All India Institute of Medical Sciences 2005 M.D /MS Entrance - Question Paper

a) Pectoral
b) Central
c) Lateral
d) Apical
21. The distribution of random blood glucose measurements from 50 1st year medical students was obtained to have a mean of 3.0 mmol/litre with a standard deviation of 3.0 mmol/litre. Which of the subsequent is a accurate statement about the shape of the distribution of random blood glucose in these 1st year medical students?
a) Since both mean and standard deviation are equal, it should be a symmetric distribution
b) The distribution is likely to be positively skewed
c) The distribution is likely to be negatively skewed.
d) Nothing can be stated conclusively.

22. In an investigation to study the effect of smoking on renal cell cancer, it is observed that 30 of the 50 patients were smokers as compared to 10 out of 50 control subjects. The odd ratio of renal cancer associated with smoking will be:
a) 3.0
b) 0.33
c) 6.0
d) 0.16
23. A chest physician observed that the distribution of forced expiratory quantity (FEV) in 300 smokers had a median value of 2.5 litres with the 1st and 3rd quartiles being 1.5 and 4.5 litres respectively. Based on this data how many persons in the smaple are expected to have a FEV ranging from 1.5 to 4.5 litres ?
a) 75
b) 150
c) 225
d) 300

24. If the distribution of intra-ocular pressure (IOP) seen in 100 glaucoma patients has an avg. 30 mm with a SD of 10 what is the lower limit to the avg. IOP that can be expected 95% of times?
a) 28
b) 26
c) 32
d) 25

25. A diagonstic test for a particular disease has a sensitivity of 0.90 and specificity of .90. A single test is applied to every subject in the population in which the diseased population is 10%. What is the probability that a person positive to this test, has the disease?
a) 90%
b) 81%
c) 50%
d) 91%

26. Henoch-Schonlein purpura is characterized by the depositin of the subsequent immunoglobulin around the vessels:
a) Ig M
b) Ig G
c) Ig A
d) Ig E

27. Angiod streaks in the eyes are seen in :
a) Pseudoxanthoma elasticum
b) Tendinous xanthoma
c) Xanthelasma
d) Eruptive xanthoma

28. Exclamation mark hair is a feature of:
a) Telogen effluvium

Earning:   Approval pending.