T1 - Skin Assessment (Josh) Flashcards
What is the largest organ of the body?
skin
The skin is a site of metabolic activity. What does it do?
activates Vitamin D
Which layer of skin is the site of Vit D activation?
epidermis
***doesn’t have own blood supply
What is the main component of dermal tissue?
collagen
Which layer of skin contains capillaries, lymph vessels, and sensory nerves?
dermis
What are the pigment-producing cells of the skin called?
melanocytes
What are the 3 layers of skin?
Epidermis (outer)
Dermis (middle)
Subcutaneous (inner)
What are the 3 layers of the Epidermis?
Stratum Coreum (outer)
Stratum Granulosum (middle)
Basal Layer (inner)
What is the time frame for epidermis regeneration?
28-45 days
Which layer of skin is made up of fat, smooth and areolar tissue?
What is purpose of this layer?
Subq layer
- heat insulator
- shock absorber
- nutritional deposits
What are the main 2 components of the dermis?
Collage
Elastic Fibers
Dermis:
Collagen is produced by — cells
fibroblast
What all is contained in the Dermis?
Blood Vessels
Sweat and Sebaceaous Glands
Hair Follicles
Nerves to skin
Sensory fibers
Capillaries
Mast Cells (secretion, phagocytosis, production of fibroblasts)
Which layer of skin contains the Mast Cells?
Dermis
Name this skin layer:
- Vitamin D is regulated
- Temperature regulation
- Transmits sensations
- Homeostasis
Epidermis
Skin Cells:
— provide skin color
— help regenerate skin
melanocyts
keratinocytes
Nail Anatomy:
Where is keratin produced and new growth of a nail begins?
Lunula (white part of cuticle)
What is purpose of sebaceous glands?
sebum provides lubrication and waterproofing of skin
What are the 2 types of Sweat Glands?
Eccrine (over entire skin surface)
Apocrine (axillae, nipple areolae, periumbilicus, perineal areas)
***causes odor
What are some health problems we should assess for that can cause skin damage?
Liver problems (jaundice)
Kidney problems
Diabetes
COPD
What is the the rubric for assessing skin lesions (moles)?
ABCDE
A - assymetry of shape B - border irregularity C - color variation within one lesion D - diameter greater than 6 mm E - evolving or changin features
When we inspect skin, what signs are we looking for?
Edema
Moisture
Vascular Changes
What are some age-related changes we should look for in skin assessment?
Senile (cherry) agniomas
Xerosis
Wrinkles (due to less collagen)
Paper-thin, transparent skin (due to less subq tissue)
Actinic Lentigo (liver spots)
What is Petechiae a sign of?
increased capillary fragility and venous stasis
Lesions (Moles):
A — is a flat rash.
A — is a raised rash
Macular
Papular
How do we assess skin temp?
with back of hand
What is Paronychia?
swelling around the nail bed
Diagnostic Tests:
What does KOH Test assess for?
Fungal Infections
***KOH stands for Potassium Hydroxide
Diagnostic Tests:
What is benefit of KOH test?
can be done quickly in physician’s office
***doesn’t identify specific fungus, but just if it is fungal or not
Diagnostic Tests:
What does C and S Test assess for?
Bacterial Infections
***requires unroofing (get underneath top)
Diagnostic Tests:
Which test assess for Viral Infections on skin?
Tzanck Smear
***they will do a gram stain
Diagnostic Tests:
Which test allows examination of pigment changes in light-skinned patients?
Wood’s Light Examination
Skin Biopsy:
What are the different types of skin biopsy?
Excisional
Incisional
Shave
Punch
Skin Biopsy:
Which type is it when the lesion is removed with margin of normal skin down to adipose tissue?
Excisional
Skin Biopsy:
Which type is it when there is a cross-section wedge of tissue through center of lesion?
Incisional
Skin Biopsy:
Which type is it where there is a horizontal shave of the skin lesion with only superficial portion of dermis?
Shave
Skin Biopsy:
Which type is used to sample possible cancers, tumors, or inflammatory skin conditions?
Punch
Which ethnic group has the highest incidence of melanoma?
White
Evaporation of water contained in the sweat from ECCRINE glands can cause the body to lose — of fluid in a day.
10-12 L
Untreated dandruff can lead to — —
hair loss