Integumentary System I
The layer of the skin that contains nerves, blood vessels, sweat glands...
Dermis
The superficial layer of skin.
epidermis
The degree of burn characterized by the presence of blisters.
Which type of burn is classified as a mild sunburn?
First degree burn
The most superficial layer of the epidermis
Stratum Corneum
Name 3 factors that affect skin color
Hemoglobin, carotene, and melanin
the layer of adipose connective tissue that connects skin to muscle and bone.
Hypodermis (Subcutaneous layer)
The subcutaneous layer is also known as the _____.
Hypodermis
Which specialized immune cells reside in the epidermis to defend against invading microorganisms?
Langerhans cells
The layer of the epidermis only found in the palm of hands and soles of feet.
Stratum Lucidum
Exposure to the sun causes the body to produce _____ which gives us a tan.
melanin
Cancer tumors that spread to other parts of the body is commonly know as ______ cancer.
Malignant
The cells that produce melanin.
Melanocytes
What is the pale crescent-shaped area found at the base of the human nail plate called?
Lunula
A blood clot and dried tissue fluids form a ______?
Scab
What structure is responsible for providing unique fingerprints?
Dermal Papillae
The most frequent type of skin cancer.
basal cell carcinoma
The type of burn that causes the tissues and nerves to be completely damaged.
Third degree burns
The type of glands that responds to heat and body temperature.
Eccrine sweat glands
Hypothermia is _____
Temperature lower than normal
Another name for oil gland.
Sebaceous gland
keratin
This type of gland becomes active at puberty; responds to fear, emotions, and sexual arousal.
Apocrine sweat glands
Both sweat and oil glands are considered to be ______ glands because the release their product through ducts.
Exocrine
The white half moon at the base of the nail body.
lunula
How do living epidermal cells receive nutrients despite the epidermis being completely avascular?
Diffusion from dermal vessels
The type of burn characterized by red skin and pain.
First degree.
a chronic skin condition that can be triggered by allergic reactions to chemicals, fabrics, heat, and dryness.
Eczema
What does exposure to the sun produce that is good for the absorption of calcium in our bones?
Vitamin D
Hyperthermia is ______.
Temperature higher than normal.
Name two mechanisms that help regulate body temperature so we do not overheat.
Sweat and Blood vessels dilate releasing heat
Continuous mechanical friction on skin causes stratum corneum thickening (callus) due to what response?
Increased Basal Cell Mitosis
What is the phrase used to describe the body being divided into 11 regions, each accounting for 9% of total body areas?
"Rule of Nines"
Name two mechanisms that helps keep our bodies from losing too much heat.
Goose bumps (shivers) and Blood vessels (arterioles) constrict reducing blood flow
A tissue sample rich in loose connective tissue and fat cells (adipocytes) originates from which region?
Hypodermis