Phys Exam3 sample questions

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ffloyd
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Phys Exam3 sample questions
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2012-03-24 17:43:27
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Phys Exam3 sample questions ffloyd
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  1. (T/F) Rapid, excessive drinking of plain bottled water can lead to hyponatremia and cerebral edema.
    T
  2. Which of the following ARE considered a type of cytokine? -interleukin - interferon - polyalanin peptide - tumor necrosis factor
    • interleukin
    • interferon
    • tumor necrosis factor
  3. Which of the following about platelets is FALSE?
    A -they are from megakaryocytes in bone marrow
    B -they form a plug when activated
    C -they can rapidly undergo hyperplasia
    D -they stick to injured endothelial surfaces & collagen
    E -they contain contractile proteins
    C is false
    (this multiple choice question has been scrambled)
  4. Which of the following is FALSE?
    A -autoimmune diseases are more common in developed countries than developing countries
    B -prevalence and incidence are often not the same, especially for chonic illnesses
    C -cancer is the leading cause of death in the US
    D -many spontaneous abortions are die to genetic abnormalities
    E -AIDS is a major killer worldwide
    C is false
    (this multiple choice question has been scrambled)
  5. What are some typical causes for localized or systemic edema?
    • -loss of serum albumin due to decr. synthesis in liver or glomerular injury
    • -lymphatic obstruction
    • -local inflammation due to histamine release
  6. Which of the following has a primary pathogenesis that is genetic? -RA -Fragile X -SLE -MS
    Fragile X is genetic
  7. What potentially reversible response of tissue is due to lack of use?
    atrophy
  8. (T/F) The gut is lined with keratinized stratified squamous tissue.
    false
  9. (T/F)) The innermost surfaces of blood vessels are lined with endothelial cells.
    true
  10. (T/F)Squamous cells are flat and closely apposed, such as floor tiles or fish scales.
    true
  11. (T/F)Columnar epithelial cells line some of the bronchial passageways.
    true
  12. (T/F)If an autoimmune disease targets epithelial tissue and/or the basement membrane, you would expect that disease to have very widespread effects.
    true
  13. (T/F)) Insulin can cause potassium to move from the extracellular space into the intracellular space.
    true
  14. (T/F)) Hypovolemia and hypernatremia can result from the syndrome of inappropriate anti-diuretic hormone release (SIADH).
    false
  15. (T/F)In the kidneys, aldosterone exchanges potassium for sodium, so that sodium is reabsorbed into the blood and potassium is excreted into the urine.
    true
  16. (T/F)Potassium can be lost in vomit, diarrhea and sweat.
    true
  17. (T/F)Hyperkalemia can cause cardiac arrythmias.
    true
  18. define atrophy
    decrease or shrinkage of cell size
  19. define hypertrophy
    increase in cell size
  20. define metaplasia
    reversible replacement of one mature cell type by another less mature cell type
  21. define hyperplasia
    increase in cell number
  22. Which of the following is an example of a cell type that typically cannot undergo hyperplasia? -hepatocytes -epidermal cells -bone marrow cells -neurons -fibroblasts
    neurons cannot undergo hyperlasia
  23. Hypoxic injury could be caused by all of the following, EXCEPT: Decreased oxygen in the air; decreased hemoglobin; ischemia; anoxia
    tricked you! all could cause hypoxic injury
  24. (T/F)Gradual ischemia is better tolerated because cells can adapt to the reduced level of oxygen.
    true
  25. Name 4 free radical targets:
    lipids; proteins; carbs; nucleic acids
  26. Uric acid accumulation causes what disease?
    gout
  27. Necrosis is ___ cellular death, where apoptosis is ____ cellular death
    "messy" ; "neat"
  28. What is the major factor for osmotic balance of extracellular fluid?
    sodium
  29. (T/F)Edema occurs when reabsorption is greater than filtration.
    false
  30. ADH secretion is triggered by what?
    decrease in circulating blood volume
  31. A diagnostic test for hypovolemic shock is _______
    the orthostatic hypovolume test
  32. A diagnostic test for RA is _______
    looking for antibodies against synovial membranes
  33. A diagnostic test for HIV/AIDS is ________
    CD$ count
  34. (T/F)An anion gap is the space between the endothelial cells and the basement membrane in the renal glomeruli.
    false
  35. (T/F)Diabetic ketoacidosis (DKA) is more common in Type 1 DM than Type 2 DM, due to the complete lack of insulin.
    true
  36. Hyperosmolar hyperglycemic Non-Ketotic Syndrome (HHNKS aka HHS) is more common in Type ____ DM than Type ____ DM
    more common in Type 2 than Type 1
  37. Patients in DKA typically have _______ and, as a result, polydipsia
    polyuria
  38. (T/F) Patients with HHNKS can run blood sugars into much higher ranges than patients with DKA.
    true
  39. (T/F) Neither DKA or HHNKS/HHS are associated with dehydration.
    false
  40. (T/F) Type I (IgE-mediated) hypersensitivity is the mechanism underlying poison ivy allergy.
    false
  41. Of the patients in the cases with the following diseases, which one has the highest chance of experiencing a cure, at least with currently available methods?
    -RA -SLE -Crohn's -PID -Lung cancer
    PID
  42. Of the patients in the cases with the following diseases, which one had such mild symptoms that he/she did not know there was a need to see medical care?
    -CML -SLE -Crohn's -Melanoma -Lung cancer
    Malignant Melanoma
  43. "macrocytic normochromatic" relates to ______ anemia
    pernicious anemia
  44. Vit B12 deficiency leads to what?
    pernicious anemia
  45. "antibodies against RBCs" relates to _______ anemia
    hemolytic anemia
  46. "low MCHC" relates to ______ anemia
    iron-deficient anemia
  47. Of the following Cases covered so far this spring, which one of the following patients would have been least-likely to be immunosuppressed or have altered inflammatory / immune system at the time of admission?
    -hypovolemic shock -RA -Crohn's -HIV/AIDS -SLE
    hypovolemic shock; all others have altered inflammatory or immune system

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