I thought the exam was quite challenging ... the question re epidemiology and the origin of a disease was a big extension on the requirements os the syllabus ... features of a epi study focus on lung cancer ... as to leaving early ... I hope u all mentioned constancy , repetition, dose...
True but there were no clues as to the orientation of the picture .... the best and safest bet is B ... examiners would have been looking for clues as to the prac .. ie identification of vascular tissues .. ie lignified walls