body are called

34
Q

Although the primary cause of scleroderma is unkown, every case involves the presence of

A

Collagen deposits

35
Q

Furuncles are mostly caused by

A

Staph. aureus

36
Q

Necrotizing fascitis is mostly caused by

A

Group A beta-hemolytic streptococcus

37
Q

most common cause of warts

38
Q

scabies is caused by

39
Q

seborrheic keratosis is a result of

A

PRoliferation of basal cells

40
Q

squamous cell carcinoma is a tumor of the

41
Q

melanomas develop from

A

melanocytes

42
Q

Kaposi sarcoma is associated with

A

HIV infection

43
Q

Pediculosis is caused by

NRSG 3530: Health promotion (3 decks)

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