1 Symptoms are due to the effects of excess acetylcholine on nicotinic and muscarinic acetylcholine receptors in the CNS, at neuromuscular junctions, and in the sympathetic, and parasympathetic nervous systems. 2  Nicotinic and muscarinic receptors have different. 3  Functions. 4  Locations.
The reason snake repellents don t work is because there is nothing intimidating to a snake about the smell of naphthalene or sulfur. Even if there were, snakes do not smell the way people traditionally assume they do. Snakes use smell as a method of information.
1 Only use repellents that specifically state on the label that they are snake repellents, and use them only according to the label instructions. 2  Snakes enter areas inhabited by people in search of food and shelter. 3  The easiest thing you can do is make your home and yard less appealing to them.