Skin, hair, and nails Flashcards
The three layers of skin (and components) are:
-
Epidermis
- Basal cell layer and horny cell
-
dermis
- Elastic tissue/ CT
-
Subcutaneous
- Fat/nerves
What are these types of sweat glands:
- Eccrine gland
- Apocrine gland
Eccrine= Major sweat glands
Apocrine= Help form earwax and scents
What subjective data do you collect for skin in health history?
- Previous skin diseases
- Major changes (moles, hair, color, nails)
- Moisture
- Excessive bruising
- Rashes/lesions
What objective data of the skin would you collect in a Physical exam?
- Skin (inspect and palpate)
- Color (color changes)
- Temperature
- Moisture
During a physical, what are methods to check skin elasticity and normal fluid volume?
- Check for edemas
- Skin turgor (skin returns 2-3 seconds)
How do you check capillary refill pf nails during a physical exam?
- Apply pressure until white
- View how blood returns (>2 seconds= sluggish)
Objective data of nails during physical exam?
- Shape
- consistency
- color
- capillary refill
What are these skin conditions:
- Erythema
- Cyanosis
- Erythema: redness of skin from excess blood (typical of fever/inflammation)
- Cyanosis= Blue skin from decreased oxygenation (shock, heart failure, heart disease)
What are these skin conditions:
- Pallor
- Jaundice
- Pallor= Skin becomes gray/white (anemia, arterial insuffiency)
- Jaundice= Skin becomes yellow (Cirrhosis, hepatitis)
Of the four disorders:
Pallor, jaundice, cyanosis, and erythema
which one should be immediately treated?
Cyanosis (could be life-threatening)
What are the ABCDEs of skin lesions?
Assymetry
Border irregularity
Color variation
Diameter
Elevation
Changes in nails can indicate:
Infections
(clubbing=COPD)
What do these terms mean:
- Alopecia
- Hirsutism
- Alopecia= hair loss
- Hirsutism= excessive hair
What is vitiligo?
Complete absense of melanin
Skin tenting (return >3 seconds) when testing turgor could indicate:
Dehydration, aging, skin breakdown
Where should you begin skin assessments?
Anterior/posterior surfaces of upper and lower extremeties
How do you check edema?
What is the grading scale?
Imprint thumbs 3-4 seconds over ankle/tibia
+4= very deep; +1= no swelling
Unilateral edeam indicates:
Bilateral edeam indicates:
Unilateral: Local/peripheral cause
Bilateral= Heart/kidney failure
Freckles, flat nevi (moles), and measeles are what type of lesion?
Common characteristics are:
Macule lesion
Flat, circular
Elevated nevus (mole), warts, and plaque psoriasis are what type of lesion?
What are the common characteristics?
Papules
Raised, circular
Rhematoid nodules are what type of lesion?
Common characteristics?
Nodules:
Elevated, extend into dermis
Mosquito bites, allergic reactions are what type of skin lesion?
Common characteristics?
Wheal
Raised, irregular
Herpes, chickenpox, and shingles are what type of skin lesion?
Common characteristics?
Vesicle
Elevated, filled with fluid
Blisters and burns are what type of lesion?
Common characteristics?
Bulla
Thin walls
Common characteristics of cysts (lesions) are?
Subcutaneous, fluid-filled
Impetigo and acne are what type of lesions?
Common characteristics?
Pustule
Cavity filled with pus