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Absence of acetylcholine receptors/dystr...

Absence of acetylcholine receptors/dystrophin causes myasthemia gravis.

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Acetylcholine receptors
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Acetylcholine causes

Which receptors are affected in myasthenia gravis ?

Select the correct combination of statements regarding Myasthenia gravis I. It is an auto immune disorder. II. It causes in sufficient ecetylcholine binding that effects muscular contraction. III. Antibodies are developed against acetylcholine. IV. Antibodies are developed against acetylcholine receptors V. It causes drooping of eyelids.

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In myasthenia gravis, acetylcholine

Assertion:Myasthenia gravis is an autoimmune disorder Reason:In this disorder , acetyl choline receptors on the sarcolemma are blocked by autoimmune bodies leading to weakness of muscles

Select correct combination of statements regarding Myasthenia gravis. (i) It is an autoimmune disorder (ii) It causes insufficient acetylcholine binding that affects muscular contraction (iii) Antibodies are developed against acetylcholine (iv) Antibodies are developed against acetylcholine receptors (v) Antibodies are developed against acetylcholine esterase (vi) It causes drooping of eyelids

In Myasthenia gravis acetylcholine

Assertion:When an impules arrives at the end plate of an axon, the vesicals releases acetylcholine into the myoneural junction Reason:Acetylcholine diffuses across the nerve-muscle gap ,binds to receptors on the sarcolemma which gets depolarized and results in cantraction of the muscle fibre.