Integumentary System
The least severe burn, in which damage is limited to the superficial layers of the epidermis
1st degree burn
a burn that causes redness and blistering as the epidermis and dermis are both damaged
2nd degree burn
The most severe type of burn; includes the entire thickness of the skin
3rd degree burn
A virus which causes a cold sore, an infection of the cutaneous nerves
Herpes simplex
How does our body protect us against bacterial damage?
Acidic secretions inhibit baceria from colonizing, and many phagocytes present in the dermis destroy bacterial invader
How is a blister formed?
After a burn, the dermis epidermis and dermis are forced to separate. When this happens, interstitial fluid accumulates in the cavity between the layers which results in a blister.
Autoimmune condition of hair loss or baldness
Alopecia
An itchy, red, peeling condition of the skin between the toes, resulting from fungus infection
Athlete's foot
The epidermis of the skin is:
Avascular
A raised area on the skin due to an infection of the sebaceous gland, scientific name for the sore we call a zit or pimple
Comedo
Inflammation of the dermis caused by an allergic reaction to touching certain chemicals
Contact dermatitis
Skin is another name for what membrane?
Cutaneous
Condition seen during heart failure, sever breathing disorders, and drowning; the skin turns blue due to the lack of oxygen
Cyanosis
In order to bleed from a shallow cut you must cut into what layer?
Dermis
Pericardium
Double-layered membrane surrounding the heart.
What is the dermis composed of?
dense irregular connective tissue containing collagen and elastic fibers
Sebum is a product of apocrine sweat glands
False because it is secreted by sebaceous glands
where do dermal papillae lie?
Form at the junction between the epidermis and the dermis
Liver disorders often give patients a yellowish color. This condition is known as:
Jaundice
Impetigo is common in:
elementary aged children
How does our body protect us from physical damage?
Keratin toughens cells to provideseveral protective layers and nerve endings sense possible damage before it becomes too sever
The dark colored pigment of the skin is:
Melanin
How does our body protect us from UV radiation?
Melanin absorbs UV rays and prevents penetration to deeper tissues
Digestive tract, Reproductive tract, and Nasal lining are all what?
Mucous membrane
The membrane that line passages open to the outside of the body are called:
Mucous membranes
What is the origin site of cells that are directly responsible for growing nails?
Nail matrix
The membrane that lines the thoracic cavity an surrounds each lung is called the:
Pleural membrane
The making of keratin in the epidermis of the skin functions to:
Prevent underlying structures from drying out
The fluid the exists between the two layers of the pericardium is called:
Serous fluid
Membranes that line the body cavities closed to the exterior and wrap organs directly are called:
Serous membranes
The youngest cells of the epidermis are the ones located in the:
Stratum Basale
What layer of the epidermis is the deepest and perpetually going through mitosis?
Stratum Basale
What layer of the epidermis is the only layer capable of receiving nutrients from the blood supply in the dermis?
Stratum Basale
What layer of the epidermis has 20-50 rows of flattened dead cells which are worn off and accounts for 75% of the skins thickness?
Stratum Corneum
The appearance of fingerprints has to do with which skin structure or layer?
Stratum lucidum
What layer of the epidermis has 3-4 layers of dead cells, presents in palms of hands and soles of feet, contains thick keratinization, and reponsible for pruning of hands and feet?
Stratum lucidum
The most common form of acne
acne vulgaris
What layer is of the epidermis is the youngest layer of cells and has a spiny appearance?
Stratum spinosuma
Possible causes of physical damage:
Stubbing your toe and walking barefoot
Possible causes of UV radiation
Sun and tanning beds
The bacteria that may become trapped under the surface of the skin due to the blockage of a sebaceous gland that results in the formation of zits
cutibacterium acnes
If the water of a swimming pool is hypotonic to our cells and body fluids, then why do we not swell and pop when we go for a swim?
The keratin in our epidermis makes the layers waterproof, which prevents water from diffusing into our cells
Carotene is a pigment that produces a yellowish-orange hue to the skin
True
Sweat glands are also known as sudoriferous glands
True
What is released in sweat?
Urea, ammonia, and salts
The portion of the serous membrane that directly surrounds internal organs is known as the:
Visceral serosa
What does the ABCD rule stand for?
asymmetry, border irregularity, color, diameter
What is the function of subcutaneous tissue?
attaches skin to underlying bone, muscle and supplies it with blood vessels and nerves.
Inflammation of a hair follicle which develops an infection
boils
A localized rupture of blood vessels in the dermis layer
hematoma
Most dangerous skin cancers often appearing black, brown, or red; has roughly 50% survival rate
malignant melanoma
congential inherited disease that is characterized by the presence of small, round skin elevations that are covered in dry, silvery, flaky skin; often triggered by trauma, infection, hormonal changes, or stress, but the cause if unknown
psoriasis
What is the epidermis composed of?
stratified squamous epithelium
Causes of bacterial damage
touching raw chicken and taking care of a sick person
A structure caused by cells reproducing rapidly, can be described as malignant or benign
tumor