Select the correct statement regarding the specific disorder of muscular or skeletal system.

Select the correct statement regarding the specific disorder of muscular or skeletal system.
  1. Muscular dystrophy - age related shortening of muscles
  2. Osteoporosis - decrease in bone mass and higher chances of fractures with advancing age
  3. Myasthenia gravis - auto immune disorder which inhibits sliding of myosin filaments
  4. Gout - inflammation of joints due to extra deposition of calcium

Solution

Osteoporosis is age related disease in which bones loose minerals and fibres from the matrix causing decreased bone mass and higher chances of fractures with advancing age. Major causative factors of osteoporosis are imbalance of hormones like calcitonin of thyroid, parathormone of parathyroids, sex hormones and deficiencies of calcium and vitamins.

Asked in: NEET 2012 (Screening)

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