40.Which of the following muscular disorders is inherited? A. Tetany B. Muscular dystrophy C. Myasthenia gravis D. Botulism
Option B Progressive degeneration of skeletal muscle mostly due to genetic disorder is muscular dystrophy where as tetany is muscular spasm due to low calcium in body fluid. Myasthenia gravis is an auto immune disorder leading to paralysis of skeletal muscles. Botulism is rare and dangerous type of food poisoning caused by bacterium Clostridium Botulinum.