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MCAT Question A Day - 6/23/13 - Answer!

Which of the following circuits would not involve one or more cranial nerves?

A.  Taste
B.  Vision
C.  Chewing
D.  None of the above

The correct answer is (D). All choices involve at least one cranial nerve. Taste: facial (VII) and glossopharyngeal (IX); vision: optic (II); chewing: trigeminal (V).