13 Questions
Which of the following arteries is responsible for supplying blood to the structures in the ventromedial regions of the medulla?
Posterior spinal and posteroinferior cerebellar arteries
In central facial paralysis resulting from damage of the facial nucleus, what is affected?
Paralysis of all ipsilateral facial muscles
In a stroke affecting the territory of the middle cerebral artery, where are weakness and sensory loss most severe?
Contralateral face and arm
What is the term for increased muscle tone through the range of motion of the limb?
Rigidity
What is often seen in cases of stroke affecting the territory of the middle cerebral artery?
Akinetic mutism
What is the most likely diagnosis for the 25-year-old man based on the described symptoms?
Multiple sclerosis
Sudden, irregular, shock-like muscle contractions are known as:
Myoclonus
The described neurologic syndrome could be expected from infarction in the territory of the:
Left posterior inferior cerebellar artery
Hemiplegia and sensory deficit on the right side of the body may be caused by infarction in the territory of the:
Right anterior cerebral artery
If the oculomotor nerve is sectioned, each of the following may result except for:
Abduction of the eyeball
Sensory input for taste is carried by:
The facial and glossopharyngeal nerves for the anterior 2/3 and posterior 1/3 of the tongue, respectively
Wernicke's aphasia is usually caused by a lesion in:
A 54 year old accountant was found on the floor with a r... The most likely cause for this condition is:
Test your knowledge of neurology with questions about blood supply to specific brain regions and central facial paralysis. Select the single best answer for each question.
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