Match the disorders listed in column-I with their description in column-II.
Column-IColumn-II(a)Gout(i)Autoimmune disorder affecting neuromuscular junctions(b)Tetany(ii)Progressive degeneration of skeletal muscles due to genetic disorder(c)Myasthenia gravis(iii)Rapidspasms due to low Ca^{2+} in body fluids(d)Muscular dystrophy(iv)Accumulation of uric acid crystals in joints
Choose the correct option.