Chap. 5
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The Integumentary system contains: | Skin,hair, nails,sweat glands & oil glands
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| What are the 5 purposes of the skin? | protect the body, regulate body temp., sensory receptors,Absorb vitamins, Provide elimination of waste through sweat
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| How does the skin regulate body temperature? | prevents excess loss of heat to keep our organs and us warm. Sweat glands release fluid which cools body temp when it evaporates.
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| How does the skin protect the body? | Protects from the entrance of microorganisms. protects against injury to underlying bony structures.
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| How do sensory receptors in the skin work? | They sense touch,pressure, pain and temperature.
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| How does the body eliminate waste through the skin? | Through perspiration, water, sodium and fat substances.
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| Which Vitamin is essential for bone growth? | Vitamin D which is absorbed through the skin from the sun.
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| The study of the skin is called | dermatology
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| The physician who specializes in the stucy of the skin is called a | dermatologist
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| The Outer Layer of the skin is what and contains what? | Epidermis- contains no blood or nerves
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| What is another name for Dermis? | Corium
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| What does the Corium contain? | tissue,capillaries,sweat & oil glands, nerve endings and Hair follicles.
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| What is the Subcutaneous layer made up of? | adipose(fatty)tissue, many nerves,vessels, sweat glands&hair roots.
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| What role does the Subcutaneous layer play in our body? | connects skin to muscles.Serves as insulation to the body&protects deeper tissue.
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| Where is the Hair root embedded? | in the hair Follicle
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| What colors does Melanin provide? | Brown or Black
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| What is the part of the hair we see? | Hair shaft
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| Melanin+Iron | Red hair
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| Absence of Melanin | White hair
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| Reduced Melanin | Grey hair
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| What is the purpose of the nail? | to provide protection to fingertips and toes.
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| What is the crescent-shaped white area at the base of a nail? | Lunula
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| What is the Cuticle? | fold of skin at the base of the
nail
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| What is the nail body also known as? | the Main Portion of the nail
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| What glands are deep within the Dermis? | Sudoriferous(sweat,perspiration)
& sebaceous glands
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| Where are the many glands located? | palms of hands,soles of feet,
forehead and armpit.
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| Does sweat itself smell bad? | NO, it is odorless. It only
smells when mixed with
BACTERIA
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| If you have body odor what type of soap should you use? | Antibacterial
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| What is another name for Sebaceous glands? | oil glands
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| What to Sebaceous glands secrete? | Sebum
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| Where is Sebum secreted? | up the hair shaft,lubricating
the hair keeping the skin soft&
moist.
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| If the Sebaceous gland becomes blocked(usually at the pore) what happens? | you get a pimple or blackhead.
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| what does the Ceruminous gland produce? | Cerumen, which lubricates the
skin in the ear canal.
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| thin flakes of hardened epithelium shed from the epidermis | Scales
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| A small brownish or flesh colored outgrowth of skin.Occurring frequently on the neck AKA Cutaneous papilloma | skin tags or cutaneous papilloma
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| A sweat gland | Sudoriferous gland
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| tiny structures w/in the epidermis that produce sweat, which carries waste products to the surface of the skin for excretion | sweat gland AKA Sudoriferous gland
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| A circumscribed open sore or lesion of skin that is accompanied by inflammation. | Ulcer
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| Small stalk-like growth that protrudes upward or outward from a mucous membrane surface, resembling a mushroom stalk. | polyp
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| Small,pinpoint hemorrhages of the skin. | Petechia
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| A small,solid,circumscribed elevation on the skin. | Papule
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| Any fungal infection of the nails. | Onchymycosis
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| A black or dark pigment that contributes color to the skin and helps filter UV light. (produced by melanocytes w/in the epidermis) | Melanin
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| Cell responsible for producing melanin. | Melanocyte
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| Typical lesion of acne vulgaris caused by accumulation of keratin & sebum w/in the opening of a hair follicle | Comedeo
Closed=whitehead
Opened=blackhead
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| A small, flat discoloration of the skin that is neither raised or depressed | Macule
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| A tear in the skin | Laceration
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| The skin | Integument
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| A substance(found in all cells)that is released in allergic inflammatory reactions. | Histamine
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| A benign tumor that consists of a mass of blood vessels and has a reddish-purple color. | Hemangioma
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| A crack-like sore or groove in the skin or mucous membrane. | Fissure
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| Localized pus-producing infection originating deep in a hair follicle. | Furuncle AKA Boil
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| The tiny tube w/in the dermis that contains the root of a hair shaft. | Hair Follicle
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| The layer of skin immediately beneath the epidermis. | Dermis AKA Corium
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| Fatty tissue | Adipose
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| Corium | Dermis;the layer of skin immediately beneath the epidermis
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| A physician who specializes in the treatment of diseases&disorders of the skin | Dermatologist.
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| A diffuse ACUTE infection of the skin & subcutaneous tissue,characterized by localized heat, deep redness, pain,& swelling | Cellulitis
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| Lunula | crescent-shaped pale area at the base of the fingernail or toenail
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| Infestation with Lice | Pediculosis
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| Itching | Pruritus
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| Oily secretions of the sebaceous glands | Sebum
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| The outermost layer of the skin | Epidermis
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| Linear tears in the dermis resulting from overstretching from rapid growth. AKA Stria | Stretch marks or Stria
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| fatty layer of tissue located beneath the dermis | Subcutaneous tissue
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| clear,watery fluid produced by sweat/Sudoriferous glands;AKA perspiration | Sweat
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| A scraping or rubbing away of skin or mucous membrane as a result of friction to the area. | Abrasion
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| A localized collection of pus in any party of the body. | Abscess
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| Partial or complete loss of hair. May be due to aging,reaction to meds,endocrine disorder or skin disease. | Alopecia
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| small,thin-walled skin lesion containing clear fluid AKA vesicle | Blister
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| bluish-black discoloration of an area. AKA bruise | Ecchymosis
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| Ear wax | Cerumen
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| non-invasive treatment using sub freezing temps. to freeze & destroy the tissue. Coolants such as liq. nitrogen are used in the metal probe | Cryosurgery
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| process of scraping material from the wall of a cavity or surface for the purpose of removing abnormal tissue or unwanted material. | Curettage
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| Removal of debris,foreign objects, & damaged necrotic tissue from a wound in order to prevent infection and to promote healing. | Debridement
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| inflammation of the skin | Dermatitis
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| A technique that uses an electrical spark to burn and destroy tissue;used primarily for the removal of surface lesions. | Electrodessication
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| The tissue that covers the internal and external surfaces of the body. | Epithelium
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| Redness of the skin due to capillary dilation (ex:sunburn,nervous blushing) | Erythema
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| An abnormal increase in the number of red blood cells; polycythemia vera | Erythremia
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| inflammation,sore,or ulcer in the skin over a bony prominence of the body. | Bed Sore
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| Tissue death due to the loss of adequate blood supply, invasion of bacteria, & subsequent decay of enzymes (esp. proteins) - producing an offensive odor. | Gangrene
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| An acute viral infection characterized by painful vesicular eruptions on the skin following along the nerve pathways of underlying spinal or cranial nerves. | Herpes Zoster AKA Shingles
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| Contagious superficial skin infection characterized by serous vesicles & pustules filled with millions of staphylococcus or streptococcus bacteria, usually forming on face. | Impetigo
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| Vascular malignant lesions that begin as soft purple-brown nodules or plaques on the face and oral cavity but can occur anywhere on the body & gradually spread throughout the skin. Only common to AIDS patients. | Kaposi's Sarcoma
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| white,hard, thickened patches firmly attached to the mucous membrane on the mouth, vulva, or penis. | Leukoplakia
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| An enlarged,irregularly shaped, and elevated scar that forms due to the presence of large amounts of COLLAGEN during the formation of a scar. | Keloid
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| Malignant skin tumor originating from melanocytes in preexisting nevi(moles),freckles,or skin w/pigment;darkly pigmented cancerous tumor. | Malignant Melanoma
*asymmetry-flat&elevated parts
*borders-leakage across borders
or margins irregularly shaped
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| Onychomycosis | fungal infection of the nails
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| A common noninfectious chronic disorder of the skin manifested by silvery-white scales covering round,raised, reddened plaques producing itching(Pruritus) | Psoriasis
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| Highly contagious parasitic infestation caused by the "human itch mite{" resulting in a rash,pruritus,and slightly raised thread-like skin lines. | Scabies
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| Chronic inflammatory skin disease that mainy affects the skin of the middle third of the face. the individual had persistent redness over the areas of the face, nose and cheeks. | Rosacea
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