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USMLE Step 1

USMLE Step 2

Anterior Cerebral Artery

Contralateral paralysis of lower limb

During your assessment of a patient with occlusion of the Anterior Cerebral Artery,  which of the following can be seen?

Contralateral loss of sensation in lower limb

During your assessment of a patient with occlusion of their Anterior Cerebral Artery, which of the following is likely to be seen?

Cranial Nerve Function

Sensory

CN I

Which of the following cranial nerves has only sensory function?

CN II

CN VIII

Motor

CN III

Which of the following cranial nerves has only motor function?

CN IV

CN VI

CN XI

CN XII

Both

CN V

Which of the following cranial nerves has both sensory and motor function?

CN VII

CN IX

CN X

Middle Cerebral Artery

Contralateral paralysis upper limb and face

During your assessment of a patient with middle cerebral artery occlusion which of the following is most likely to be seen?

Contralateral loss of sensation of upper limb and face

Affects Wernicke's area and Broca's area

Middle cerebral artery occlusion is best described as affecting what?

Aphasia if Lesion in Dominant (Left) Hemisphere

Hemineglect if lesion in nondominant (right) hemisphere

Spinothalamic Tracts

Ascending Pathway (Sensory)

Which of the following best describes the spinothalamic tracts?

Lateral

Which portion of the spinothalamic tract transmits information on pain and temperature?

Temperature

Which of the following sensory modalities is most likely carried by the lateral spinothalamic tract?

Pain

Crude Touch

Which of the following sensory modalities is most likely carried by the anterior spinothalamic tract?

Pressure

Decussates at Anterior White Commisure

Which of the following is true regarding the spinothalamic tract?

Lesion

Contralateral Anesthesia

Which of the following is most likely to be seen in a patient with a unilateral lesion of the spinothalamic tract?

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