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Integumentary System - Medical Terminology Unit2 Chapter 5

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Terms in this set (30)

  • What is the integumentary system?
    The integumentary system includes the skin, hair, and nails and is the body's largest organ system.
  • What are the main functions of the integumentary system?
    Protection, temperature regulation, sensation, and waste disposal.
  • How does the skin regulate body temperature when too hot?
    Evaporation of sweat and dilation of blood vessels in the skin help cool the body.
  • How does the skin conserve heat when the body is too cold?
    Constriction of blood vessels and the fatty subcutaneous layer serve as insulation to conserve heat.
  • What are sensory receptors in the skin responsible for?
    They send information about touch, pressure, temperature, and pain to the brain.
  • Define the root word 'derm/' or 'cutane/'.
    Both mean skin.
  • What does the suffix '-oma' mean?
    It means tumor.
  • What does the prefix 'epi-' mean?
    It means above.
  • What is a lipoma?
    A fatty tumor formed by combining lip- (fat) and -oma (tumor).
  • What is an abrasion?
    A skin injury that scrapes away the surface of the skin, causing redness and pain.
  • What is an abscess?
    A collection of pus in the skin, often with redness, elevation, and pain.
  • What is acne?
    Inflammation of the sebaceous glands and hair follicles.
  • Define alopecia.
    The absence or loss of hair, especially on the head.
  • What is ecchymosis?
    A black-and-blue bruise caused by blood collecting under the skin after trauma.
  • What is erythema?
    Redness of the skin.
  • What is eczema?
    A skin condition with erythema, vesicles, itching, and crusting of unknown cause.
  • What is malignant melanoma?
    A skin cancer originating in melanocytes, with changes in moles or new growths.
  • Define necrosis.
    The death of tissue, usually due to lack of oxygen.
  • What is pruritus?
    Severe itching caused by an allergen.
  • What causes shingles?
    Infection of nerve root by varicella-zoster virus, causing painful skin blisters along nerves.
  • Describe a first-degree burn.
    Mild burn damaging only the epidermis, causing redness but no blisters or scarring.
  • Describe a second-degree burn.
    Burn extending through epidermis into dermis, causing blisters and possible scarring.
  • Describe a third-degree burn.
    Burn damaging full thickness of skin and underlying tissues, requiring skin grafts and causing scarring.
  • What is a biopsy?
    Surgical removal of tissue to examine under a microscope for diagnosis.
  • What is cryosurgery?
    Use of extreme cold to freeze and destroy abnormal tissue.
  • Name three types of dermatological medications.
    Corticosteroids, antibiotics, and antifungals.
  • What does the abbreviation 'ID' stand for?
    Intradermal (injection into the skin).
  • What does the abbreviation 'SubQ' or 'Subcut' mean?
    Subcutaneous (under the skin).
  • What does the abbreviation 'IM' stand for?
    Intramuscular (injection into muscle).
  • What does the abbreviation 'IV' mean?
    Intravenous (injection into a vein).