Because it wouldn't have mattered and right now I'm calm and well-rested.
The amount of work required is essentially determined by your grade on the block 1 exam. If you don't honor or high pass that exam, the amount of work increased exponentially.
Therefore, if you're only passing, it's wise to just pass and devote your time to other courses. (Ones that might lead to saving a life, like Micro or Physio.)
Especially if you don't think knowing the location of the dorsal longitudinal fasciculus will ever save a patient's life (...which I do not).