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Acetylcholine Inhibitors...
That would include organophosphates, curare (or tubocuranine), succinylcholine, (a flaccid paralytic used in anesthesia to relax striated muscles for intubation), and various neurotoxins.
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∙ 14y ago
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What is the effect of curare on eliciting an action potential?
it is an alpha-toxin that binds to acetylcholine binding sites on the postsynaptic cell membrane, which prevents the acetylcholine from acting. Curare blocks synaptic transmission by preventing neural impulses to flow from neuron to neuron. It does allow the action potential to travel in the axon, it just doesn't pass it on to the dendrite.
What drugs increase the action of the nervous system?
acetylcholine
Does atropine block only nicotinic receptors?
Atropine does not only block nicotinic receptors but also acetylcholine at muscarinic receptors
Does aricept work?
One of the main problems in Alzheimers disease is a decrease in acetylcholine, a neurotransmittor. Aricept blocks an enzyme called acetylcholine esterase from breaking down acetylcholine so that the available neurotransmittor can work for a longer period of time.
While Botulinum toxin blocks the release of acetylcholine the tetanoid toxin actually blocks the release of GABA. How would the effects of tetanoid toxin exposure be different from the results of BT?
The blocking of GABA release will cause convulsions, where as the blocking of acetylcholine will cause paralysis.
What is an autoimmune disorder that involves the action of the neurotransmitter acetylcholine?
myasthenia gravis
What is the neurotransmitter of alpha-motor neuron?
Alpha-Motor neurons release the neurotransmitter acetylcholine at a synapse called the neuromuscular junction. When the acetylcholine binds to acetylcholine receptors on the muscle fiber, an action potential is propagated along the muscle fiber in both directions.
What is the neurotransmitter of the motor neuron?
Alpha-Motor neurons release the neurotransmitter acetylcholine at a synapse called the neuromuscular junction. When the acetylcholine binds to acetylcholine receptors on the muscle fiber, an action potential is propagated along the muscle fiber in both directions.
What does anticholinergic mean?
"Anticholinergic" means "that which inhibits the physiological action of acetylcholine at a receptor site".
When an action potential arrives at the neuromuscular junction the most immediate response?
acetylcholine is released
How does atropine work?
Anticholinergic agent/ parasympatholytic that inhibits the action of acetylcholine at the postganglionic parasympathetic receptor sites. Increases the heart rate in life threatening bradyarrhythmias.
What agent blocks enzymes resulting in a cholinergic crisis?
There are many. The enzymes that can be affected are choline acetyltransferase (for making acetylcholine), and acetylcholinesterase (for breaking down acetylcholine). The most commonly used enzyme inhibitors affecting the cholinergic system are the acetylcholinesterase inhibitors, such as physostigmine, or neostigmine, etc.
