NEURO EXAM 3 TEST QUESTIONS WITH CORRECT ANSWERS GRADED TO PASS

What nucleus is associated with CN III? A. Main sensory B. Inferior salivatory C. Edinger-westphal D. Solitarius - C. Edinger-Westphal The optic nerve and retinal are PNS or CNS? - CNS (they are extensions of the CNS because you are looking at the brain when you look inside the eye) True or False: The blind spot is located in the nasal retinal field and the temporal visual field. - True If you turn your head to the right, which vestibular system is activated? A. Left B. Right - B. Right Abducens palsy would be the result of which type of lesion? A. UMN lesion of CN VI B. LMN lesion of CN VI C. LMN lesion of CN IV D. UMN lesion of CN III - B. LMN lesion of CN VI Ptosis, miosis, and anhidrosis are all symptoms associated with which type of condition/lesion? A. CN III lesion B. Horner's syndrome C. Reiter's syndrome D. Wilson's Disease - B. Horner's syndrome Visceral sensory of the anterior 2/3 of the tongue is controlled by which CN? A. CN V B. CN VII C. CN IX D. CN X - B. CN VII True or False: The trigeminal nucleus receives all somatic sensory info from the cranial nerves? - True Which match is INCORRECT? A. Nasopharynx - CN V B. Oral pharynx - CN IX C. Laryngeal -CN X D. Posterior 1/3 of tongue - CN VII - D. Posterior 1/3 of tongue - CN VII If half of your patients face is paralyzed they have an ____ lesion. A. Spinal B. UMN C. LMN D. NOTA - B. UMN Which of the following nerves carry light touch to the back of the throat? A. CN IX B. CN VII C. CN V D. CN VI - A. CN IX The light touch on the back of the throat carried by CN IX goes to what CN after its synapse? A. CN V B. CN IX C. CN VII D. CN VIII - A. CN V If your patient has a cervical subluxation, what will be their physical presentation on the side of the subluxation? - Head slightly extended, laterally flexed, and same side shoulder lifted Patient with anisocoria in the right eye. Which area is the problem in? A. Sympathetic B. Parasympathetic C. Both D. Neither - A. Sympathetic A patient with anisocoria in the right eye may also have what other issues? - Myosis, anhyrosis, and ptosis The gag reflex test which of the following 2 cranial nerves? - CN IX and X Embryonically these 4 CN originate together in the same brachial arch, and are essential for life. - 5, 7, 9, and 10 True or False: the upper half of each side of the face is bilaterally innervated by CN VII. - True You ask your patient to look to the left. The left eye goes left but their right eye does not, they have _______. A. Occulomotor palsy B. Occulomotor lesion C. Abducens palsy D. Abducens lesion - C. Abducens palsy If you put cold water in the patient's right eye, it would stimulate their ______. A. Ipsilateral flexors B. Ipsilateral extensors C. Contralateral extensors D. Contralateral flexors - C. Contralateral extensors