A 70-Year-Old Man Is Brought to the Emergency Department Due

question 9

Multiple Choice

A 70-year-old man is brought to the emergency department due to sudden-onset weakness in his right arm and leg.  Although he can speak, he cannot pronounce words clearly.  Blood pressure is 170/96 mm Hg and pulse is 80/min.  The patient is alert and oriented.  Neurologic examination shows 3/5 strength in both right upper and lower extremities.  When the patient is asked to stick out his tongue, it deviates to the left.  Sensory examination shows no abnormalities.  Which of the following is the most likely location of this patient's brain injury?

• A)Left lateral medulla
• B)Left medial medulla
• C)Left precentral gyrus
• D)Right lateral medulla
• E)Right medial medulla
• F)Right precentral gyrus

---

Definitions:

Scheme Theory

A cognitive framework or approach that emphasizes the structuring of information into schemas, which are mental representations organizing knowledge and guiding information processing.

Fuzzy Trace Theory

A cognitive psychology theory suggesting people encode information into two types of representations: verbatim (exact details) and gist (the essence or meaning).

Problem Solving

The process of identifying solutions to specific issues or obstacles in a logical and systematic manner.

Applying Rules

The process of utilizing predetermined guidelines or procedural methods in various situations or contexts.