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STD 11 - 17. Locomotion and movement — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 17. Locomotion and movement4 Marks
MCQ
In Myasthenia gravis ________ is affected.
  • A
    Sarcoplasmic reticulum
  • B
    Sarcolemma
  • ✓
    Neuromuscular junction
  • D
    $T-$tubules
✓

Answer

Correct option: C.
Neuromuscular junction
c
In myasthenia gravis, neuromuscular junction is affected. It is an autoimmune disease in which the antibodies attack and block the acetylcholine receptors at the post synaptic membrane inhibiting the excitatory effects of neurotransmitter.

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