Question

Select the correct statement about muscular disorder.

• A. Accumulation of urea and creatine in joints
• B. An overdose of vitamin D causes osteoporosis
• C. Rapid contraction of skeletal muscles causes dystrophy
• D. Failure of neuromuscular transmission in myasthenia gravis can prevent normal swallowing

Answer 1

Answer: (D)

Failure of neuromuscular transmission in myasthenia gravis can prevent normal swallowing

• Autoimmune diseases are a group of disorders in which tissue injury is caused by humoral (autoantibodies) or cell-mediated (by autoreactive T cells) immune response to self-antigens.
  
• Myasthenia gravis is caused by an autoantibody against muscle antigen and acetylcholine receptor antigen.
  
• It is characterized by increased muscular weakness the make one fatigue. speaking, breathing and talking becomes tired some. The failure of neuromuscular transmission in myasthenia gravis can prevent normal swallowing.
  
• So, the correct answer is 'Failure of neuromuscular transmission in myasthenia gravis can prevent normal swallowing'.