Mt4l4 Elhm Pathology Course (Exam 1)

40 Questions | Total Attempts: 251

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Mt4l4 Elhm Pathology Course (Exam 1) - Quiz

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Questions and Answers
  • 1. 
    Which of the following factors participates in the Formation of inflammatory fluid exudate:
    • A. 

      Increased intravascular osmotic pressure

    • B. 

      Lncreased vascular permeability

    • C. 

      Decreased osmotic pressure of the interstitial tissue

    • D. 

      Vasoconstriction

    • E. 

      All of the above

  • 2. 
    Which oF the following is an effect of chemical mediators :
    • A. 

      Increased vascular permeability

    • B. 

      Chemolaxis

    • C. 

      Fever

    • D. 

      All of the above

    • E. 

      None of the above

  • 3. 
    Which of the following is true about vascular stasis in acute inflammation:
    • A. 

      Lt is mainly induced by vasoconstriction.

    • B. 

      Lt mainly occurs after emigration of leucocytes

    • C. 

      Lt may lead to thrombosis

    • D. 

      AII of the above

    • E. 

      None of the above

  • 4. 
    Which of the following statements is true about the cellular phase of acute inflammation:
    • A. 

      Opsonins play an important role in the process of pavementing

    • B. 

      Neutrophils and monocytes emigrate at the same time.

    • C. 

      Emigration of leucocytes is followed by Ieucopenia

    • D. 

      Giant cells are formed by fusion of neutrophils

    • E. 

      Bacilli are more chernotactic to macrophages while cocci mainly attract neutrophils

  • 5. 
    Which of the following is true about fibrin:
    • A. 

      Deposition of fibrin in inflammatory conditions is known as fibrosis

    • B. 

      Fibrin plays important functions in inflammation & repair

    • C. 

      Cellulitis is characterized by excess fibrin deposition

    • D. 

      All of the above

    • E. 

      None of the abovE

  • 6. 
    Which cf the following is true about chemotaxis:
    • A. 

      This is diversion cf Ieucocytes out of the axial column of blood prior to their emigration

    • B. 

      Typhoid bacilli are strongly chemotactic to neutrophils.

    • C. 

      Complement components are important chemotactic factors

    • D. 

      AlI of the above

    • E. 

      None of the above

  • 7. 
    Which of the following statements is true for neutrophils:
    • A. 

      They are the first cells to emigrate in acute inflammation

    • B. 

      They are the most predominant cells in chronic inflammation.

    • C. 

      The most important chemotactic factors for neutrophiis are derived from bacilii.

    • D. 

      They efficiently engulf foreign bodies

    • E. 

      They can give rise to giant cells

  • 8. 
    Which of the following is not a feature of acute inflammation:
    • A. 

      Persistent vasoconstriction

    • B. 

      Vasodilatation

    • C. 

      Lncreased vascular permeability

    • D. 

      Emigration of leucocytes

    • E. 

      Vascular stasis.

  • 9. 
    Which of the following is not a function of fibrin:
    • A. 

      Opsonization

    • B. 

      Sealing of bleeding vessels

    • C. 

      Facilitation of movement of inflammatory cells

    • D. 

      Localization of inflammatory fields

    • E. 

      Facilitation of movement of fibroblasts during repair

  • 10. 
    Which of the following cells engulf fibrin:
    • A. 

      Neutrophils

    • B. 

      Eosinophils

    • C. 

      Macrophages

    • D. 

      Lymphocytes

    • E. 

      Plasma cells

  • 11. 
    Which of the following is true about activation of phospholipase C of phagocytic cells:
    • A. 

      Lt provides the phagocytic cells with phospholipids

    • B. 

      Lt provides the phagocytic cells with energy

    • C. 

      Lt hydrolyses the release of calcium and enhances cell Mobility.

    • D. 

      AIl of the above

    • E. 

      None of the above.

  • 12. 
    Which of the following statements is true for hepatic steatosis :
    • A. 

      May be caused by alcohol intake

    • B. 

      May occur in cases of hepatitis C

    • C. 

      May be followed by cirrhosis.

    • D. 

      All of the above

    • E. 

      None of the above

  • 13. 
    The following are features of apoptosis except:
    • A. 

      Lt is always caused by irritànts such as anoxia, bacteriai infections and alcohol.

    • B. 

      Lt is characterized by fragmentation of nuclear DNA.

    • C. 

      It is characterized by formation of cell membrane blebs.

    • D. 

      Lt is characterized by transformation cf the affected cell into apoptotic bodies.

    • E. 

      Phagocytosis of the apoptotic bodies is common.

  • 14. 
    Caseous necrosis is characterized by all of the following features except:
    • A. 

      Cheese-like material

    • B. 

      Commonly seen in tuberculous Iesions.

    • C. 

      The structural outlines of the necrotic cells are preserved.

    • D. 

      Lt represents partially iiquified coagulative necrosis.

    • E. 

      Microscopically appears as amorphous eosinophilic granular debris.

  • 15. 
    AII of the following changes can be seen in necrotic cells except::
    • A. 

      Pyknosis

    • B. 

      Karyorrhexis

    • C. 

      Mitosis

    • D. 

      Karyolysis

    • E. 

      Cytomegaly

  • 16. 
    Which of the following conditions is characterized by liquefactive necrosis
    • A. 

      Lung infarction

    • B. 

      Cerebral infarction

    • C. 

      Pulmonary tuberculosis

    • D. 

      AlI of the above

    • E. 

      None of the above

  • 17. 
    Which of the following statements is true for dystrophic calcification :
    • A. 

      It is due to hypercalcemia

    • B. 

      Lt affects healthy tissues

    • C. 

      Lt can be seen in tubeculosis.

    • D. 

      Lt cormmonly occurs in teeth and bone

    • E. 

      Lt is more common in arterial lhan venous thrombi

  • 18. 
    Which of the following statements is true for metastatic calcification
    • A. 

      Lt may occur in cases of hyperparathyroidism.

    • B. 

      It is seen in metastatic tumors.

    • C. 

      Calcified thrombi represent a type of metastatic calcitication

    • D. 

      All of the above

    • E. 

      None of the above

  • 19. 
    Which of the following statements is not true tor amyloidosis:
    • A. 

      Amyloid is predominantly a fibril protein.

    • B. 

      Macrophages may play an important role in systemic amyloidosis

    • C. 

      Sudan lll and osmic acid can specifically stain amyloid

    • D. 

      Amyloid is mainly deposited within the walls of small blood vessels

    • E. 

      Amyloidosis may Iead to Addison's disease.

  • 20. 
    The following are causes of systemic amyloidosis except:
    • A. 

      Acute suppurations

    • B. 

      Tuberculosis

    • C. 

      Ulcerative colitis.

    • D. 

      Rheumatoid arthritis

    • E. 

      Mlultiple myeloma.

  • 21. 
    Which of the following types of amyloid affection produces the most serious effects:
    • A. 

      Amyloid sago spleen

    • B. 

      Hepatic amyloidosis

    • C. 

      Renal amyloidosis

    • D. 

      Amyloid diffuse spleen

    • E. 

      Cutaneous amyloidosis

  • 22. 
    In all of the following conditions the amyloid fibril protein is AA except:
    • A. 

      Ulcerative colitis

    • B. 

      Multiple myeloma

    • C. 

      Tuberculosis

    • D. 

      Chronic Iung abscess

    • E. 

      Hodgkin's disoase.

  • 23. 
    Which of the following is true about amyloid deposited within m medullary carcinoma of thyroid:
    • A. 

      The amyloid protein is secreted by macrophages within the thyroid gland.

    • B. 

      The amyloid protein is produced by tumor cells .

    • C. 

      Lt may be accompanied by renal or hepatic amyloidosis.

    • D. 

      The amyloid protein is AL

    • E. 

      None of the above

  • 24. 
    Which of the following conditions associated with abnormal melanin deposition :
    • A. 

      Neurofibromatosis

    • B. 

      Brown atrophy of the heart

    • C. 

      Melanosis coli

    • D. 

      Leukoderma

    • E. 

      All of the above

  • 25. 
    If the following features of the acute inflammatory reaction were placed in chronological order which would come fourth as regard vascular phase ?
    • A. 

      Arteriolar contraction

    • B. 

      Blood flow slows.

    • C. 

      Dilatation of arterioles.

    • D. 

      Emigration of leucocytes from blood vessels.

    • E. 

      Protein rich fluid escapes from blood vessels.

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