Answer:
The source is current, because you shouldn't rely on information from 50 years ago.
Myasthenia gravis is caused by an error in the transmission of nerve impulses to muscles. It occurs when normal communication between the nerve and muscle is interrupted at the neuromuscular junction, the place where nerve cells connect with the muscles they control.
The answer is C. Frying is in a pan with oil. Scrambling is mixing the egg. Baking is without liquids. This poaching being an egg boiled in water