Medicine A 35 year old female patient presents with proximal weakness of muscles, ptosis and easily fatiguability. September 2011 A Muscle biopsy B CPK levels C EMG D Edrophonium test 💡 Explanation A 35 year old female patient presents with proximal weakness of muscles, ptosis and easily fatiguability. September 2011 ✓ Correct Answer: D. Edrophonium test