Which of the following is true concerning oil production in the skin? Oil is produced by apocrine glands The secretion is called sebum Oil is only secreted into hair follicles Oil is only secreted onto the skin Oil glands are most active at birth
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Which of the following is true concerning oil production in the skin?
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- which of the following WILL NOT produce differences in skin color? Addison's diseases carotene seborrheic dermatitis jaundice asapThe outer layer of skin (epidermis) and nervous system develop from _____________. The lining of the digestive system, liver, pancreas and lining of the respitory system come from _____________________. Everything else comes from _____________.Which of the following is NOT a component of the epidermis thin skin? A. Capillaries B. Keratinized cells C. Keratin D. Melanocytes
- Which of the following statements about melanocytes and keratinocytes is true? a. Melanocytes are in the dermis and keratinocytes are in the epidermis b. Melanocytes produce pigment but keratinocytes do not. c. Both cell types produce waterproofing material. d. Both cell types divide and die as they move away from their blood supply.The structure in the skin that helps make it soft and protect it from drying. The part of the skin that prevents water to escape to the environment. How do sweat glands keep the skin cool. Five function of the skin. Five layers of the epidermis. This layer of the skin is made up of papillary and reticular layer which acts as thermoregulators and nourishment. It is an invagination of the epidermis which is the only living part of the hair because it is where hair begins to grow. Lesion of the skin which are not cancer but have the increased propensity to develop into cancer over time. Cells in the epidermis responsible for synthesizing melanin. Primary cause of most skin cancer. Bones are hard because of the storage of ______________________; ________________________ Condition wherein a person’s joints is twisted beyond the normal position. A common disease characterized with pain in the joints. The part of the bone which actively manufactures red blood cells. Unit structure of the…The oily secretion that lubricates the hair follicles of the skin is suder. mucus. acnus. eczema. sebum.
- The mechanism by which a functional MC1R protein affects skin color is it ______ directly stimulates pheomelanin production directly stimulates eumelanin production responds to melanocyte stimulating hormone to increase pheomelanin production responds to melanocyte stimulating hormone to increase eumelanin productionWhich of the following glands produce the acid mantle?a. merocrine sweat glandsb. apocrine sweat glandsc. mammary glandsd. ceruminous glandse. sebaceous glandsThe autonomic nervous system is a part of the nervous system that can be activated when we are frightened or nervous. What would you expect to happen to sweat gland production and secretion when we are frightened or nervous?
- All of the following are accessory structures of the integu- mentary system except (a) nails. (b) hair. (c) dermal papillae. (d) sweat glands.How does melanin get into the skin? melanocytes are found in the most superficial layer of skin and are full of melanin giving pigmentation keratinocytes absorb surrounding melanocytes as they rise up from the basal layer to the surface melanocytes form in the basal membrane and as they ascend to the surface they change into keratinocytes while maintaining the original amount of melanin they produced melanocytes in the basal layer produce melanin and inject it into surrounding keratinocytes via the dendritesDarkly pigmented skin is advantageous in the tropics because it a) Protects skin from frostbite b) Allows maximum exposure to UV radiation c) Helps prevent rickets d) Promotes vitamin D synthesis e) Protects skin from skin cancer from overexposure to ultraviolet radiation
