Pg Blazer - Online Test Series 24 - Pathology

10 Questions | Total Attempts: 1478

SettingsSettingsSettings
Medical Test Quizzes & Trivia

Subject wise MCQ test - Pathology. For more online practice tests, go to PG Blazer Online Test Series


Questions and Answers
  • 1. 
      Which of the following pigments are involved in free radical injury
    • A. 

      Lipofuscin

    • B. 

      Melanin

    • C. 

      Bilirubin

    • D. 

      Hematin

  • 2. 
      Why fetal cells continue to divide but terminally differentiated adult cells do not divide
    • A. 

      There are many cyclin inhibitors which prevent cells from entering into S phase in adult

    • B. 

      Phosphatase is absent in fetal cells

    • C. 

      Proteinase is absent in fetal cells

    • D. 

      Absence of CD kinase

  • 3. 
      Toll like receptors, recognize bacterial products and stimulates immune response by,
    • A. 

      Perforin and granzyme mediated apoptosis

    • B. 

      FADD ligand apoptosis

    • C. 

      Transcription of nuclear factor mediated by NFKB which recruits cytokines

    • D. 

      Cyclin

  • 4. 
      C-C beta chemokine includes
    • A. 

      LL-8

    • B. 

      Eotaxin

    • C. 

      Lymphotactin

    • D. 

      Fractalkine

  • 5. 
      In acute inflammation due to the contraction of endothelial cell cytoskeleton, which of the following results
    • A. 

      Delayed transient increase in permeability

    • B. 

      Early transient increase

    • C. 

      Delayed permanent increase

    • D. 

      Early permanent increase

  • 6. 
      Most pathognomonic sign of irreversible cell injury
    • A. 

      Amorphous densities in mitochondria

    • B. 

      Swelling of the cell membrane

    • C. 

      Ribosomes detached from endoplasmic reticulum

    • D. 

      Clumping of nuclear chromatin

  • 7. 
      The most common gene defect in idiopathic steroid resistant nephrotic syndrome
    • A. 

      ACE

    • B. 

      NPHS 2

    • C. 

      HOX 1

    • D. 

      PAX

  • 8. 
      An undifferentiated malignant tumour on immunohistochemical stain shows cytoplasmic positivity of most of the tumor cells for cytokeratin. The most probable diagnosis of the tumor is:
    • A. 

      Sarcoma

    • B. 

      Lymphoma

    • C. 

      Carcinoma

    • D. 

      Malignant Melanoma

  • 9. 
      A 50-year-old male presented with signs and symptoms of restrictive heart disease. A right ventricular endo-myocardial biospy revealed deposition of extracellular eosionophilic hyaline material. On transmission electron microscopy, this material is most likely to reveal the presence of:
    • A. 

      Non branching filaments of indefinitive length

    • B. 

      Cross banded fibres with 67 m periodicity

    • C. 

      Weber Palade bodies

    • D. 

      Concentric whorls of lamellar structures

  • 10. 
      Sections from a solid-cystic uniliateral ovarian tumor in a 30-year old female show a tumor composed of diffuse sheets of small cells with doubtful nuclear grooving and scanty cytoplasm. No Call-Exner bodies are seen. The ideal immunohistochemistry panel would include:
    • A. 

      Vimentin, epithelial membrane antigen, inhibin, CD99

    • B. 

      Desmin, S-100 protein, smooth muscle antigen, cytokeratin

    • C. 

      Chromogranin, CD45, CD99, CD20

    • D. 

      CD 3, chromagranin, CD 45, synaptophysin

Back to Top Back to top