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43 Cards in this Set
- Front
- Back
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The Integumentary system and it's accessory organs consist of what 3 things?
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hair
nails cutaneous glands |
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The inspection of the ______, ______, and _______ is a significant part of a physical exam.
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skin
hair nails |
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What is the most vulnerable organ?
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skin
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Why is skin the most vulnerable organ?
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exposure to radiation, trauma, infection, chemicles
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What organ system recieves more medical treatment than any other organ system?
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Integumentary system
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What is the scientific study and medical tratment of the integumentary system?
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Dermatology
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The narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels.
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Vasoconstriction
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The widening of blood vessels resulting from relaxation of smooth muscle cells within the vessel walls.
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Vasodilation
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What is the body's largest and heaviest organ?
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skin
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The _______ is made up of stratified squamous epitheliun.
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Epidermis
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The ________ is a connective tissue layer.
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Dermis
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The _______ is a connective tissue layer located blow the dermis.
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Hypodermis
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________ is on the palms and soles, and corresponding surfaces of the fingers and toes.
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thick skin
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_______ is all over the body except on the palms and soles, and corresponding surfaces of the fingers and toes.
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thin skin
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______ has sweat glands , but no hair follicles or sebaceous (oil) glands.
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thick skin
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_______ possesses hair follicles sebaceous glands, and sweat glands.
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thin skin
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Name the layers in order of thick skin.
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corneum
lucidum granulosum spinosm basale |
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Name the layers in order of thin skin.
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corneum
granulosum spinosm basale |
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What are the 7 functions of the skin?
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-Resistance to trauma and infection
-Other barrier functions -Vitamin D synthesis -Sensation -Thermoregulation -Nonverbal communication -Transdermal absorption |
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______ is a protein in the skin related to trauma/protection.
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keratin
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______ is sweat residue on the skin that fights bacteria and infection thus making it antimicrobial.
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acid mantle
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Name 3 barrier functions of the skin.
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waterproofing
uv radiation harmful chemicles |
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The liver and kidneys complete the process of skins first step which is known as ________.
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vitamin D synthesis
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Is sweat acidic or basic?
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acidic
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_________ is a steroid derived from cholesterol.
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Vitamin D
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What is the most extensive sense organ?
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skin
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Name 2 parts of thermoregulation.
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thermoreceptors
vasoconstriction/vasodilation |
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Name 3 parts of nonverbal communication as it relates to the skin.
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acne
birthmark scar |
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Is the administration of certain drugs steadily through thin skin via adhesive patches
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Transdermal absorption
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The ________ is the layer of the skin that is made of keratinized stratified squamous epithelium.
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Epidermis
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The avascular (lacks vessels) layer of the skin that is made up of dead cell at the surface packed with a tough protein called karatin.
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Epidermis
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The __________ layer of the skin depends on the diffusion of nutrients from underlying connective tissue
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Epidermis
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The ________ layer of skin has sparse nerve endings for touch and pain
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Epidermis
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Name the 5 types of cells of the epidermis.
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stem cells
keratinocytes melanocytes tactile (merkel) cells dendritic (Langerhans) cells |
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__________ are undifferentiated cells that give rise to keratinocytes located in the
deepest layer of epidermis known as ________. |
stem cells
stratum basale |
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__________ are the great majority of epidermal cells.
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keratinocytes
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__________ synthesize keratin.
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keratinocytes
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________ occur only in the stratum basale.
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melanocytes
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__________ synthesize the pigment melanin that shields DNA from uv radiation.
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melanocytes
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The ________ has branched processes that spread among kerainocytes.
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melanocytes
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The ______ are fine touch receptors associated with dermal nerve fibers that are in the basale layer of the epidermis.
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tactile (merkel) cells
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The ________ cells are found in stratum spinosum and granulosum that are
macrophages that originate in bone marrow that stand guard against toxins, microbes, and other pathogens that penetrate skin |
Dendritic (Langerhans) cells
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______ cells have dendrite like extesions to grab pathogens and function for immunity.
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Dendritic (Langerhans) cells
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