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5 Written questions

5 Matching questions

  1. Cellular Accumulations - Protein
  2. Hydropic Degeneration (any type of hypoxia)
  3. Cellular Accumulations - Lipids and Carbohydrates
  4. Gas Gangrene
  5. Suffocation
  1. a refers to a special type of gangrene cause by INFECTION of injured tissue by one of many species of Clostridium; these anaerobic bacteria produce HYDROLYTIC ENYMES and TOXINS that detroy connective tissue and cellular membranes and cause bubbles of gas to from in muscle cells; this can be fatal if enzymes lyse the membrane of RBCs, dstorying thier O2 carrying capasity; Death is caused by shock.
  2. b mutations in protien can slow protein folding so cell is filled with unfolded proteins, which might not be in the proper format to be used; also, metabolites (used to digest some proteins) are released from lysosomes can damage cellular organells and excessive amounts of protien in cytoplsm push against cellular organells, disrupting organelle function and intracellular communication; accumulates primarily in epithelial cells of renal confoluted tubule and antibody-forming plamsam cells (B-lymphocytes)
  3. c 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
  4. d
    very common w/any hypoxia, even as momentary as leg falling asleep; can be reversed; 1) injury, 2) ATP production decreases, 3) sodium and water move into cell, Potassium moves out of cell, 4) Osmotic pressure increases 5) more water moves into cell, 6) cisternae of endoplasmic reticulum distend, rupture, and form vacuoles, 7) extensive vacuolation, 8) hydropic degeneration
  5. e oxygen failing to reach the blood, can result from lack of O2 in environment (entrapment in enclosed space or filling enviro w/suffocating gas), or blockage of external airways (compression of chest, choking)

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. 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
  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. 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. occurs in LUNGS; usually results from TB PULMONARY INFECTION, especially by Myobacterium tuberculosis; Combination of COAGULATIVE AND LIQUEFACTIVE necroses; The dead cells disintegrate, bt debris is not completely digested by hydrolases; Tissues resemble clumped cheese in that they are soft and granular; A granulomatous inflammatory wall encloses areas of caseous necrosis; Tb starts to kill lung tissue (liquefactive) and macrophages come in and stop it and coagulate the tissue - why you see tubricles in lungs

5 True/False questions

  1. Necrosis
    is cellular dissolution caused by power enzymes, called LIPASES, that occur in BREAST, PANCREAS, and, other ABDOMINAL ORGANS; Lipases break down triglycerides, releaseing free fatty acids that then combine with calcium, magnesium and sodium ions, creating SOAPS (saponification); Necrotic tissue appears opaque and chalk-white.

          

  2. Apoptosisthe sum of cellular changes after local cell death and the process of cellular self-digestion, knon as autodigestion (autolysis); Damage to the plasma membrane and cell structures; 6 Major Types of Necrosis are Coagulative necrosis, Liquefactive Necrosis, Caseous Necrosis, Fat Necrosis and Gangrenous Necrosis

          

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

          

  4. Wet Gangrenerefers to a special type of gangrene cause by INFECTION of injured tissue by one of many species of Clostridium; these anaerobic bacteria produce HYDROLYTIC ENYMES and TOXINS that detroy connective tissue and cellular membranes and cause bubbles of gas to from in muscle cells; this can be fatal if enzymes lyse the membrane of RBCs, dstorying thier O2 carrying capasity; Death is caused by shock.

          

  5. Celular 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

          

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