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

Options

A. Muscular dystrophy-Age related shortening of muscles
B. Osteoporsis-Decrease in bone mass and higher chances of fractures with advancing age
C. Myasthenia gravis-Autoimmune disorder which inhibits sliding of myosin filaments
D. Gout-lnflammation of joint due to extra deposition of calcium,

Answer

B

Explanation

Osteoporsis is related disease in which bones loose minerals and fibres from the matrix causing decrased bone mass and higher chances of fractures with advancing age. Major causative factors of osteoporsis are imbalance of hormones like calcitonin of thyroid, parathromone of parathyroids sex hormones and deficiencies of calcium and vitamins. The disease may be classified as primary type 1 primary type 2 or seconndary.
The form of osteoporosis most common in wonmen after menopause is referred to as primary type 1 or postmenopausal osteoperosis.
Secondary osteoporosis may arise at any age and affect men and women equally.