The beneficial effect of drug neostigmine in the treatment of Myasthenia gravis is due to the action____________?
Correct answer: B. It inhibits the action of cholinesterase
- A. It is produces more acetylcholine
- B. It inhibits the action of cholinesterase
- C. It produces more acetycholine receptors
- D. It increases the action of cholinesterase
Explanation
Neostigmine reversibly inhibits acetylcholinesterase, so acetylcholine remains longer at the neuromuscular junction and improves muscle strength in myasthenia gravis. It does not directly produce new receptors or acetylcholine.
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