Competitive Exams: Medical Science MCQs (Practice-Test 104 of 135)

  1. Consider the following statements: Macrophage is activated by

    1. interferon (IFN?)?

    2. transforming growth factor (TGF β)

    3. angiogenesis factor

    4. Fibronectin

    Of these statements

    1. 1 and 4 are correct

    2. 2 and 4 are correct

    3. 1 and 3 are correct

    4. 1 and 2 are correct

  2. Consider the following statements about inflammatory actions of the given substances:

    1. Thromboxane A2 and leukotrienes C4, D4 and E4 cause vasoconstriction.

    2. PGE2 and PGE1 cause vasodilatation.

    3. Leukotrienes C4, D4 and E4 cause increased vascular permeability.

    4. Leukotrience D4 causes chemotaxis.

    Of these statements

    1. 1, 2 and 4 are correct

    2. 1, 2and 3 are correct

    3. 2, 3 and 4 are correct

    4. 1, 3 and 4 are correct

  3. Consider the following types of cells:

    1. Megakaryocytes

    2. Osteoclasts

    3. Foreign-body giant cells

    4. Teuton giant cells

    Among these, physiological giants cells would include

    1. 1 and 2

    2. 1, 2 and 3

    3. 3 and 4

    4. 1, 2, 3 and 4

  4. Which of the following pairs of carcinogenic factors and histological types of cancer are correctly matched?

      • Solar radiation
      • Batal cell carcinoma
      • Heredity
      • Retinoblastoma
      • Herpes virus II
      • Carcinoma cervix

    Select the correct answer

    1. 1, 2 and 3

    2. 1 and 2

    3. 1 and 3

    4. 2 and 3

  5. Match List I (Primary malignancies) with List II (Most common site of metastasis) and select the correct answer.

    List-I List-II
    1. Prostatic carcinoma

    2. Seminoma testis

    3. Carcinoma stomach

    4. Choriocarcinoma

    1. Left supraclavicular lymph nodes

    2. Lungs

    3. Lumbar vertebrae

    4. Paraaortic lymph nodes

    • A
    • B
    • C
    • D
      • 3
      • 4
      • 2
      • 1
      • 4
      • 3
      • 1
      • 2
      • 4
      • 3
      • 2
      • 1
      • 3
      • 4
      • 1
      • 2
  6. All the following conditions are associated with Epsterin Barr virus except

    1. Nasopharyngeal carcinoma

    2. Burkitt's lymphoma

    3. Hodgkin's lymphoma

    4. Infectious mononucleosis

  7. Consider the following cancers:

    1. Retroperitoneal fibrosarcoma

    2. Carcinoid

    3. Gastric carcinoma

    4. Thyroid papillary carcinoma

    Those associated with hypoglycaemia due to the release of an insulin like substance would include

    1. 1 and 2

    2. 3 and 4

    3. 2 and 3

    4. 1, 2 and 4

  8. Elevated levels of which one of the following enzymes is the most sensitive and specific indicator of actue myocardial infarction?

    1. Serum glutamic oxaloacetic transaminase

    2. MB isoenzyme creatinine phosphokinase

    3. Lactatc dehydrogenase

    4. Serum glutamic pyruvate transaminasee

  9. The correct time, sequence of changes in acutely ischaemic myocardial cells is

    1. Depletion of ATP, loss of contractility, irreversible cell injury.

    2. Beginning of ATP depletion, irreversible cell injury, loss of contractility.

    3. Immediate beginning of ATP depletion, loss of contractility, further depletion of ATP, irreversible cells injury.

    4. Irreversible cell injury, ATP depletion, loss of contractility.

  10. Consider the following statements regarding tubercular infection in human beings:

    1. In the case of tuberculosis, it is the dose of infection and not the virulence of the organism that determines whether the infection will be abortive or destructive.

    2. There is only racial resistance and no individual resistance to tuberculosis.

    3. Malnutrition is a contributory factor in the progression of tubercular infection.

    4. Rate of tubercular infection in adults is more amongest diabetics than amongst non-diabetics.

    Of these statements

    1. 1, 2, 3 and 4 are correct

    2. 1 and 3 are correct

    3. 2 and 4 are correct

    4. 3 and 4 are correct

  11. Consider the following descriptive terms

    1. Lymphokines

    2. Spontaneous rosettes

    3. Antigenic determinant carrier molecules

    4. Transfer factor

    Those which are applicable to Tlymphocytes would include

    1. 1, 2, 3 and 4

    2. 1, 2 and 3

    3. 1 and 3

    4. 2 and 4

  12. Erythroblastosis represents which one of the following types of immunologic reactions?

    1. Antibody dependent cell mediated cytotoxicity

    2. Complement dependent cytotoxic reaction

    3. T-cell mediated cytotoxicity

    4. Cell destruction due to IgE antibody mediated release of chemical mediators

  13. Which of the following pairs of autoantibody specific components and autoimmune diseases are correctly matched?

      • Mitochondria
      • Primary biliary cirrhosis
      • Acetylcholine receptor
      • Myasthenia gravis
      • Nuclear antigen
      • Systemic lupus erythematosis

    Select the correct answer:

    1. 1 and 2

    2. 1, 2 and 3

    3. 2 and 3

    4. 1 and 3

  14. Consider the following statements regarding immune mechanism:

    1. Severe deficiency or absence of C3 is associated with increased susceptibility to infection.

    2. All againmaglobulinaemias are Xlinked recessive disorders.

    3. Acquired deficiency of the immunological mechanism can be secondary to lympho-reticular pathology like Hodgkin's disease.

    4. Myeloma-immunoglobulins are protective imnuino-globulins.

      1. 1, 2, 3 and 4 are correct

      2. 1 and 2 are correct

      3. 1 and 3 are correct

      4. 2 and 4 are correct

  15. Which of the following organisms cause food poisoning?

    1. Vibrio chplerae

    2. Salmonella typhimurium

    3. Clostridiumbotulinum

    4. Staphylococcus aureus

    Select the correct answer

    1. 1, 2 and 3

    2. 2, 3 and 4

    3. 1, 3 and 4

    4. 1, 2 and 4