Competitive Exams: Medical Science MCQs (Practice-Test 82 of 135)

  1. Consider the following organs:

    1. Thyroid

    2. Urinary bladder

    3. Ovary Prostate

    Carcinomas of which of the above organs spread through paravertebral plexus?

    1. 1, 2 and 3

    2. 1 and 4

    3. 2, 3 and 4

    4. 3 and 4 only

  2. Which one of the following statements regarding meningococcal vaccines is correct?

    1. Vaccine against groups A, C, Y and W − 135 is used for prophylaxis.

    2. Vaccine is highly effective in children less than two years of age.

    3. Vaccine against group B is given during outbreaks.

    4. Cell wall outer membrane proteins are the major constituents of the vaccine.

  3. Consider the following:

    1. Hypercalcemia

    2. cushings syndrome

    3. Polycythemia

    4. Hyperglycemia

    Which of the above are endocrinal manifestations in paraneoplastic syndrome?

    1. 1 and 2 only

    2. 1 and 4

    3. 1, 2 and 3

    4. 2, 3 and 4

  4. The source of an epidemic which attains a sharp peak, within a short time, but tails off gradually over a longer period of time will be:

    1. Propagated source

    2. Common source-single exposure

    3. Common source-repeated exposure

    4. Common source to begin with and then continued as a propagated epidemic

  5. Consider the following statements: Chicken pox can be transmitted by

    1. trasplacental route

    2. contact

    3. droplet infection

    4. water

    Which of the above is/are the source/sources of Cadmium pollution?

    1. 2 only

    2. 1, 2 and 3 only

    3. 1, 2, 3 and 4

    4. 1 and 3 only

  6. Consider the following:

    1. Steel industry

    2. Waste incineration

    3. Cigarette smoke

    4. diffused fertilizer in soil

    Which of the above is/are the source/sources of Cadmium pollution?

    1. 1 and 2 only

    2. 1, 2 and 3 only

    3. 1, 2, 3 and 4

    4. 4 only

  7. At present, the most important factor for the rise in global incidence of Tuberculosis is:

    1. Multiple drug resistance

    2. Non-compliance (defaulters)

    3. HIV infection

    4. Failure to follow DOTS

  8. Which one of the following sexually transmitted diseases is not responsible for increasing the chances of getting HIV infection?

    1. Syphilis

    2. Cancroid

    3. Trichomonas vaginalis

    4. Lymphogranuloma venereum

  9. Modified Leprosy Elimination Campaign in high endemicity areas focuses on the following except:

    1. Orientation training to health staff and volunteers

    2. Increase of public awareness

    3. Active search for cases

    4. Starting of survey, education and treatment centres.

  10. Consider the following stages in the development of Lymphatic Filariasis:

    1. Asymptomatic microfilaraemia

    2. Asymptomatic amicrofilaraemia

    3. chronic obstructive lesions

    4. Stage of acute manifestations

    The correct sequence of the above stages is:

    1. 1, 2, 3, 4

    2. 2, 1, 4, 3

    3. 4, 2, 1, 3

    4. 2, 3, 1, 4

  11. Cross infection in hospitals can be prevented by adopting the following measures in a hospital except:

    1. Bed spacing

    2. Barrier nursing

    3. Concurrent disinfection

    4. Specific immunisation

  12. Which on of the following is the correct sequence of enzymes required in DNA replication?

    1. Helicase, topoisomerase, DNA polymerase, DNA ligase

    2. DNA polymerase, DNA ligase, topoisomerase, helicase

    3. Helicase, DNA polymerase, topoisomerase, DNA ligase

    4. DNA polymerase, helicase, DNA ligase, topoisomerase

  13. Relative risk of disease is estimated by:

    1. Addition of incidence among exposed and incidence among non-exposed

    2. Multiplying of incidence among exposed and incidence among nonexposed

    3. Dividing incidence among exposed by incidence among non-exposed

    4. Subtracting incidence among nonexposed from incidence among exposed.

  14. Which one of the following can not be achieved by cross sectional study?

    1. Study of the magnitude of the problem with in a short time

    2. Calculation of the prevalence rate

    3. Study of the natural history of a disease

    4. Planning quick intervention

  15. By randomisation, the investigator

    1. Controls the selection of right sample size

    2. Attempts to eliminate selection bias

    3. Matches known important variables

    4. Attempts to eliminate observer bias