Midbrain quiz

A detailed anatomical diagram of the midbrain highlighting cranial nerves, nuclei, and their fun<wbr>ctions, with visual elements that represent auditory and visual systems.

Master the Midbrain: An Engaging Quiz

Test your knowledge about the midbrain and its intricate functions with this informative quiz designed for students and enthusiasts of neuroscience. Explore various aspects including cranial nerves, reflexes, and the roles of different midbrain nuclei.

24 challenging questions
Multiple-choice format
Perfect for studying or refreshing your knowledge

24 Questions6 MinutesCreated by LearningBrain247

The midbrain contains components of which systems?

Auditory and visual

Taste, hearing, and sense of balance

Regulation of circulation, respiration, and gastrointestinal motility

Integration of sensory information for the coordination of movement

What cranial nerves are located in the midbrain?

CN I and II

CN III and IV

CN V, VI, VII, and VIII

CN IX, X, XI, and XII

Which of the following cranial nerve nuclei of the midbrain is NOT a motor nuclei

Trochlear nucleus of CN IV

Oculomotor nucleus of CN III

Edinger-Westphal nucleus of III

Mesencephalic nucleus of CN V

Which midbrain cranial nerve nucleus has GSE/SE fibers that innervate superior oblique muscle?

Oculomotor nuclus of CN III

Trochlear nucleus of CN IV

Mesencephalic nucleus of CN V

Edinger-Westphal nucleus of III

Which midbrain nucleus when damaged causes diplopia when looking downward?

Mesencephalic nucleus of CN V

Edinger-Westphal nucleus of III

Trochlear nucleus of CN IV

Oculomotor nucleus of CN III

Which cranial nerve nucleus contains primary afferent psudounipolar neurons and recieves input from muscle spindles and the golgi tendon organs of the muscles of mastication?

Trochlear nucleus of CN IV

Mesencephalic nucleus of CN V

Oculomotor nucleus of CN III

Edinger-Westphal nucleus of III

Which nucleus GVE fibers that innervate the sphincter of the iris to produce the pupilllary light reflex and the cilliary ganglion to produce lens accommodation?

Edinger-Westphal of III

Oculomotor nucleus of CN III

Trochlear nucleus of CN IV

Mesencephalic nucleus of V

Which Cranial nerve nucleus passes through the red nucleus before exiting as CN III?

Edinger-Westphal of III

Oculomotor nucleus of CN III

Trochlear nucleus of CN IV

Mesencephalic nucleus of V

Which nucleus projects its fibers bilaterally to innervate the Motor nucleus of CN V and the reticular formation??

Edinger-Westphal of III

Oculomotor nucleus of CN III

Mesencephalic nucleus of CN V

Trochlear nucleus of CN IV

Which of the following Internal midbrain nuclei receives ascending bilateral input from the auditory relay nuclei of the medulla (cochlear nuclei) and pons (superior olivary nucleus) through the lateral lemniscus?

The medial longitudinal fasciculus.....

Interconnects motor nuclei of CN III, IV, and VI to coordinate function of the extraocular muscles

Sends auditory input to the inferior colliculus

Facilitates the discharge of flexor muscles

Helps regulate voluntary movement by projecting dopaminergic fibers to the neostriatum

The superior colliculus does all these things EXCEPT

Mediate audio visual reflexes

Tracking of movement of objects in visual fields (horizontal conjugate gaze)

Project to the tectospinal tract to produce reflex movements of the head and neck

Modulation of pain impulses

The Periaqueductal Gray (PAG) does all of these things EXCEPT

Regulation of autonomic functions

Discharge flexor muscle neurons

Regulation of affective and emotional processes

Modulation of pain impulses

Which Periaqueductal Gray nuclear group contains enkephalinergic neurons involved in the control of pain?

Locus Ceruleus

Dorsal Tegmental nucleus

Mesencephalic nucleus

Dorsal nucleus of Raphe

Damage to the dopaminergic fibers of which internal midbrain nuclei causes Parkinson's disease?

Superior colliculus

Red Nucleus

Periaqueductal Gray (PAG)

Substancia Nigra

Which Periaqueductal Gray nuclear group contains serotonergic neurons?

Locus Ceruleus

Dorsal Tegmental nucleus

Mesencephalic nucleus

Dorsal nucleus of Raphe

Which internal midbrain nucleus projects GABAnergic fibers to the thalamus and dopaminergic fibers to the neostriatum (caudate + putamen)?

Periaqueductal Gray

Red nucleus

Superior Colliculus

Substantia nigra

Which Periaqueductal Gray nuclear group contains noradrenergic neurons?

Locus Ceruleus

Dorsal Tegmental nucleus

Mesencephalic nucleus

Dorsal nucleus of Raphe

The damage to the red nucleus can cause....

Contralateral ataxia

Hydrocephalia

Failure of eye movements

Paresis of upward gaze

Damage to the oculomotor nucleus of III and Edinger Westphal can cause all the following except....

Ipsilateral paralysis of eye movement

Contralateral hemiplegia

Eye oriented down and out

Pupil dilated and fixed

Your patient presents with paresis of upward gaze, hydrocephalus, and failure of eye movements. An MRI reveals a tumor in the pineal region. This patient most likely has...

Weber's syndrome

Benedikt's syndrome

Parinaud Syndrome

Claude's syndrome

A patient comes to your office with contralateral hemiplegia. His eye is oriented down and out on the side of the lesion. Which a lesion caused by what artery could have caused this?

Paramedian branches of posterior cerebral

Pineal tumor

Occlusion of AICA

Occlusion of PICA

Contralateral hemiplegia, ipsilateral paralysis of eye movements, and contralateral ataxia are all symptoms of....

Weber's syndrome

Benedikt's syndrome

Claude's Syndrome

Parinaud syndrome

The difference between Claude and Weber syndrome is?

Only in Claude syndrome is the paramedian branches of the posterior cerebral artery occluded

Claude syndrome has ipsilateral paresis of the eyes while Weber syndrome does not

Claude syndrome injures the corticospinal tract while weber does not

A patient with claude syndrome will not have contralateral hemiplegia but will have contralateral ataxia

Midbrain quiz

Master the Midbrain: An Engaging Quiz

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