... mock class taught by Sherman Clark. The case discussed was actually ... both touched on externalities. Professor Clark quipped something to the effect ...
I personally was thinking "body parts" when I tackled this problem. Do keep in mind that this test is quite old; it could be reflecting the contemporaneous common anatomical understanding.
... you come out realizing the parts of the class which might ... difficult for you and the parts which might be easier. You ... stop paying attention to the parts of the lecture/text that ...