A 45-Year-Old Man Is Brought to the Emergency Department After

question 730

Multiple Choice

A 45-year-old man is brought to the emergency department after sustaining a traumatic head injury in a motor vehicle collision.  The patient was found unresponsive and had several generalized tonic-clonic seizures during transport.  Medical history includes hypertension as well as alcohol and cocaine misuse.  Temperature is 36.7 C (98.1 F) , blood pressure is 170/96 mm Hg, pulse is 50/min, and respirations are 10/min.  Pulse oximetry shows 98% on mechanical ventilation with 50% oxygen.  On examination, the patient is comatose with midpositioned and fixed pupils and rigid extension of the upper and lower extremities.  Noncontrast CT scan of the head is shown in the image below: Damage to which of the following structures is the most likely explanation for this patient's abnormal posturing?

• A)Cerebellar vermis
• B)Cerebral hemisphere
• C)Cervical spinal cord
• D)Internal capsule
• E)Pons
• F)Substantia nigra
• G)Thalamus

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Definitions:

Nominal GDP

The gross domestic product measured in current prices, without adjusting for inflation.

Money Supply

The overall count of money resources within an economy at a pinpointed moment, incorporating physical currency as well as balances in savings and checking accounts.

Natural Rate of Unemployment

The unemployment rate that arises from all sources except fluctuations in the overall demand for goods and services.

Aggregate Demand Curve

A graphical representation showing the total demand for goods and services in an economy at various price levels, generally illustrating an inverse relationship between the price level and the quantity of output demanded.