Chapter 6: Diseases and Conditions of the Integumentary System: Etiology

Question 1

What is the etiology of Seborrheic Dermatitis

Answer 1

idiopathic; hereditary possibly

Question 2

What is the etiology of Contact Dermatitis

Answer 2

plants- poison ivy, oak, or sumac; other irritants

Question 3

What is the etiology of Atopic Dermatitis (Eczema)

Answer 3

idiopathic; sensitivity to milk, OJ, and other foods

Question 4

What is the etiology of Urticaria

Answer 4

acute hypersensitivity and the release of histamines

Question 5

What is the etiology of Psoriasis

Answer 5

idiopathic; genitically determined; autoimmune?

Question 6

What is the etiology of Rosacea

Answer 6

idiopathic; frequency with blushing suggested; lighter skinned people most common

Question 7

What is the etiology of Acne Vulgaris

Answer 7

Idipathic; hormonal changes of adolescence that affect activity of sebaceous glands

Question 8

What is the etiology of Herpes Zoster (Shingles)

Answer 8

herpes-varicela-zoster virus; lyes dormant in dorsal root ganglia

Question 9

What is the etiology of Impetigo

Answer 9

Streptococcus or Staphylococcus aureus; contagious

Question 10

What is the etiology of Furuncles and Carbuncles

Answer 10

bacterial infection; diabetes; nephritis; other conditions; poor hygiene

Question 11

What is the etiology of Cellulitis

Answer 11

Streptococcus or Staphylococcus that enters skin’s surface via a small cut or lesion

Question 12

What is the etiology of Dermatophytoses

Answer 12

several species of fungi that can invade the skin or nails

Question 13

What is the etiology of Decubitus Ulcers

Answer 13

impairment or lack of blood supply to the affected area of skin

Question 14

What is the etiology of Scabies and Pediculosis

Answer 14

itch mite and lice; where poor personal hygiene is

Question 15

What is the etiology of Actinic Keratosis

Answer 15

cause of lesions vary with the particular lesion

Question 16

What is the etiology of Nonmelanoma Skin Cancers

Answer 16

history of prior sun exposure; SCC

Question 17

What is the etiology of Malignant Melanoma

Answer 17

fair-skin, light-colored hair and eyes, easily burns; closer to equator; tanning beds;

Question 18

What is the etiology of Abnormal Skin Pigmentation

Answer 18

vary according to abnormality

Question 19

What is the etiology of Alopecia

Answer 19

aging or heredity; systemic illnesses; stress

Question 20

What is the etiology of Folliculitis

Answer 20

bacterial infection caused by Staphylococcus aureus; shaving with straight razor

Question 21

What is the etiology of Corns and Calluses

Answer 21

pressence of friction caused by ill-fitting shoes; orthopedic deformities;

Question 22

What is the etiology of Vurrucae (Warts)

Answer 22

caused by a virus and spread by contact with skin shed from wart;

Question 23

What is the etiology of Deformed or Discolored Nails

Answer 23

injury; pressure; poor circulation; many disorders

Question 24

What is the etiology of Paronychia

Answer 24

bacteria-acute infections; fungi-chronic infections