A 56-Year-Old Man Is Brought to the Emergency Department Due

question 237

Multiple Choice

A 56-year-old man is brought to the emergency department due to weakness and difficulty speaking.  He has a history of hypertension, cigarette smoking, and polysubstance use.  The patient experienced a headache while smoking crack cocaine the previous night.  This morning, he was found on the bed unable to move or speak.  On physical examination, the patient is awake with normal pupillary responses.  Vertical eye movements are intact, but horizontal eye movements are impaired.  There is loss of motor strength in the upper and lower extremities bilaterally.  Ischemic infarction from cocaine-induced vasospasm is suspected.  A lesion involving which of the brain regions is the most likely cause of this patient's current condition?

• A)Angular gyrus
• B)Cingulate gyrus
• C)Ventral midbrain
• D)Ventral pons
• E)Medial medulla
• F)Lateral medulla

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Definitions:

Dementia

A category of brain diseases that cause long term and often gradual decrease in the ability to think and remember, affecting daily functioning.

Cognitive Impairment

Difficulty with cognitive functions such as thinking, remembering, and reasoning to a degree that impacts daily life.

Finances

The management, creation, and study of money, banking, credit, investments, assets, and liabilities.

Cerebrovascular Disease

Disease that occurs when the blood supply to the brain is blocked, causing tissue damage to the brain.