1. Components of the pyramidal system include all of the following except A. Anterior horn cells B. Vestibular nuclei C. Pyramidal tract D. Corticospinal tract 2. Which of the following is a component...

1. Components of the pyramidal system include all of the following except A. Anterior horn cells B. Vestibular nuclei C. Pyramidal tract D. Corticospinal tract 2. Which of the following is a component of the circle of Willis? A. Anterior inferior cerebellar artery B. Posterior spinal artery C. Superior cerebellar artery D. Posterior communicating artery