QUESTION 9 Two brothers walk into a seafood restaurant and each orders the sword

Question

QUESTION 9

         Two brothers walk into a seafood restaurant and each orders the swordfish special. The older brother, who weighs twice that of his younger brother, orders the 16-ounce Mega-Hungry portion. The younger brother orders the smaller 8-ounce portion and cautions his older brother that he should be careful how much he eats since swordfish contains mercury. The older brother scoffs and declares that he is receiving the same toxicological dose. The younger brother disagrees,saying "you're eating twice as much, you hog".  Presuming their meals derived from the same fish, which brother is correct?   

         Older brother (maybe)

         Younger brother

         Neither

         Cannot determine with information provided

         Older brother (maybe)

         Younger brother

         Neither

         Cannot determine with information provided

Explanation / Answer

Older borther is correct as the estimated dose of contaminant is measured as terms of quantity of contaminant eaten per unit body weight. Since the older brother is weighs twice as that of younger brother, both are obtaining same amount of toxic substance from the food. Option A is the correct answer.

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