Question

Which of the following statements is the most correct about the risk factors for acquired myasthenia gravis?

correct answer ?

Men are overall more likely to acquire myasthenia gravis

Women are overall more likely to acquire myasthenia gravis

Acquired myasthenia gravis is most common in young adults (under 40 years, male and female)

Acquired myasthenia gravis is most common in older adults (over 65 years, male and female)

There are currently no known risk factors for acquired myasthenia gravis.

Answer 1

ANSWER :

The acquired myasthenia gravis (MS) is a chronic autoimmune disorder, which interrupt the nerve impulse transmission at neuromuscular junctions of skeletal muscles, due to attack of antibodies (self immune system) on the receptors of muscle cells. Since, myasthenia gravis (MS) disorder is associated to the thymus gland (primary lymphoid organ of immune system), it's more commonly identified in younger individuals than old age people. Hence option (3) is the correct answer.