NEUROSCIENCES QUIZ # 2

Which of the following cerebellar functions occurs through a negative feedback signal after a short delay to stop the muscle movement from overshooting?

• Sequencing

• Planning

• Equilibrium

• Damping

• Coordination

_______________ nucleus of hypothalamus is involved in sleep-wake cycle in association with pineal gland.

The pathway which conjugates eye movements with head position is called ______ ____________ __________.

Movement of stereocilia away from kinocilium results in _________________ of hair cells.

The EEG waves formed during alert awake state are ____ waves.

The fibers of ascending sensory tracts end in layer __ of cerebral cortex.

Which of the following deficits results from bilateral lesions involving the ventromedial nucleus of hypothalamus?

• Decreased secretion of ADH and oxytocin

• Disturbed sleep-wake pattern

• Excessive eating, rage and aggression

• Inability to recall previous memories

• Tendency to place everything in mouth

Which one of the following functions is performed by ventral posteromedial nucleus of thalamus?

• Connects various thalamic nuclei

• Coordinates motor function

• Forms a second route for visual processing

• Relays sensory signals to cerebral cortex

• Sends auditory signals to auditory cortex

A 50-year-old male was brought to a Neurologist for involuntary movements of entire limb that is flailing, intense and violent. MRI scan showed a vascular infarct involving the subthalamic nucleus. Which one of the following abnormalities describes his condition?

• Athetosis

• Bradykinesia

• Chorea

• Hemiballismus

• Parkinson's disease

A 65-year-old male shows failure to perform rapid alternative movements of hands indicating failure of progression of movement. Which one of the following disorders best describes this cerebellar deficit?

• Dysarthria

• Dysdiodokokinesis

• Hypotonia

• Intention tremors

• Nystagmus