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Category: Psychiatry--->Epidemiology
Page: 1

Question 1# Print Question

Which of the following refers to the incidence rate of dementia in a catchment area?

A. Number of patients with dementia during a specifi ed time interval
B. Number of newly diagnosed patients with dementia
C. Ratio of the number of newly diagnosed patients with dementia during a specified time interval to the total population in the same area
D. Ratio of the number of patients with dementia at a given time to the total population in the same area
E. Number of newly diagnosed patients with dementia who are still surviving at the time of the survey


Question 2# Print Question

In a National Comorbidity Survey carried out in the US, the proportion of the sampled individuals who ever manifested criteria of panic disorder in their lifetime was determined.

This can be best described as which of the following?

A. Incidence
B. Point prevalence
C. Lifetime prevalence
D. Lifetime morbid risk
E. Period prevalence


Question 3# Print Question

Using case records, the number of newly diagnosed cases of psychosis in south-east London was determined for a period of 33 years, between 1965 and 1997. To calculate incidence rate, which of the following is the most suitable denominator?

A. Total south-east London population in the year 1965 minus number of cases
B. Total south-east London population in the year 1997
C. Census of south-east London population aged more than 16 in the year 1981
D. Census of south-east London population aged more than 16 in the year 1965
E. Census of south-east London population aged more than 16 in the year 1997


Question 4# Print Question

Which of the following equations gives the relationship between prevalence and incidence?

A. Prevalence = duration of disease × incidence rate
B. Incidence rate = duration of disease × prevalence
C. Prevalence = mortality rate × incidence rate
D. Incidence rate = mortality rate × prevalence
E. Prevalence = mortality rate × incidence × duration of disease


Question 5# Print Question

A major cause of mortality in schizophrenia is cardiovascular problems. If a new class of antipsychotics with favourable metabolic profile that reduces cardiac risk is introduced, which of the following could happen?

A. Increase in incidence and prevalence of schizophrenia
B. Increase in prevalence of schizophrenia, but reduced incidence
C. Increased prevalence but unaffected incidence
D. Reduction in both incidence and prevalence
E. Both incidence and prevalence will remain unaffected




Category: Psychiatry--->Epidemiology
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