<prompt> Alternating hemiplegia is best described asA neurological deficit involving pairs of cranial nervesA neurological deficit involving limbs on one side and cranial nerves on the other sideA neurological deficit involving four limbs quadriplegiaNeurological deficits involving cranial nerves and limbs on the same side  <response>: Alternating hemiplegia is a neurological deficit involving limbs on one side and cranial nerves on the opposite side. This is most often related to cranial nerves III, VI, and XII. Although the involvement of the body may be the same, if the lesion is in the midbrain the eye is affected; if it is located in the pons specifically, the lateral rectus muscle is involved; and if the lesion is located in the medulla, the tongue is affected. Ref - Harrisons principles of internal medicine 20e pg 2071 