True or false (total 5 points, 1 point each)

1. An enlarged tonsil exceeding the arcus pharyngopalatinus is classified as grade I enlargement. ( )
2. If bowel sounds cannot be heard within 2 minutes, it is defined as a loss of bowel sounds. ( )
3. The intensity of a heart murmur does not always correlate with the severity of structural heart disease. ( )
4. Heart percussion on the left side of the chest starts 0.5-1cm outside the point of maximum impulse. ( )
5. Body mass index is calculated by dividing height (in meters) by weight (in kg) squared. ( )

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