Q.Write short notes on any two disorders of the muscular or skeletal system.

Beyond identifying names for common muscular and skeletal disorders, the source material available for this platform does not go into their detailed causes, symptoms or treatment — so what follows is only a general-knowledge one-line description of each, not textbook-depth exam content, and it should be read honestly as an overview rather than a full explanation.

• Myasthenia gravis is an autoimmune disorder in which transmission of the nerve signal at the neuromuscular junction is impaired, causing abnormal muscle weakness and fatigue.
• Tetany refers to sustained, painful involuntary muscle spasms or cramps, classically associated with a fall in blood calcium levels.
• Muscular dystrophy is a group of inherited disorders marked by progressive weakening and wasting of skeletal muscle over time.
• Arthritis is inflammation of one or more joints, producing pain, swelling and stiffness.
• Osteoporosis is a condition in which bones lose density and become porous and fragile, making them more likely to fracture. …