307 Exam 1 (Modules 1-3) Flashcards
What are the techniques used for a skin assessment?
Inspection and Palpation
What do we Inspect the skin for?
Color, Texture, Integrity
What do we palpate the skin for?
Moisture/Temp, texture, mobility and turgor.
What 3 sources do humans obtain Vitamin D?
Sunlight, Food and Dietary supplements
What 5 functions do the skin have?
Protect inner body parts and organs
Body Temp regulation
Sensor perception of temp, touch and pain
Excrete wastes and toxic substances
Produce Vitamin D
What are three examples of hyperpigmentation?
Birth Marks
Sun Damage
Pregnancy changes
3 examples of hypopigmentation?
Scars, stretch marks and vitiligo
What is Vitiligo?
The lack or absence of the brown melanin pigment
Cyanosis
Blue or Purplish discoloration of the skin (Easiest to see at fingers, lips, toes)
Ecchymosis
Bruising (Bleeding under the skin)
Larger than Petechiae.
Greater than 3mm
Erythema
Redness of the skin caused by the dilation of the superficial capillaries.
Jaundice
Yellow discoloration of the skin and mucous membranes sclerae due to abnormal amounts of bilirubin in the blood.
Pallor
A paleness or decrease of absence of skin coloration.
Petechiae
Small round purplish red spots.
Caused by hemorrhage into the skin.
1-3mm
Atrophic Scars
Have a depression in them from lost of epidermis
Striae and Stretch marks are what type of scars?
Atrophic Scars
Keloid Scars
Extends over the border of original wound and is smooth and rubbery
How long does is take keloid scars to appear after the original injury?
Anywhere from Months-Years
Extremely smooth and velvety skin could indicate what?
Thyroid disease
What is Diaphoresis?
Excessive Precipitation
How should you describe any skin lesions?
Color
Height
Shape
Location
Presence of drainage
Purpura
Collection of petechiae and ecchymosis covering an area.
What are Vascular lesions?
trauma, infection, or disease that allow leakage of capillaries into the dermis
Petechiae/ Purpura and Ecchymosis are what type of lesions?
Vascular
What lesions have a specific triggering agent which cause a change in previously intact skin?
Primary
Freckles, Mole, Measles, Scarlet Fever
Macule (FLAT)
Less than 1CM area of pigment change.
Birthmark, Vitiligo and hormone changes?
Patch (FLAT)
Larger than 1CM area of pigment change
Wart, Elevated Mole, Skin Tag
Papule (RAISED)
Less than 1CM area
Psoriasis, Eczema
Plaque (RAISED)
Larger than 1CM and in a disc shape.
Insect bites, Allergic Reaction and Hives (TB test is also one)
Wheal (RAISED, SOLID)
Irregular area of edema on skin
Melanoma, hemangioma
Nodule (RAISED, SOLID)
Less than 2CM firm area rising from deeper in the dermis
Lipoma and Neoplasm
Tumor (RAISED, SOLID)
Larger than 2CM firm area rising from deeper in the dermis
Varicella chicken pox, shingles (Usually follows a nerve pathway) acute eczema
Vesicle (RAISED AND FLUID FILLED)
less than 1CM and filled with serous fluid
Blister, Medication reaction
Bulla (RAISED AND FLUID FILLED)
greater than 1CM and filled with serous fluid.