Quiz 07/27/2022 (1)

A 65-year-old female presents to the clinic with painless double vision that started abruptly 5 days ago. On exam, pupils are equal, round, and reactive to light bilaterally. On extraocular muscle testing, the left eye has a normal range of motion but the right eye is unable to adduct or elevate. Which of the following is the most likely cause of the patient’s symptoms?

Which of the following is the chemoreceptor trigger zone for vomiting?

A 34-year-old female presents to the clinic with the chief complaint of headaches. She endorses a unilateral, throbbing headache that occurs up to 8 times a month. Episodes can last between 1-3 hours. She admits to nausea and photophobia during her headaches. What is the most likely diagnosis?

Which of the following is the mechanism of action of mitoxantrone?

A 37-year-old man with a past medical history of depression, hypothyroidism, fibromyalgia, and nephrolithiasis presents with a well-documented history of migraine headaches. In the past, his headache frequency was less than 5 days a month but they are now occurring at least three times a week. Your suspicion of secondary causes of headache is low and you are considering starting a prophylactic migraine treatment. Which of the following medications should be avoided?