• complete ptosis : in oculomotor nerve(3) affection.
• affection of oculomotor nerve(3) : Divergent squint.
• affection of abducens nerve(6) : Convergent squint.
• sensation of anterior 2/3 of tongue : trigeminal nerve(5).
• sensation + taste of posterior 1/3 of tongue : glossopharyngeal nerve(9).
• taste of anterior 2/3 of tongue : facial nerve(7).
• all motor nuclei have bilateral supply except motor nuclei of hypoglossal nerve(12) and lower half of nucleus of facial nerve(7) have unilateral supply from opposite side.