Full Hearing. Dr. Ruben explains that kittens should fully hear and start responding to sounds, as well as sights, around 25 days after birth. At this point you might notice that baby Rascal perks up his ears when you mimic his high-pitch meowing noise or turns his head when his littermates start crying.
Anticholinergics are a class of drugs that block the action of the neurotransmitter acetylcholine in the brain. They are used to treat diseases like asthma, incontinence, gastrointestinal cramps, and muscular spasms.
The effects of the cholinergic drugs are to produce the same effects as stimulation of the parasympathetic nervous system. These effects include slowing of the heartbeat, increases in normal secretions including the digestive acids of the stomach, saliva and tears.holinergic drugs are also used in control of glaucoma, a disease that is caused by increased pressure inside the eye. Cholinergic drugs usually act in one of two ways. Some directly mimic the effect of acetylcholine, while others block the effects of acetylcholinesterase.