Combined Medical Services Examination Page 8


39. Mousseau-Barbin Tube (M.B.Tube) is used for:
(a) Advance cancer stomach
(b) Advance cancer oesophagus
(c) Advance cancer oropharynx
(d) All of these
40. Which one of the following is the investigation of choice in a patient with
(a) Flexible upper gastrointestinal endoscopy
(b) Barium meal for stomach and duodenum
(c) Contrast enhanced CT scan
(d) Selective left gastric angiography
41. The two important values necessary for describing the variation in a series of
observations are:
Mean and standard deviation
Mean and range
Median and range
Median and standard deviation
The time period between entry of infective agent in a host and maximal
infectivity of that host is:
Incubation period
Serial interval
Generation time
Period of communicability
Consider the following statements:
Symposium is a method of health education characterised by
1. a series of speeches on a selected topic
2. presentation of different aspects of a topic by 3 or 4 experts.
3. a discussion among the symposium members
4. the chairperson making a comprehensive summary at the end of the
Which of these statements are correct?
2 and 3 only
1, 3 and 4
1, 2 and 4
1, 2 and 3


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