Neuroanatomy Part 2 - Thalamus, Brainstem, Cranial Nerves

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What is the primary function of the cerebellum?

To control the timing and pattern of muscle activation during movement (correct)

To generate voluntary movement

To process sensory information from the body

To regulate the autonomic nervous system

Which of the following is NOT a function of the thalamus?

Integrating input/output for respiration and cardiovascular function (correct)

Controlling endocrine function through the pituitary gland

Regulating the autonomic nervous system

Relaying sensory information to the cerebral cortex

Which cranial nerve is responsible for the sense of smell?

Cranial Nerve VIII - Vestibulocochlear

Cranial Nerve V - Trigeminal

Cranial Nerve II - Optic

Cranial Nerve I - Olfactory (correct)

Which of the following cranial nerves is responsible for eye movement?

All of the above Signup and view all the answers

What is the primary function of the reticular formation in the brainstem?

To control the sleep-wake cycle Signup and view all the answers

Which of the following structures is NOT part of the brainstem?

Cerebellum Signup and view all the answers

Which cranial nerve is responsible for the sense of hearing and balance?

Cranial Nerve VIII - Vestibulocochlear Signup and view all the answers

What is the function of the thalamus in relation to the cerebral cortex?

The thalamus acts as a relay station, processing and transmitting sensory information to the cerebral cortex Signup and view all the answers

Which of the following cranial nerves is responsible for the sensation of the face and the muscles of mastication?

Cranial Nerve V - Trigeminal Signup and view all the answers

What is the primary role of the brainstem?

To regulate the autonomic nervous system Signup and view all the answers

Which part of the cerebellum is responsible for maintaining equilibrium, balance, and posture?

Vestibulocerebellum Signup and view all the answers

Which cerebellar nucleus receives input from the spinocerebellar tract and is involved in muscle tone and coordination?

Interposed nucleus Signup and view all the answers

Which tract is responsible for the control of distal muscles involved in posture and gait?

Rubrospinal tract Signup and view all the answers

Which cerebellar peduncle carries mostly efferent/motor output from the cerebellum to other brain regions?

Superior cerebellar peduncle Signup and view all the answers

Which part of the cerebellum is considered the youngest and includes the tonsil?

Posterior lobe Signup and view all the answers

Which cerebellar syndrome is characterized by a coarse tremor?

All of the above Signup and view all the answers

Which part of the cerebellum communicates with the cerebral cortex and is involved in planning and initiating movement?

Pontocerebellum/Cerebrocerebellum Signup and view all the answers

Which cerebellar nucleus receives input from the pontocerebellum and projects to the ventrolateral nucleus of the thalamus?

Dentate nucleus Signup and view all the answers

Which cerebellar peduncle carries only afferent/sensory input from the cerebral cortex and superior colliculus to the cerebellum?

Middle cerebellar peduncle Signup and view all the answers

Which condition affecting the cerebellum is characterized by impaired coordination and timing of movements, along with a loss of muscle tone?

Cerebellar dysfunction Signup and view all the answers