• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/93

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

93 Cards in this Set

  • Front
  • Back
Skin may be one of the most underestimated organs in the body. List six functions your skin performs while it is "just laying there".

1. Temperature regulation


2. Protection of underlying tissues


3. Retardation of water loss


4. Housing sensory receptors


5. Synthesizing certain chemicals


6. Excreting wastes



The outer layer of the skin is the _______.
The epidermis
The inner layer of the skin is the _______.

The dermis

Which layer of the skin is the thickest?
The dermis
What is the subcutaneous layer also called?
The hypodermis
Most numerous cell type, this cell produces keratin which helps to waterproof skin.

Keratinocytes



This type of cell produces the pigments which give skin its color.
Melanocytes
The epidermis is _________, that is that it has no blood supply of its own, similar to epithelial tissue.
Stratified squamous
What are sweat glands also called?
Sudoriferous glands
If this gland's duct becomes blocked by sebum, it can lead to acne.
Sebaceous glands
Present in the axillary and genital areas of body and function during puberty.
Apocrine glands
Uncontrolled cell growth
Cancer

A fungus infection that invades and lives off of the dead outer layers of the skin.

Athlete's foot

A sometimes hereditary, chronic condition characterized by reddened epidermal lesions covered with dry, silvery scales.
Psoriasis
An inflammatory condition of infected sebaceous glands.
Acne
Tissue injury caused by thermal, electrical, chemical or radioactive sources.
Burns
The layer of the skin that lacks blood vessels.
Epidermis
The dermis contains:

1. Hair follicles


2. Sebaceous glands


3. Nerves

The color of the skin depends upon:

1. Whether the blood within the skin is well oxygenated.


2. The number of underlying blood vessels.


3. The kind and amount of pigment.

Which layer of the epidermis would be gradually shed through bathing?
Stratum corneum
The amount of melanin produced in the skin is determined by the:

Activity of melanocytes

Which epidermal layer is closest to a blood supply?
Stratum basale
What layer of tissue is unique to the hands and feet?
Stratum lucidum
The subcutaneous layer of the skin or hypodermis is located where?
Beneath the dermis
The dermis is composed largely of:
Fibrous connective tissue
The cells that produce the shaft of a hair are:
Epithelial cells
When the blood vessels in the dermis contract or constrict...
Body heat is conserved
The dermis is usually thicker than the _____.
Epidermis
The epidermis is composed of _______.
Stratified squamous epithelium
What contains sweat glands and sebaceous glands?

The dermis

As cells are pushed from the deeper portion of the epidermis toward the surface...
They tend to die
The skin functions to:

1. Retard water loss from deeper tissues.


2. Protect underlying organs.


3. Regulate body temperature.

What is a method for helping prevent pressure (decubitus) ulcer formation?
Frequent position changes
Epidermal cells are supplied with nutrients from blood vessels located in the ______.
Dermis
Pressure ulcers are usually associated with skin overlying _______.
Bony projections
Acne is a disorder involving the ________.
Sebaceous glands
In healthy skin, the production of epidermal cells is closely balanced with the loss of ______.
Skin cells

The outermost layer of the epidermis is the _______.
Stratum corneum
The innermost layer of the epidermis is the _______.
Stratum basale
Skin and hair color is determined by:
Genetics and melanin
What is responsible for "goose bumps"?
The arrector pili muscle
_______ is the normal response to a wound.
Inflammation
Oil glands
Sebaceous glands
The pigment produced by melanocytes.
Melanin
The _______ tissue of the hypodermis acts as a heat insulator.
Adipose
As the nail is formed it grows over and lies on the area known as the _______.
Nail bed
Sweat glands release their secretions through tiny ______ onto the surface of the skin.
Pores
A whitish, half-moon shaped area at the base of the nail, called the ________, is the growing region of the nail.
Lunula
The epidermis and the dermis are separated by a thin ________.
Basement membrane
Every hair develops from a group of ________.



Epidermal cells

Every hair develops from a group of epidermal cells at the base of a tube-like depression called a ________.

Hair follicle
What is responsible for giving nails their hardness?

Keratin

A bundle of smooth muscle cells.
Arrector pili muscle
Sweat glands

Sudoriferous glands

Glands that respond to body temperature.

Epocrine and apocrine glands

Released in the brain that provides natural pain control.

Endorphins

Blonde and red hair have this.

Pheomelanin

Found in dark hair.

Eumelanin

The most actively growing region of the nail root

Lunula

A scar.

Keloid

Tissue response to stress that causes blood vessel dilation and fluid accumulation in the affected region.

Inflammation

Tissue response to stress that causes blood vessel dilation and fluid accumulation in the affected region.

Inflammation

Tissue response to stress that causes blood vessel dilation and fluid accumulation in the affected region.

Inflammation

A portion of the brain.
Hypothalamus

The subcutaneous layer.
Hypodermis
Respond to temperature differences.
Thermoreceptors
Respond to changes in pressure or movement.
Mechanoreceptors
Respond to light energy (rods and cones in the retina of the eyes).
Photoreceptors

Small fluid filled blisters that itch and sting.

Cold Sores

Fever blisters that are caused by herpes simples infection.

Cold Sores
Cancerous
Malignant
Non-Cancerous
Benign
Itching, redness, and swelling of the skin, progressing to blistering.
Contact Dermatitis
Caused by exposure of the skin to chemicals like poison ivy and poison oak that provoke allergic responses.
Contact Dermatitis
Pink, water-filled raised lesions that develop a yellow crust and eventually rupture.
Impetigo
Caused by a highly contagious staphylococcus infection.
Impetigo
An abnormal yellow skin tone usually indicates a liver disorder in which excess bile pigments are absorbed into the blood, circulated throughout the body, and deposited in body tissues.
Jaundice
Restriction of blood supply to the skin that results in cell death, and if severe or prolonged, ulcers.
Decubitus ulcer
Occurs in bedridden patients who are not turned regularly.
Decubitus ulcer

3rd Degree Burns

  • Destroy the entire thickness of the skin.
  • Appears gray-white or blackened.
  • Nerve endings are destroyed so the burn is not painful.
  • Regeneration is not possible.
  • Skin grafting must be done to cover the underlying exposed tissues.
Least malignant and most common caner. Full cure rate in 99% of patients.
Basal Cell Carcinoma
Believe to be sun induced. If it is caught early and removed surgically, there is a good chance of a complete cure.

Squamous Cell


Carcinoma

The two sides of the


pigmented spot of mole do not match.

Asymmetry
The borders of the lesion are not smooth but exhibit indentations.
Border Irregularity

The pigmented spot


contains areas of


different colors.

Color
The spot is larger than 6mm in diameter (size of a pencil eraser).
Diameter
What does the ABCD rule depend on?
  • Asymmetry
  • Border Irregularity
  • Color
  • Diameter
The subcutaneous layer.
Hypodermis

Result of an overly


aggressive healing


process that may affect mobility. Extends


beyond the original


injury.

Keloid
What are some possible treatments for keloid scars?

Surgical removal or


injections with steroids

Itchy fungal infection of the toes.
Athlete's Foot

Is composed of loose connective tissue and insulating adipose


tissue. It binds the skin to underlying organs and contains the blood vessels that supply the skin.

Subcutaneous Layer (Hypodermis)