1. A 74-year-old man has the sudden onset of weakness in the left upper and lower extremities. His tongue is weak and deviates to the right when protruded. The plantar reflex is ext the left. Which of the following is the most likely site of a lesion? A) Genu of the internal capsule B) Medulla C) Midbrain D) Pons E) Posterior limb of the internal capsule

Principles Of Pharmacology Med Assist
6th Edition
ISBN:9781337512442
Author:RICE
Publisher:RICE
Chapter9: The Medication Order
Section: Chapter Questions
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**Neurology Assessment Question**

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**Case Study:**

A 74-year-old man has the sudden onset of weakness in the left upper and lower extremities. His tongue is weak and deviates to the right when protruded. The plantar reflex is extensor on the left. Which of the following is the most likely site of a lesion?

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**Options:**
A) Genu of the internal capsule  
B) Medulla  
C) Midbrain  
D) Pons  
E) Posterior limb of the internal capsule  

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**Note:** Understanding the clinical signs presented in this case is crucial for localizing the lesion within the central nervous system. Symptoms such as weakness in specific extremities, tongue deviation, and plantar reflex responses can provide important clues to the specific area of the brain or brainstem affected.
Transcribed Image Text:**Neurology Assessment Question** --- **Case Study:** A 74-year-old man has the sudden onset of weakness in the left upper and lower extremities. His tongue is weak and deviates to the right when protruded. The plantar reflex is extensor on the left. Which of the following is the most likely site of a lesion? --- **Options:** A) Genu of the internal capsule B) Medulla C) Midbrain D) Pons E) Posterior limb of the internal capsule --- **Note:** Understanding the clinical signs presented in this case is crucial for localizing the lesion within the central nervous system. Symptoms such as weakness in specific extremities, tongue deviation, and plantar reflex responses can provide important clues to the specific area of the brain or brainstem affected.
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