Competitive Exams: Medical Science MCQs (Practice-Test 101 of 135)

  1. Atypical pneumonia is caused by all of the following except

    1. Mycoplasma

    2. Chiamydia

    3. Kiebsiella pneumoniae

    4. Legionella

  2. The development of portal hypertension in cirrhosis of liver is characterised by

    1. bruises, purpura and epistaxis

    2. splenomegaly, hepatomegaly and spider telengiectasia

    3. splenomegaly, collateral vessels and fetor hepaticus

    4. hepatomegaly. Rough skin and spider telengiectasia

  3. Which of the following conditions show marked elevation of serum gastrin level?

    1. Pernicious anaemia.

    2. Duodenal ulcer.

    3. Zollinger-Ellison syndrome.

    4. Massive resection of small intestine.

    Select the correct answer

    1. 1, 2 and 3

    2. 1, 3 and 4

    3. 1, 2 and 4

    4. 2, 3 and 4

  4. Which of the following are true of Lepromin test?

    1. It is useful in establishing the diagnosis of leprosy.

    2. It. Is useful in classifying leprosy.

    3. It is positive in tuberculoid leprosy.

    4. It is weakly positive negative in borderline leprosy.

    Select the correct answer:

    1. 2, 2 and 4

    2. 1, 3 and 4

    3. 1 and 2

    4. 1, 2, 3 and 4

  5. In respect of rheumatoid arthritis, all of the following are disease modifying drugs except

    1. Penicillamine

    2. Azathioprinne

    3. Sulphasalazole

    4. Gold

  6. Rheumatoid arthritis is most often associated with the antigens

    1. DR 4 and DR 1

    2. DR 3 and DR 5

    3. B 27 and DR 5

    4. DW 3 and DR 5

  7. A young diabetic has weight loss and hyperglycaemia but is not prone to ketoacidosis. He does not have pancreatic calculi. He is most likely to be a case of

    1. IDDM

    2. Diabetes with malnutrition

    3. NIDDM

    4. Diabetes due to casava

  8. Consider the following statements regarding poliomyelitis:

    1. The incubation period is 4 to 35 days.

    2. The post-polio syndrome occurs within a few months after the episode.

    3. Polio virus passes through blood-brain barrier.

    4. Vaccine-associated paralytic poliomyelitis may occur after oral polio vaccine.

    Of these statements

    1. l, 2, 3 and 4 are correct

    2. 1, 3 and 4 are correct

    3. 1 and 2 are correct

    4. 2, 3 and 4 are correct

  9. Which one of the following is not a side effect of neuroleptic drugs used for the management of schizophrenia?

    1. Parkinsomsm

    2. Muscle cramps

    3. Motor restlessness

    4. Tardive dyskinesias

  10. A patient was clinically diagnosed as having meaningitis. CSF findings did not suggest any abnormality on biochemical examination. Subsequently, the patient died. Postmortem examination confirmed the diagnosis of meaningitis. Which one of the following infections was responsible for the death?

    1. Viral infection

    2. Cryptococcal infection

    3. HIV

    4. H influenzae

  11. Assume that a police outpost on a highway reports 15 accidents say in 1994 at a particular point on the highway. Which one of the following would be true in this regard?

    1. The incidence of accidents at the point under reference is 15 per year

    2. The prevalence of accidents is 15 per year

    3. Some additional data is required to calculate the incidence and prevalence

    4. This is a case of accident epidemic

  12. When a new treatment is developed and it prevents death but does not produce recovery from disease, then

    1. prevalence of the disease will decrease

    2. incidence of the disease will increase

    3. prevalence of the disease will increase

    4. incidence of the disease will decrease

  13. The process of matching allows

    1. the matched variables to be evaluated

    2. for selecting the case and control group with the same known confounding variables

    3. matching of factors in doubt

    4. one to avoid focussing on variables desired

  14. Which one of the following is true of a case control study?

    1. It is appropriate for interventional studies

    2. Does response can be studied by case control studies

    3. Direct estimates of relative risk (RR) cannot be obtained from case control studies

    4. It proceeds backwards from effect to cause

  15. Consider the following statements: A statistically significant difference

    1. arises in samples which are similar.

    2. is not likely to arise due to chance.

    3. can be expected in more than 95% of the times.

    Of these statements

    1. 1, 2, and 3 are correct

    2. 1 and 2 are correct

    3. 2 and 3 are correct

    4. 1 and 3 are correct