A 35-year-old female presents with difficulty in chewing
her food, dysarthria, dysphonia, dysphagia and regurgitation of food through
her nose. On examination there is ptosis on sustained upward gaze.
This condition may be induced by:
a) Suxamethonium
b)
Beta-blockers
c)
Aminoglycoside antibiotics
d)
Penicillamine
e)
Anticonvulsants
