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Chapter: 1 / Q: 71
A survey report in 1960 concluded that there was an increase in asthma deaths with the increased use of pressurized aerosol bronchodilators; although the deaths were more because of the severity of disease. This association is:
Chapter: 1 / Q: 72
In a coal mine the expected deaths of coal worker were 7 while the deaths that really occurred were 9. The standardized mortality ratio for coal workers is:
Chapter: 1 / Q: 73
At Lahore Grammar School a student of class II developed mumps. He was isolated from other children till swelling subsided and his brother of class IV who looked apparently healthy was also advised to be away from school for about fortnight. His brother’s type of carrier state is most likely to be
Chapter: 1 / Q: 74
In a colony located near an industrial area 50 people died due to asphyxia and many developed difficulty in breathing and were hospitalized within 24 hours. The cause was the leakage of carbon monoxide from a nearby chemical plant. The distribution of cases in time is suggestive of:
Chapter: 1 / Q: 75
Cement industry is suspected for more deaths among its workers. So the industrialist gets worried and wants to assess whether more deaths are likely in these workers or not. The measure that predicts the mortality in this industrial group is:
Chapter: 1 / Q: 76
The annual report of POF Hospital for the year 2006 shows 200 cases of Myocardial Infarction, 35 cases of Cholecystitis, 105 cases of Pneumonia and 350 cases of Acute Gastroenteritis. The result of this report cannot be generalized on the total population of Wah on account of:
Chapter: 1 / Q: 77
Increased number of Malaria cases was reported in the time intervals between August to October and March to April. There are 2 different periods in a year, where increased malaria transmission is reported. Such an occurrence of malaria cases in time will give a distribution which is:
Chapter: 1 / Q: 78
In the medical OPD of teaching hospital of Wah Medical College, Wah Cantt, diastolic blood pressures of 10 patients were as follows:
Chapter: 1 / Q: 79
In a poor community, there is high prevalence of acute diarrhea cases. The best method for preventing this health problem in the long run is:
Chapter: 1 / Q: 80
In a sample of 49 individuals, the mean total leukocyte count is found to be 7600 cells /mm3, If total leukocyte count follows a normal distribution curve, the 50 % of the individuals will have which of the following values:
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