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Integumentry System
skin
| Question | Answer |
|---|---|
| If the skin is subjected to constant pressure, a thicker area of epidermis will be formed. More cells are produced by the process of____, in the ______. | mitosis, stratum germinativum |
| If the skin is subjected to friction, layers of the epiderms may be separated and _____ will collect in the area and form a ____. | tissue fluid, blister |
| Langerhans cells are found in the epiderms, but have come from the __. | bone marrow |
| When Langerhans cell phagocytize pathogens, they carry them to the ___(type of wbc) found in ____. | lymphocytes, lymph nodes |
| In response to the pathogen the lymphocytes initate as immune reaction such as the production of___? | antibodies |
| Antibacterial chemicals produced the protein_____ which is a pigment | melanin |
| What is the stimulus for increased melanin production? | ultra violet rays |
| Explaining the function of melanin | protecting skin from further uv rays |
| Merkel cells are found in the _____ and are receptors for the sense of ___ | stratum germinativum , touch |
| Contains capillaries to nourish the stratum germinativum of the epidermis | papillary layer |
| Provide information about changes in the external environment | receptors |
| the protein that gives the dermis its strength | collagen layers |
| produce a lipid substance called sebum | sebaceous glands |
| The cell that produce collagen and elastic | fibroblasts |
| mitosis at the root produces the hair shaft | hair follicle |
| produce there secretion in times of stress or strong emotion | apocrine sweat glands |
| produce the secretion during exercise or warm environment | eccrine sweat gland |
| mitosis at the root produces the nail | nail follicle |
| the protein that gives the dermis elasticity | elastin fibers |
| produce cerumen or ear wax | ceruminous glands |
| the free nerve ending in the dermis are the receptors for the cutaneous sense of ___,___and ____. | pain heat and cold |
| the encapsulated nerve endings in the dermis are the receptors for the cutaneous senses of ____ and _____. | touch and pressure |
| Explain why the skin of the palm is more sensitive to touch than is the skin of the shoulder | the palm has more receptors |
| the ends of fingers and toes are protected from mechanical injury by | nails |
| name the protein that nails are made of | kertain |
| the secretion that prevents drying of the ear drum | cerum |
| the secretion that prevents drying of the skin and hair | sebum |
| the secretion that helps lower body temperature | sweating |
| the secretion that inhibits bacterial growth on skin is | sebum |
| one function of human hair is to keep dust out of the ____ and ____. | eyes and nose |
| another function of hair is to provide insulation from the cold for the ___ | head |
| name the protein hair is made of | kertain |
| in stress situations, the ___ in the dermis will constrict to shunt blood to more vital organs | arterioles |
| the vitamin formed in the skin is vitamin ___ which is made from ____ when the skin is exposed to__. | d, cholesterol, uv rays |
| the function of vitamin d is to promote the absorption of ____ and ___ in the small intestine. | calcium, phosphorus |
| the other name for subcutaneous tissue is ___ | superficial fascia |
| the subcutaneous tissue is located the ___ and the ____. | dermis, muscle |
| names the two types of connective tissue in the subcutaneous layer | aerolar, connective tissue, and adipose tissue |
| the aerolar connective tissue contains many white blood cells that destroy ____ that have entered ___. | pathogens, broken skin |
| aerolar connective tissue also contains mast cells that produce ___ when tissue damage occurs; this substance contributes to the process of ___ | histamine, inflammation |
| the adipose tissue contains cell that are specialized to store __ as a source of potential ___. | fat, energy |
| state two functions that contain subcutaneous fat | cushions bony prominences , provides insulation from the cold |
| the role of the skin in the maintenance of body temperature depends upon the ___ glands and the small artier s called ___. | eccrine sweat, arterioles |
| in a ____ environment the eccrine glands secrete more sweat onto the skins surface | warm |
| excess body heat is lost in the process of ____ of the sweat | evaporation |
| the tissue in the walls of the arterioles that permits vasocontriction or vasodilation is ____ | smooth muscle |
| the skin is chared and may not be painful at first what degree burn is this | 3rd degree |
| the skin is painful but not blistered what degree burn is this | 1st degree |
| the skin is painful and blistered what degree burn is this | 2nd degree |
| extensive third degree burns maybe be very serious because of the loss of which layer of the epidermis | stratum corneum |
| state the two potential serious problems for patients with extensive 3rd degree burns | dehydration, infection |
Created by:
lilmiss20