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50 Cards in this Set
- Front
- Back
Tissue has a free surface exposed to the internal or external environment is
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Epithelial Tissue
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Close examination of an organ reveals a lining of several layers of cells. The layers do not contain any blood vessels and one surface of the cells is open to the internal cavity of the organ this tissue is probably:
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Epithelium
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The muscle tissue which shows no striations is:
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Smooth muscle
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The serous membrane lining the abdominal cavity is the:
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Peritoneum
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Osseous Tissue is also called:
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Bone
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All of the following are true od neurons except that:
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They are a specialized type of connective tissue
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Functions of Connective tissue include:
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Storing energy reserves, provide protection for organs, structural framework for the body
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Cells that store fat are called:
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Adipocytes
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The matrix of ______ is a firm gel
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Cartilage
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Which of the following moist membrane lines cavities that communicate with the exterior of the body
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mucous
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Tissue that is specialized for contraction is:
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muscle tissue
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Satellite cells would be found in association with:
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Skeletal Muscles
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Tissue that is specialized for contraction is:
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Neural Tissue
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Functions of epithelia include all of the following except:
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Storing Energy Reserves
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Tissue changes with age include all of the following except:
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Proliferation of epidermal cells
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Epithelial cells exhibit modifications that adapt them for:
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Secretion
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Dead skin cells are shed in thick sheets because they are held together by a thin layer of proteoglycan reinforced by intermediate filaments such as strong intercellular connections are:
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Desmosomes
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The 2 components of the cutaneous membrane are:
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Epidermis and dermis
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Accessory structures of the skin include all of the following, except:
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Epidermis
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The most abundant cells in the epidermis are:
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Keratinocytes
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An epidermal layer found only in the skin of the palms of the hands and the soles of the feet is the:
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Stratum Lucidum
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All of the following are true of the pigment melanin, except that it:
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decreases in concentration within the cells during exposure to the skin
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Exposure of the skin to UV light:
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Can result in damage to the DNA of cells in the stratum germinativum
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Glands that discharge an oily secretion into hair follicles are ____ glands
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sebaceous
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Most body odor is the result of bacterial metabolism of the secretions produced by:
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Apocrine Sweat Glands
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The effects of aging on the skin include:
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a decline in the activity of sebaceous glands
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An important vitamin that is formed in the skin when it is exposed to sunlight is:
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Vitamin D
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Which of the following happens if body temperature rises above normal?
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Blood Flow to the skin increases
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Scar tissue is the result of:
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An abnormally large number of collagen fibers and relatively few blood vessels at the repair site
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Variations in hair color reflect differences in the pigment produces by:
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Melanocytes
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Sensible perspiration is produced by:
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Merocrine Sweat Glands
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The Protein ______ promotes dehydration of cells destined to become the stratum corneum
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Kerathohyalin
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Skin can regenerate effectively even after considerable damage has occurred because:
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Stem Cells persist in both epithelial and Connective tissue components of the skin even after injury
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Mature bone cells are called:
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Osteocytes
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Large Multi nucleated cells that can dissolve the bony matrix are called:
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Osteoclasts
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In the process of Osteolysis:
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The bony matrix is dissolved to release the stored minerals
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The narrow passageways that contain cytoplasmic extensions of osteocytes are called:
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Canaliculi
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The basic functional unit of compact bones is the harnesian system or:
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Osteon
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The tiny plates of bone material found in spongy bone are called
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Trabeculae
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The medullary cavity of bones contains:
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Marrow
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The shaft of a long bone is called:
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Diaphysis
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The lining of the marrow cavity is called:
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The endosteum
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Specifically the term "calcification" refers to the:
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Deposition of calcium salt within tissue
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Vitamin D is necessary for absorption and transport of calcium:
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and Phosphate Ions
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The non Pathologic (normal and inevitable loss of bone that occurs with aging is the
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Osteopenia
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In compact bone the Osteons:
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are lined up in the same direction
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If the rate of osteolysis exceeds osteogenesis, bones will
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Become deminiralized
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During oppositional growth
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Bones grow wider
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Which of the following conditions would you possibly observe in a child suffering from rickets:
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Bow Legs
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The hormone _______ inhibits osteoclast activity and reduces calcium ion concentrations in body fluids
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Calcitonin
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