10 Questions
Which cranial nerve is responsible for voluntary motor to the superior oblique muscle?
CN IV
What is the normal action of the inferior oblique muscle?
Abduction and lateral rotation of the eyeball
What is the pathway of the oculomotor nerve (CN III)?
From the midbrain, through the superior orbital fissure, to the eyeball
What is the function of the general visceral efferent (GVE) modality of the oculomotor nerve?
Visceral motor (parasympathetic) innervation to the sphincter pupillae
Which of the following is a common cause of oculomotor nerve (CN III) injury?
Diabetic neuropathy
What is the action of the lateral rectus muscle?
Abduction of the eyeball
What is the normal action of the superior oblique muscle?
Abduction, depression, and medial rotation of the eyeball
What is the common presentation of a patient with an oculomotor nerve (CN III) injury?
Ptosis, mydriasis, and down and out gaze
How should the cranial nerves III, IV, and VI be tested?
Test each eye individually
Which foramen does the abducens nerve (CN VI) exit through?
Superior orbital fissure
Explore the anatomy of the rubrospinal, vestibulospinal, and reticulospinal tracts in controlling muscle tone, balance, and reflexes. Learn about the lobes and functions of the cerebellum including the anterior, posterior, and floculonodular lobes.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
