Layers of the Skin
What are the 3 layers of the skin?
Epidermis, Dermis, and Hypodermis or Subcutaneous
What are the 7 functions of the skin?
Protection, Sensory Perception, Body Temperature Regulation, Storage, Absorption, Excretion, Production
Flat spots on the skin, such as freckles, are know as what kind of rash?
Macular Rash
First degree burs affect what layer of skin?
The outer layer
An inflammation of the sebaceous glands is known as _________.
Acne Vulgaris
What is the middle layer of skin called?
Dermis
The skin protects us from ___ rays and ________.
UV; pathogens
What is an abrasion?
a superficial rub or wearing off of the skin
_____- degree burns affect both the outer and underlying layer of skin.
Second
What causes skin cancer?
exposure to sun; tanning beds, irritating chemicals; radiation
This layer lies under the dermis and consists of loose connective tissue and contains about 1/2 of the body's stored fat.
Hypodermis or Subcutaneous
What helps the body respond to pain?
Sensory Perception
A deep loss of skin surface that may extend into the dermis is an _______.
ulcer
Which burn only causes redness, swelling, and pain?
First-degree burn
What is the treatment for ringworm?
antifungal medications, both oral and topical
The epidermis is the ____ layer of skin. It is made of ___ smaller layers but no blood vessels or _____ cells.
top; five; nerve
What does the skin help the body eliminate? (Excretion)
salt, a small amount of waste, excess water, and help through perspiration
What is a Laceration?
a deep cut or tear in the skin
These burns are also known called full thickness burns and they cause white or blackened skin.
Third-degree burns
The symptoms for this abnormal condition are thick, red areas covered with white or silver scales.
Keratinocytes comprise most of the ______ and produce the protein keratin.
epidermis
When the blood vessels ____, excess heat from the blood can escape from the skin. When the blood vessels _____, the heat is retained in the body.
dilate; constrict
A firm, raised area such as a pimple or and the eruptions seen in some stages of chickenpox and syphilis is known as a _____ rash.
papular
What percent of your body would be burnt if it were only the back of your left leg and your entire right arm?
18%
This is a contagious fungal infection that usually affects the feet.
Athlete's Foot