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WorksheetsOculomotor Nerve Quiz
Total questions: 15
Worksheet time: 8mins
What type of nerve is the Oculomotor Nerve?
Sensory (with sympathetic fibers)
Sensory
Motor (with parasympathetic fibers)
Mixed
Where does the Oculomotor Nerve originate?
Medulla oblongata
Midbrain
Cerebellum
Pons
Which structure does the Oculomotor Nerve exit the skull through?
Jugular foramen
Optic canal
Superior orbital fissure
Foramen ovale
Which muscle is NOT innervated by the Oculomotor Nerve?
Inferior oblique
Lateral rectus
Medial rectus
Superior rectus
What is the function of the sphincter pupillae?
Facilitates accommodation
Constricts the pupil
Elevates the eyelid
Controls eye movement
Which division of the Oculomotor Nerve innervates the Levator palpebrae superioris?
Trochlear division
Ciliary division
Superior division
Inferior division
What is a common effect of a lesion in the Oculomotor Nerve?
Constricted pupil
Ptosis (drooping eyelid)
Loss of taste sensation
Inability to move the jaw
What does 'Down & Out' eye position indicate?
Increased intraocular pressure
Unopposed action of Lateral rectus and Superior oblique
Injury to the optic nerve
Overactivity of the ciliary muscle
Which condition can cause a lesion effect in the Oculomotor Nerve?
Parkinson's disease
Uncal herniation
Alzheimer's disease
Multiple sclerosis
What is the effect of parasympathetic loss in the Oculomotor Nerve?
Decreased eyelid elevation
Constricted pupil
Dilated pupil (mydriasis)
Increased accommodation
Which muscle is innervated by the inferior division of the Oculomotor Nerve?
Superior rectus
Superior oblique
Inferior rectus
Levator palpebrae superioris
What is the role of the ciliary muscle?
Constricts the pupil
Facilitates accommodation for near vision
Elevates the eyelid
Controls eye movement
Which artery's aneurysm can affect the Oculomotor Nerve?
Basilar artery
Posterior communicating artery
Middle cerebral artery
Anterior communicating artery
What is the primary function of the Levator palpebrae superioris?
Constricts the pupil
Elevates the eyelid
Facilitates accommodation
Controls eye rotation
Which of the following is a symptom of Oculomotor Nerve damage?
Loss of hearing
Loss of accommodation
Loss of vision
Loss of smell
