The Integumentary System Flashcards
What are the parts of the integumentary system?
Skin, hair, sweat glands
The largest body organ is…
The skin
What are the three main skin layers?
Epidermis, dermis, hypodermis
The most OUTER layer of the epidermis is…
Stratum corneum
What are the functions of the dermis?
Immunity to disease
Excretion
Sensation
The stratum lucidum is a skin layer found primarily…
Palms of hands and soles of feet
Arteries carry blood…
Toward the skin
Veins carry blood
Away from the skin
What are the function is hair?
Provides protection and decreases heat loss
Hair color is primarily due to…
The pigment melanin
The ___ is the portion of the hair that penetrates into the dermis
Root
____ are generally connected to hair follicles?
Sebaceous glands
Sebaceous glands secrete
Oily substance called sebum
What are the function of the sweat glands?
Removing metabolic waste
Regulation body temp
The muscle that might cause hair to stand on your neck
Arrecror pizza
What are some factors that could lead to skin cancer?
UV radiation
Sunlight
Chemicals
A benign cancer is
Not spreading to other areas
These start out as a shiny nodule, and develop into an ulcer with a raised beaded edge
Basal cell carcinoma
Which type of cancer is most likely to occur on the scalp, ears, back of hand, and lower lip?
Squamous cell carcinoma
The cure rate for basal cell carcinoma is
99%
____ usually appears as a spreading brown or black patch
Melanoma
Which skin cancer has a survival rate offed only about 50%?
Malignant melanoma
What are the life threatening results of severe burns?
Dehydration
Infections
What conditions could cause burns to be considered critical?
3rd degree burns on more than 10% of the body
2nd degree burns on more than 25% of the body
3rd degree burns to hands or feet
Facial burns are extremely dangerous because
Respiratory passages could sweep causing breathing problems
Which type of burn damages only the epidermis
1st degree burns
Which type of burns destroys all skin layers?
3rd degree
Cold sores are caused by
Herpes simplex virus
Staphylococcus infections cause
Impetigo (staph infections)
Athletes foot is caused by
A fungus
What are some things that might cause dermititis?
Poison ivy, detergents, or other chemicals
Anything that could cause an allergic response
List the ABCDE rule for recognizing melanoma
A- asymmetry B- border irregularity C- color D- diameter E- elevated
