Which of the following is an incorrect statem | vedclass

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(B) Myasthenia gravis is an autoimmune disorder that affects the neuromuscular junction,leading to fatigue,weakening,and paralysis of skeletal muscles

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$I$ and $III$

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(B) Myasthenia gravis is an autoimmune disorder that affects the neuromuscular junction,leading to fatigue,weakening,and paralysis of skeletal muscles.Statement $(I)$ is incorrect because myasthenia gravis is an autoimmune disorder.Statement $(II)$ is correct as it affects the neuromuscular junction.Statement $(III)$ is incorrect because low $Ca^{++}$ levels in body fluid cause tetany,not myasthenia gravis.Statement $(IV)$ is correct as skeletal muscle paralysis is a symptom of this condition.Therefore,the incorrect statements are $(I)$ and $(III)$.

Which of the following is an incorrect statement about myasthenia gravis?
$(I)$ It is not an autoimmune disorder.
$(II)$ It affects the neuromuscular junction.
$(III)$ It occurs due to low $Ca^{++}$ in body fluid.
$(IV)$ Paralysis of skeletal muscle is a symptom of myasthenia gravis.

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Which of the following is an incorrect statement about myasthenia gravis?$(I)$ It is not an autoimmune disorder.$(II)$ It affects the neuromuscular junction.$(III)$ It occurs due to low $Ca^{++}$ in body fluid.$(IV)$ Paralysis of skeletal muscle is a symptom of myasthenia gravis.