UKMLA PLAB AMC USMLE Prometric MCQ

Question Number 0688

Question:
A 34 year old air hostess is celebrating her one thousandth flight at a company reception when she suddenly develops pain in her left eye accompanied by double vision. The next day she visits her physician who noted that the patient has a hoarse voice and has difficulty walking straight. On examination he elicits numbness to prickling in the lower limbs. The next best test is

a) Gastroscopy
b) magnetic resonance imaging of the brain
c) allergy evaluation
d) with 24-h Ambulatory Ph Monitoring
e) chest x-ray