A&P #2
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| What protects the body from harm and acts as a barrier against the external environment? | The Integumentary System
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| What consists of the skin, hair, nails, sweat glands, and oil glands. | The Integumentary System
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| Cutaneous membrane | Skin
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| This is considered an organ and has two layers. | Skin
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| Name the 2 layers of skin. | Epidermis & Dermis
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| What is the outer layer of skin called? | Epidermis
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| What is the layer of skin below the epidermis that is anchored to subcutaneous layers called? | Dermis
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| Layer of skin composed of stratified squamous epithelium | Epidermis
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| What do you call the epidermis layer that has no blood supply of it's own? | Avascular
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| How many layers are there in the epidermis? | 5 layers
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| What are the 2 deeper layers of the epidermis? | Stratified Germinativum and Stratified Comeum
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| Which layer of epidermis lies closer to the dermis and has a rich blood supply? | Stratified Germinativum
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| Where are new cells made while the old cells move up toward the epidermis? | Stratified Germinativum
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| What is the protein that toughens the cells? | Keratin
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| What "waterproofs" the skin? | Keratin
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| What is the surface layer of skin epidermis? | Stratum Corneum
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| What is composed of 30 layers of dead, flattened keratinized cells? | Stratum Corneum
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| What makes up 3/4 of epidermal thickness? | Stratum Corneum
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| What is another name for Dermis? | Corium
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| Also known as "true skin"? | Dermis
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| What is located under the epidermis and is composed of dense fibrous connective tissue? | Dermis
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| This is strong and stretchable due to collagenous tissue | Dermis
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| Accessory organs are found here. | Dermis
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| This is not considered part of the skin because it lies below the skin? | Subcutaneous Layer
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| This is composed of loose connective tissue and adipose tissue? | Subcutaneous Layer
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| What secretes a skin darkening pigment called melanin? | Melanocyte
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| What do you call the failure of melanocytes to produce pigmentation? | Albinism
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| What is a loss of pigment in certain parts of the skin? | Vitiligo
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| What do you call melanin concentrated in a local area? | Freckles and Moles
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| What is a skin cancer that tends to metastasize very quickly? | Malignant Melanoma
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| What is a yellow pigment? | Carotene
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| What condition is caused by poorly oxygenated blood? | Cyanosis
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| What is no excretion of bilirubin? | Liver Disease
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| What are the three chief parts of tha hair? | Shaft, Root, and Follicle
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| What part is bove the surface of the skin? | The Shaft
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| What part extends from the dermis to the surface? | Root
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| What part extends downward from epithelial cells? | Shaft
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| What do you get when your erector pili muscles contract? | Goose Bumps
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| What is another name for hair loss? | Alopecia
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| What are thin plates of stratified squamous epithelial cells? | Nails
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| What makes nails hard? | Keratin
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| What is located on the distal ends of fingers and toes for protection? | Nails
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| What are the 5 parts of the nail? | Free edge, nail body, nail root, lunula, and cuticle
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| What causes the pink color in the nail? | Blood vessels in the underlying dermal layer.
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| How many parts are there in the nail? | 5
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| What are Sebaceous glands? | Oil glands
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| Where are Sebaceous glands found | In all areas of the body with hair.
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| What do Sebaceous glands secrete? | Sebum (oil)
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| What does sebum do? | Lubricate and waterproofs hair and skin.
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| What does sebum inhibit? | Bacterial growth
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| What is the name of the substance that coats newborns? | Vernix Caseosa
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| What occurs when a gland is blocked? | Blackhead
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| What occurs when a gland is infected? | Pimple
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| What is another name for a sweat gland? | Sudoriferous gland
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| What is Seborrhea? | Cradle Cap
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| What gland is located in the dermis and subcutaneous layer? | Sudoriferous
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| Approximately how many sweat glands are on an individual? | 3 million
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| What is an Apocrine gland associated with? | Hair follicules and found in axillary and genital areas
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| What are Eccrine glands associated with? | Widely distributed, located on forehead, upper lip. palms, and soles of the feet.
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| Which sweat gland regulates temperature? | Eccrine
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| Where are Ceruminous glands found? | External auditory canal of ear.
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| What do Ceruminous glands secrete? | Cerumen (ear wax)
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| What are 8 functions of the skin? | 1.Keeps harmful substances out of the body, 2.Retains H2O and electrolytes, 3.Protects internal structures, 4.Discouraes growth of pathogens, 5.Performs excretory function, 6.Synthesizes and secretes vitamin D, 7.Performs sensory role, 8.Regulates tem
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| What part of the brain helps regulate temperature? | Hypothalamus
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| How many categories of burns are there? | 3
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