The correct option is
B Gout
Gout- It is an inflammatory disease which causes inflammation of joints. It is caused by the accumulation of uric acid crystals. Gout is caused by a condition known as hyperuricemia, where there is too much uric acid in the body due to a defect in purine metabolism. The body makes uric acid when it breaks down purines, which are found in your body and the foods you eat. Its main symptoms involve pain, swelling and redness.
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Tetany - It is a disorder in which wild contractions of the muscles take place this occurs due to the low calcium concentration in the body fluid. Voice box, hand and feet are the common part of the body which are affected by this. It also causes spasms in the body.
Myasthenia Gravis - It is an autoimmune disease is a condition in which your immune system mistakenly attacks your body.
It leads to varying degrees of skeletal muscle weakness. The most commonly affected muscles are those of the eyes, face, and swallowing. It can result in double vision, drooping eyelids, trouble in talking and walking.
Muscular Dystrophy - It is a disease that involves progressive degeneration of skeletal muscle mostly due to genetic disorder. It affects tissues or organs, which will increasingly deteriorate over time