Ella Has Been Taking Large Doses of a Particular Neuromuscular

question 18

Multiple Choice

Ella has been taking large doses of a particular neuromuscular blocker over a very long period of time.Consequently,she has developed signs of respiratory paralysis and has severe trouble breathing.After Dr.Kurt examines her,he concludes that Ella's deteriorating health is the result of the growing concentration of the neuromuscular blocker drug in her system.He prescribes the drug neostigmine to relieve her symptoms.How will the drug neostigmine help counteract the effects of the neuromuscular blocker drug?

• A) It will inhibit the enzyme acetylcholinesterase so that acetylcholine (ACH) accumulates within the synaptic junctions.
• B) It will attach itself to the synaptic vesicles containing ACH and prevent ACH from being released into the synaptic cleft.
• C) It will damage the nicotinic-muscle receptors, thereby altering the ability of these receptors to become stimulated.
• D) It will enhance the activity of the enzyme acetylcholinesterase so that the concentration of ACH in the synaptic cleft decreases.

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