Neurology Quiz #49 Horner Syndrome

1. A 35-year-old woman presents to the clinic complaining of drooping of her right eyelid and a decreased ability to sweat on the right side of her face for the past two months. She also mentions that her right pupil appears smaller than the left. She has a 20-pack-year smoking history. A chest X-ray reveals a mass at the apex of the right lung. Which component of the sympathetic pathway is most likely affected in this patient? 

Question 1 of 5

2. A 45-year-old man comes to the emergency department after experiencing a sudden, severe headache followed by vomiting. Physical examination reveals a right-sided ptosis and miosis. Further imaging studies diagnose a posterior communicating artery aneurysm. Which of the following best explains the cause of the patient's ocular symptoms? 

Question 2 of 5

3. A patient presents with unilateral facial flushing and sweating during meals. He has a history of a neck surgery. Which of the following is the most likely cause of his symptoms? 

Question 3 of 5

4. A 30-year-old man presents to the clinic with a history of progressive difficulty seeing at night and a noticeable decrease in sweating on one side of his face. Physical examination reveals miosis and partial ptosis on the same side as the sweating abnormality. These findings are most consistent with a lesion located at which of the following sites? 

Question 4 of 5

5. A 52-year-old man with a history of hypertension is diagnosed with a carotid artery dissection following sudden onset of headache and neck pain. He also notes that his left pupil is smaller than the right. Which of the following findings is most likely associated with his condition? 

Question 5 of 5


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