<p>Chapter 4 Skin and Body Membranes Notes Part 3: Homeostatic Imbalances</p><p>A. Infections 1. Athlete's foot (tinea pedis) a. Caused by ______infection b. What is it: ______2. Boils and carbuncles a. Caused by ______infection b. What is it: ______3. Cold sores a. Caused by a ______b. What is it: ______B. Infections and allergies 1. Contact dermatitis a. Exposures cause______reaction b. What is it: ______2. Impetigo a. Caused by ______infection b. What is it: ______3. Psoriasis a. Cause is ______b. Triggered by trauma, infection, stress c. What is it: ______C. Burns 1. Tissue damage and cell death caused by ______, ______, ______, or ______2. Associated dangers a. ______b. ______c. ______3. Rule of nines a. Way to determine the extent of burns based on ______b. Body is divided into _____ areas for quick examination c. Each area represents about _____ of total body surface area 4. Severity of burns a. ______1) Only ______is damaged 2) Skin is red and swollen 3) Example: ______b. ______1) ______damaged 2) Skin is red with blisters c. ______1) Destroys ______2) Burn is grey-white or black 3) Skin grafting must be done 5. Critical burns a. Burns are considered critical if: 1) Over ______of body has second-degree burns 2) Over ____ of body has third-degree burns 3) There are third-degree burns of the face, hands or feet D. Skin cancer 1. Cancer______2. Classified in two ways a. ______- does not spread (encapsulated) b. ______- (metastasized) moves to other parts of body 3. Skin cancer is most common type of cancer 4. Skin cancer types a. ______1) Least malignant 2) Most common type 3) Arises from stratum ______b. ______1) Metastasizes to lymph nodes if not removed 2) Early removal allows a good chance of cure 3) Believed to be sun-induced 4) Arises from stratum ______c. ______1) Most deadly of skin cancers 2) Cancer of ______3) Metastasizes rapidly into ______d. Detection uses ABCD rule 1) ABCD rule a) A = ______i. ______b) B = ______i. ______c) C = ______i. ______d) D = ______i. ______</p>