Skin disorders & wounds Flashcards
(37 cards)
what is the heaviest organ ?
skin
how many layers of skin?
epidermis
dermis
subcutaneous
which layer is thin and devoid of blood vessels and divided in to outer horny layer and inner cellular layer
epidermis
which layer Contains connective tissue, sebaceous glands, sweat glands, and hair follicles
dermis
which is the fat layer?
subcutaneous / hypodermis
what is melanin?
the brownish pigment of the skin, genetically determined, increased by sunlight.
what is a golden yellow pigment that exists in subcutaneous gat and in heavily keratinized areas like palms and soles
carotene
what is Oxyhemoglobin
a bright red pigment, predominates in arteries and capillaries.
what is the darker, somewhat bluer pigment from oxyhemoglobin losing its oxygen to the tissues
Deoxyhemoglobin
what are the 2 types of hair?
vellus - short fine
terminal - coarser, thicker
finger nails grow how long in a day?
0.1 mm
True or False. Sweat glands Produce a fatty substance that is secreted onto the skin surface through the hair follicles
False: sebaceous glands
what are the 2 types of sweat glands
- eccrine - control body temp, secrete onto skin surface
2. apocrine - in axillary & groin, open onto hair follicle
What is used in screening moles for melanoma?
A- asymmetry B- borders-- irregular C- change in color D- diameter E- elevation or enlargement
what is turgor
speedc with which, skin returns into place
what is mobility
lift skin and note ease with which it lifts up
what is A slightly but uniformly pigmented macule or patch with a somewhat irregular border.
Café-Au-Lait Spot
what is vitiligo?
Depigmented macules appear on the face, hands, feet, extensor surfaces.
Brown pigment is normal skin while the pale areas are vitiligo
where is jaundice is reliably and most easily seen?
sclera
what is the slapped cheek disease
fifth disease
what is an immune-mediated disease that affects the skin. It occurs when the immune system mistakes the skin cells as a pathogen, and sends out faulty signals that speed up the growth cycle of skin cells.
Presents as silvery scaly lesions
psoriasis
what is eczema?
skin rashes that are characterized by redness, skin edema (swelling), itching and dryness, crusting, flaking, blistering, cracking, oozing, or bleeding.
An allergic disease associated with asthma.
what rash is shaped like a butterfly?
lupus malar rash
what is plaque?
A patch of closely grouped papules