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5 Written questions

5 Matching questions

  1. Asphyxial Injuries
  2. Hyperplasia
  3. Coagulative Necrosis
  4. Cellular Accumulations - Glycogen
  5. Cellular Injury Induced by Ischemia - Irreversible
  1. a
    occurs in KIDNEYS, HEART, and ADRENAL GLANDS commonly results from hypoxia caused by severe ischemia or hypoxia caused by chemical injury; Coagulation is cause by PROTEIN DENATURATION, which causes the protein albumin to change from gelatinous, transparent state to a firm, opaque state; bonds in protein break and they unfold
  2. b cuased by failure of cells to receive or use oxygen; deprivation of oxygen may be partial (hypoxia) or total (anoxia); grouped into 4 gneral categories; suffication, strangulation, chemical, and drowning
  3. c
    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)
  4. d 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
  5. e seen in genetic disorders called 'glycogen storage disease' and in disorders of glucose and glycogen metabolism; results in excessive vacuolation of cytoplasm (like water); most common cuase is diabetes mellitus; when not storing glucose or glycogen correctly, breakdown in energy of cell

5 Multiple choice questions

  1. 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)
  2. an increase in the size of cells and consequently in size of affected organ; heart and kidneys are very prone; associated with increased accumulation of protein in the cellular components (PM, ER, mitochondrea) and NOT with an increase in cellular fluid; can be physiologic or pathologic; is REVERSIBLE
  3. (infiltration); intracellular accoumulation of abnormal amounts of various substances and the resultant metabolic disturbances; results not only from sublethal, sustained injury by cells but also result from normal (but inefficient) cell function; Normal cellular substances ( excess water, proteins, lipids, carbohydrates) or abnormal substance (endogenous - product of abnormalmetabolism or synthesis, exogenous - infectious agents or minerals)

  4. 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

  5. a decrease or shrinkage in cellular size; if atrophy happens in sufficient number of an organ's cells, the entire organ shrinks; can be physiological like thymus, pathological (disease process), or disuse; is REVERSIBLE

5 True/False questions

  1. Wet Gangrene
    developes when NEUTROPHILS invade the site, causing LIQUEFACTIVE necrosis; usually occurs in INTERNAL ORGANS, causing site to beome cold, swollen and black; foul odor is present, and if systemic symptoms become severe, death can ensue; Thrombisis/embolism (blockage of blood), strangulated hernia (no adequate O2 or blood), valvulus (twist of intestine), intussusception (intestine falling into self)

          

  2. Hypoxialack of sufficient oxygen; the single most common cause of cellular injury; can result from reduced amount of oxygen in air, loss of hemoglobin or decreased efficacy of hemoglobin, decreased production of RBCs, diseases of repiratory or cardovascular systems, and poisoning of the oxidative enzymes w/in cell; can induce inflammation and inflamed lesions can become hypoxic; most common form is ischemia (reduced blood supply)

          

  3. Dry Gangreneusually result of COAGULATIVE necrosis; SKIN becomes very dry and shrinks resulting in wrinkles, and its color changes to dark brown or black;

          

  4. Dysplasia
    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. Cellular Injury
    most diseases begin with cell injury; occurs if the cell is unable to maintain homeostatis in face o finjurious stimulie; may be reverisble or irreversible (die)