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26 Cards in this Set
- Front
- Back
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Which cell type functions in initiating an immune response against pathogens invading the epidermis? |
Langerhans Cells |
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Put the following epidermal layers in order from deep to superficial. 1.stratum spinosum 2.stratum lucidum 3.stratum corneum 4.stratum basale 5.stratum granulosum |
Basale, Spinosum, Granulosum, Lucidum, Corneum (4, 1, 5, 2, 3) |
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Place the following structures of the dermis and subcutaneous layer in order from superficial to deep 1.papillary layer 2.adipocytes 3.dermal papillae 4.cutaneous plexus 5.reticular layer |
Dermal Papillae, Papillary Layer, Reticular Layer, Cutaneous Plexus, Adipocytes) (3, 1, 5, 4, 2) |
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Which of the following statements regarding the blood supply to the skin is FALSE? |
Both; Arteries and veins supplying the skin form an interconnected network in the subcutaneous layer, along the border with the papillary layer AND upon reaching the reticular layer, small arteries enter a branching network known as the subpapillary plexus. |
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All of the following are true of skin color, except: |
Reduction in circulatory supply to the dermis has no effect on skin color |
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Of the following factors, UV radiation in sunlight is absorbed by __________. |
Melanin |
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The deeper layer of the dermis, composed of dense irregular connective tissue, is the __________. |
Reticular Layer |
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3 functions of the integumentary system |
Thermoregulation, Excretion, Nutrition |
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Which layer of the epidermis is the most superficial layer in which all of the cells still have a nucleus? |
Stratum Granulosum |
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Which epidermal layer is only found in thick skin? |
Stratum Lucidum |
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Which stratum forms epidermal ridges? |
Stratum Basale |
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What structure in the skin controls blood flow, adjusts gland secretion rates, and monitors sensory receptors in the dermis and the deep layers of the epidermis? |
Nerve Fibers |
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Which of the following is the most abundant epithelial cell found in the epidermis? |
Keratinocyte |
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The interwoven collagen fibers of the dermal layer provide considerable tensile strength. The extensive array of elastic fibers that enables the dermis to stretch and recoil repeatedly during normal movements is found in the __________. |
Reticular Layer |
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Exceeding the elastic capabilities of the skin results in: |
stretch marks |
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Which of the following are components of the integumentary system? |
Skin, hair, nails, and sweat glands |
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Which epidermal layer is water resistant, but not waterproof, and is typically relatively dry? |
Stratum Corneum |
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Which layer of the cutaneous membrane produces vitamin D3? |
Epidermis |
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In which epidermal layer are Langerhans cells and melanocytes often present? |
Stratum spinosum |
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The dermis contains, in addition to all of the cells of connective tissue proper, contains which 3 things? |
Lymph Vessels, Nerve Fibers, and Blood Vessels |
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Which of the following is NOT a component of the skin but considered an accessory structure? |
Hair |
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The nerve supply in the dermis does what |
monitor sensory receptors, control blood flow, and adjust gland secretion rates |
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The deeper layer of the dermis, composed of dense irregular connective tissue, is the __________. |
Reticular Layer |
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Which structure is located in the dermis of the skin and protrudes through the epidermis to the surface of the skin? |
Multicellular Exocrine Glands |
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All of the following are true of skin color, except: |
Reduction |
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What structure in the skin controls blood flow, adjusts gland secretion rates, and monitors sensory receptors in the dermis and the deep layers of the epidermis? |
Nerve Fibers |
