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5 Written questions

5 Matching questions

  1. Hyperplasia
  2. Dry Gangrene
  3. Cellular Accumulations - Lipids and Carbohydrates
  4. Metaplasia
  5. Dysplasia
  1. a an increase in the number of cells resulting from an increased rate of cellular division; as a response to injury, occurs when ijury has been severe and prolonged enough to have caused cell death; cells still relatively uniform, almost normal looking, just more of them; hormonal and pathologic
  2. b
    reversible replacement of one mature cell type by another, sometimes less differentiated, cell type; develops from a reprogramming of stem cells that exist on most epithelia or of undifferentiated mesenchymal cells present in connective tissue; Normal process (such as uterus); uniform to each other and relatively organized; is REVERSIBLE
  3. c usually result of COAGULATIVE necrosis; SKIN becomes very dry and shrinks resulting in wrinkles, and its color changes to dark brown or black;
  4. d abnormal intercellular accumulation of carbohydrates and lipids; priamarily found in spleen, liver, and CNS; can cause "fatty liver": as lipids fill cells, vacuolation pushes the nucleus and other organelles aside; liver's outward appearance is yellow and greasy; Alcohol abuse most common cause
  5. e
    abnormal changes in the size, shape and organization of mature cells; no considered true adaptive process but is related to hyperplaia and is often called atypical hyperplasia; often encountered in epithelial tissue of the cervix and respiratory tract; can, but not always, turn to cancer; often reversible

5 Multiple choice questions

  1. reduced blood supply; often caused by gradual narrowing of arteries (artiosclerosis) and complete blockage by blood clots (thrombosis); progressive hypoxia caused by gradual arterial obstruction is better tlerated than acute anoxia (total lack of oxygen)
  2. classified as necrosis and apoptosis; Necrosis characterized by rapid loss of plasma membrane structure, organelle swelling, mitochondrial dysfunction and lack of typical features of apoptosis; Apoptosis is known as regulated or programmed cell process characterized by the "dropping off' of cellular fragments called apoptotic bodies

  3. a reversible, structural, or functional response both to normal or physiologic conditions and to adverse or pathologic conditions; Atrophy, Hypertrophy, Hyperplasia, Dysplasia, Metaplasia

  4. membrane damage, 2a) loss of phospholipids, alterations of cytoskeleton, activtation of inflammation (complement, cytokines, and leukocytes), increase free radicals, lipid breakdown; 3a) release of enzymes (CPK, LDH) (end), 3b) increase CA influx; 2b) increase swelling of lysosomes, 3) increased release of lysosomal enzymes (hydrolases), 4) cellular digestion (autodigestion)
  5. caused by compression and closure of blood vessels and air passages resulting from external pressure on neck; causes cerbral hypoxia or anoxia secondary to alteration or cessation of blood flow to and from brain; hanging (inverted V on neck), ligature (horizontal mark on neck), manual strangulation (hands on neck)

5 True/False questions

  1. Cellular Injuryclassified as necrosis and apoptosis; Necrosis characterized by rapid loss of plasma membrane structure, organelle swelling, mitochondrial dysfunction and lack of typical features of apoptosis; Apoptosis is known as regulated or programmed cell process characterized by the "dropping off' of cellular fragments called apoptotic bodies

          

  2. Gangrenous Necrosis
    refers to death of tissue from SEVERE HYPOXIC INJURY, commonly occuring beause of arteriosclerosis, or blockage of major arteries, particularly those in LOWER EXTREMITIES; With hypoxia and subsequent bacterial invasion the sittues uncergo necrosis; can be DRY, WET, or GAS

          

  3. Hypoxia
    abnormal changes in the size, shape and organization of mature cells; no considered true adaptive process but is related to hyperplaia and is often called atypical hyperplasia; often encountered in epithelial tissue of the cervix and respiratory tract; can, but not always, turn to cancer; often reversible

          

  4. Common Themes in Cell Injury and Cell Deathclassified as necrosis and apoptosis; Necrosis characterized by rapid loss of plasma membrane structure, organelle swelling, mitochondrial dysfunction and lack of typical features of apoptosis; Apoptosis is known as regulated or programmed cell process characterized by the "dropping off' of cellular fragments called apoptotic bodies

          

  5. Suffocationcaused by compression and closure of blood vessels and air passages resulting from external pressure on neck; causes cerbral hypoxia or anoxia secondary to alteration or cessation of blood flow to and from brain; hanging (inverted V on neck), ligature (horizontal mark on neck), manual strangulation (hands on neck)