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Integumentary system
skin
| Question | Answer |
|---|---|
| What are the three layers of the skin | epidermis, dermis, subcutaneous |
| Top layer that is shed constantly (dead cells) | stratum cornium |
| makes new cells to replace old cells | gerimativum/ stratum basale |
| what is the function of fat | insulate/absorb shock |
| what are 3 functions of skin | protection, sensory perception, body temperature regulation, storage, absorption, excretion, production |
| how do blood vessels regulate temperature | dilate- heat escapes constrict- heat retained |
| what are hair and nails made of | keratinized cells |
| what determines color | melanin (black/brown)carotene (red/yellow) |
| what is the purpose of the sudiferous gland | temperature regulation, sweat |
| what do the sebaceous glands do | keeps hair and skin from becoming dry and brittle, slows water loss. secrete sebum (oily substance) |
| Where does hair grow from, and what determines the shape | follicle, root. |
| what is the lack of color pigment | albino |
| what is jaundice and what causes it | yellow discoloration cause by liver/gallbladder ds |
| reddish dicoloration caused by burns or congestion of blood vessels. | erythema |
| bluish skin cause by lack of oxygen | cyanosis |
| flat spots | macules |
| firm and raised skin eruption | papules |
| fluid filled | vesicles |
| pus filled | pustules |
| driep pus/blood | crusts |
| itchy elevated with irregular shapes | wheals |
| deep loss of skin surface | ulcer |
| inflammation of sebaceous gland | acne vulgaris |
| contagious fungal infection that affects the feet | athlete's foot |
| what are the three types of skin cancer and what is the most dangerous | basal cell carcinoma, squamous cell carcinoma, melanoma(most dangerous) |
| allergic reaction that irritates the skin | dermatitis |
| contagious skin infection that causes oozing vesicles, pustules, and yellow crusts | impetigo |
| noncontagious skin infection. sx include white/silver scales | psoriasis |
| what is ringworm | contagious fungal infection. formation of a flat or raised circular area with a central area surrounded by itchy, scaly, or crusty ring. |
| what is another name for warts | verrucae |
| what does skin eliminate | salt, waste, excess water and heat |
| skin uses uv rays to produce what | vitamin D |
| where do nails grow | white portion of nail bed |
| what part of hair projects from the skin | shaft |
| what is another name for fat | adipose |
| what do ceruminous glands produce | earwax (cerumen) |
| what is sweat made up of | water, salts, nitrogenous wastes |
| what are 2 causes of skin cancer | exposure to sun, radiation, chemicals, tanning bed |
| how is impetigo treated | antibiotics |
Created by:
Javier Alban
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