Skin
Identify two (2) functions of the skin.
Cover, Regulate body temperature, Manufacture Vitamin D, Sensory input, Temporary storage of fat, glucose, water and salts, Screen out ultraviolet radiation, Special absorptive properties
Differentiate between the hair root and the hair shaft.
The hair root is embedded in the dermis while the shaft projects from the skin's surface.
Differentiate between sudoriferous and sebaceous glands.
Sudoriferous glands secrete sweat while sebaceous glands secrete sebum.
Acne vulgaris is a common, noncontagious disorder of the ________ glands.
Sebaceous
Which is the treatment for a stage I pressure ulcer?
alleviate the pressure
What are the three pigments that contribute to skin color?
melanin, carotene, and hemoglobin
Which hair structure is associated with goosebumps?
Arrector pili muscle
Describe the structure of a sweat gland
tubular, coiled base and tubelike duct that extends to form a pore on the skin's surface
This skin cancer metastasizes to other areas quickly. Treatment includes chemotherapy and surgical removal of the cancer and surrounding area
Malignant Melanoma
What is the Rule of Nines used for?
To measure the percentage of body burned
Provide the function of two structures within the dermis.
Blood vessels- regulate temperature
Nerve receptors- provide sensory input about temperature, pain, and pressure
Sebaceous glands- secrete sebum
Sweat glands- perspiration
Hair follicles- produce hair
Draw and label a cross section of hair.
Include outer layer cuticle, middle cortex, inner medulla.
What is the function of sebum?
Sebum lubricates the skin keeping it soft and pliable
Which skin disease is characterized by silvery-white scales and affects skin surfaces over the elbows and knees?
Psoriasis
Which layers of skin are involved in a second degree burn?
The epidermis and part of the dermis
Identify the deepest layer of the epidermis.
Stratum basale AKA stratum germinativum
Pigment is located in which layer of hair?
The cortex
Which 4 parts of the body contain the highest concentration of sweat glands?
under arms, palms of hands, soles of feet, forehead
What are ingrown toenails often caused by?
improper nail trimming, tight fitting shoes, injury or repeated pressure
What causes a pressure ulcer to develop?
Constantly sitting or lying in the same position without repositioning or weight shifting. The constant pressure causes a decrease in blood supply and tissue begins to decay
Which conditions may be indicated by erythema?
Allergic reaction, inflammation, embarrassment
Which hair follicle shape causes hair to be curly?
flattened/elliptical shape
Where are ceruminous glands found?
Ear canals (they produce ear wax)
Is impetigo contagious or noncontagious? What causes this skin disease?
Contagious bacterial infection caused by staphylococcus or streptococcus
What are the primary treatment strategies for a third degree burn?
Immediate hospitalization! Treatment emphasizes the prevention of infection and contracture (shortening and hardening of tissue) and fluid replacement. Skin grafts are also possible.