Lateral Medullary Syndrome involves all of the following cranial nerves, Except:

Answer is D (XII CN): Cranial Nerve XII is involved in the Medial medullary syndrome and not in Lateral medullary syndrome. Lateral Medullary Syndrome involves the spinal nucleus of the trigeminal nerve and its tract (CN V); Vestibular nuclei (CN VIII); Nucleus Ambiguous (IX, X, XI) and fibers of the cranial nerves IX and X. Cranial Nerves involved in Lateral Mediallary syndrome: V, VIII, IX, X, XI