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

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 17. Locomotion and movement1 Mark
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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