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Chapter: 1 / Q: 61
A cross-sectional study was conducted at Wah Medical College in the year 2006 to measure the period prevalence of smokers among 105 students. Out of them 5 were already smokers and 15 started during 2006, period prevalence of 2006 is:
Chapter: 1 / Q: 62
In a village of population 10,000, 250 cases of Hepatitis B were reported in the month of July. The point prevalence of Hepatitis B per thousand populations is:
Chapter: 1 / Q: 63
A household survey of 10 families was conducted by students of 4th year MBBS, Wah Medical College In the data they collected, the ages of heads of families were: 32, 34, 35, 36, 36, 42, 44, 46, 48, and 52. The mean age of heads of families is
Chapter: 1 / Q: 64
A woman brings her child to the hospital for mongolism. The possible agent of the disease that comes in your mind is?
Chapter: 1 / Q: 65
A child of three years comes with complaints of night blindness. On examination conjunctiva is dry and corneal haziness is also seen. There is no history of any other disease or injury. The likely agent type is:
Chapter: 1 / Q: 66
A man brought his child with complaints fever, diarrhea and abdominal pain. He gave history of living in an unhygienic small house around a factory area where his son had many friends. He had three more children who also had same complaints off and on. Which environment is likely to have resulted
Chapter: 1 / Q: 67
A new drug was introduced in some of patients to assess its usefulness compared with the old on patients nor did clinicians who evaluated patients for effect under consideration in this clinical trial know individual treatment assignments. This method of assignment is known as:
Chapter: 1 / Q: 68
10 cases of food poisoning had been reported in a hospital, 2 out of these developed mild gastrointestinal symptoms, 4 developed moderate dehydration but recovered and 2 succumbed to the disease. The characteristic of the organism of food poisoning that produces the severest form of the disease is:
Chapter: 1 / Q: 69
The trend in mortality from tuberculosis in England showed a steady fall in years 1855 – 1965 but thereafter a gradual rise in the incidence of this disease was reporte This type of time trend or fluctuation in disease occurrence is termed as:
Chapter: 1 / Q: 70
An outbreak of brucellosis in cattle is reported, threatening the health of human population. This outbreak is:
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