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ch5 quiz
| Question | Answer |
|---|---|
| In humans, exposure of the skin to sunlight is required for | vitamin D synthesis |
| In general, skin cancers | can be reduced by limiting exposure to the sun |
| What substance produced in the skin is responsible for helping the body absorb calcium? | Vitamin D |
| Why do teenagers often experience acne? | They have a sudden increase in hormones which releases excess oil from their sebaceous glands |
| Which of the following is formed from keratinocytes? (select all that are correct) | hair, nails, some layers of the epidermis |
| Which layer of the integumentary system is responsible for producing hair? | Epidermis |
| What is a term for a type of skin cancer? | carcinoma |
| Stimulation of the heat-loss center causes | blood vessels in the skin to constrict |
| What is a term for a thickened area of skin that is caused by constant abrasion (rubbing)? | callus |
| The papillary layer of the dermis is most closely associated with which layer of the epidermis? | stratum basale |
| Correctly order the layers of the epidermis of the palms of the hand Surface of the palm (most superficial) | Stratum corneum, Stratum lucidum, Stratum granulosum, Stratum spinosum, Stratum basale |
| What is responsible for lubricating hair and skin cells? | Oil (sebaceous) gland |
| What is a term for a chronic skin condition cause by infected sebaceous glands? | acne |
| Put the layers of the integumentary system in order from most superficial to deepest- most superficial to deepest | epidermis, dermis, hypodermis |
| What is a term for a sore that develops on skin where constant pressure restricts the lack of blood flow and the skin starts to die (necrotize)? | bedsore |
| Which layer of the integumentary system is the layer where fat (lipid) is stored in this body system? | hypodermis |
| Which layer of the integumentary system contains the pigment cells responsible for the color of the skin and UV light protection? | Epidermis |
| Correctly order the layers of the epidermis for most of the body (except the palms of the hands and soles of the feet)-most superficial to deepest | Stratum corneum Stratum granulosum Stratum spinosum Stratum basale |
| Which layer of the integumentary system has no blood flow, therefore, it will not bleed if you only cut that layer? | epidermis |
| Which layer of the integumentary system is skin cancer most likely to form? | epidermis |
| Collagen lends ________ to the skin. | Elasticity |
| What is responsible for skin temperature regulating features? | Sweat (sudoriferous) gland |
Created by:
Kivy
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