Integumentary System 1
What degree burn is where the epidermis, dermis and Subcutaneous layer are all impacted?
Third degree
Which allows heat to be released through the skin: blood vessel dilation or constriction?
Dilation
Being exposed to the sun can help our bodies make _________________
Vitamin D
Human skin color is determined by what pigment?
melanin
What degree of burn is sunburn?
First degree
What type of hair is fine and covers the fetus?
lanugo
What glands produce earwax?
Ceruminous
The epidermis is the ________________
outer layer of the skin
What is the most abundant sweat gland?
The second and middle layer of the skin is called ___________
dermis
Hair grows as cells in the ___________ ____________
Hair Follicles
The Hypodermis is also known as this
What is the Subcutaneous layer?
What color hair has the lack of melanin; accumulation of air bubbles in shaft
White hair
A pressure injury penetrating to the dermis but not the subcutaneous layer is at which stage?
Stage 2
What are the 3 main parts of hair from superficial to deep?
•The shaft (above the skin surface)
•The follicle (below the level of the skin)
•A root that penetrates into the dermis
(Epithelial root sheath & Dermal root sheath)
What are the 3 layers of the skin in order of most superficial to most internal?
Epidermis, Dermis, Hypodermis/Subcutaneous Fascia
A freckle is an example of which type of skin eruption?
What is a macule?
What gland has the function of preventing hairs from drying out, preventing water loss from skin, keep skin soft, inhibit growth of some bacteria.
sebaceous glands
Nails are made of _____.
keratinized epidermal cells
The subcutaneous layer is comprised of which tissue types?
Areolar & adipose
What are 3 functions of the skin?
Sensory Perception
Temperature Regulation
Protection
Storage
Absorption
Excretion
Production
Name the 4 stages for deep wound healing.
Inflammatory phase- clot forms
Migratory Phase- clot becomes a scab
Proliferative Phase- growth of epithelial cells beneath scab
Maturation Phase- scab comes off and epidermis is restored
List the 4 layers of Thin Still in order from most superficial to deep.
Stratum Corneum
Stratum Granulosum
Stratum Spinosum
Stratum Basale
Name the ABCDE signs for malignant melanoma
•A – asymmetry
•B – border is irregular
•C – color is uneven
•D – diameter is >6mm (pencil eraser)
•E – evolving and changing in size and shape
Name the 3 stages of hair growth?
•Growth stage – cells of matrix divide
•Regression stage – hair moves away from blood supply in papillary and follicle atrophies
•Resting stage – old hair root falls out; new growth begins