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