Skip to Main Content

++

CHAPTER 6: The Brainstem, Cranial Nerves, and Visual Pathways

++
++
++

A patient with an upper motor neuron lesion in the corticobulbar tract will have:

++
++
++

A. ipsilateral weakness.

++
++

B. bilateral weakness.

++
++

C. contralateral weakness.

++
++

D. no weakness.

+
++

C. contralateral weakness.

++
++
++

The superior colliculus is a ______ center, and the inferior colliculi are involved in ______ processing.

++
++
++

A. taste and sound; vision

++
++

B. sound; vision

++
++

C. visual reflex; sound

++
++

D. motor processing; auditory

+
++

C. visual reflex; sound

++
++
++

A lesion rostral to the pyramidal decussation causes ______ hemiplegia.

++
++
++

A. alternating

++
++

B. bilateral

++
++

C. ipsilateral

++
++

D. contralateral

+
++

D. contralateral

++
++
++

Your patient has bitemporal visual field loss. You suspect a lesion

++
++
++

A. of the left optic nerve.

++
++

B. at the optic chiasm.

++
++

C. at the left optic tract.

++
++

D. at the optic radiation (Meyer loop).

+
++

B. at the optic chiasm.

++
++
++

Presence of consensual pupil response when shining a light in the right eye indicates

++
++
++

A. intact CNs II and III bilaterally.

++
++

B. intact CN III bilaterally.

++
++

C. intact right CN II and left CN III.

++
++

D. intact left CN II and left CN III.

+
++

C. intact right CN II and left CN III.

++
++
++

With locked-in-syndrome, the paralyzed patient is awake, with intact cognition and vertical eye movements due to the following:

++
++
++

A. Corticospinal and corticobulbar tract damage, with sparing of reticular formation and supranuclear ocular motor pathway

++
++

B. Vestibulospinal and spinothalamic tract damage, with sparing of corticobulbar tract and upper cortical function

++
++

C. Spinothalamic and corticospinal tract damage, with sparing of vestibulo-ocular pathways

++
++

D. Brainstem stroke with sparing of spinothalamic and ...

Pop-up div Successfully Displayed

This div only appears when the trigger link is hovered over. Otherwise it is hidden from view.