The main class of drug for the treatment and management of Angina attack is what?

Dry mouth is a common adverse effect of anticholinergic agents used to treat overactive bladder syndrome (OAB).Anticholinergic agents prevent involuntary contractions of the bladder detrusor muscle by blocking the action of acetylcholine, a neurotransmitter that stimulates the muscle.However, anticholinergics are not tissue specific, and they also affect other parts of the body where acetylcholine is involved, such as the salivary glands, the gastrointestinal tract, and the eyes.

Choice B is wrong because restlessness is not a typical side effect of anticholinergic agents.In fact, anticholinergics can cause sedation and drowsiness in some people.

Choice C is wrong because increased salivation is the opposite of what anticholinergics do.Anticholinergics reduce the secretion of saliva, causing dry mouth.

Choice D is wrong because diarrhea is also the opposite of what anticholinergics do.Anticholinergics slow down the movement of the gastrointestinal tract, causing constipation.

Some other possible adverse effects of anticholinergic agents include blurred vision, urinary retention, confusion, memory impairment, and increased risk of dementia and mortality.

Therefore, these drugs should be used with caution and under medical supervision.

Atorvastatin is a type ofstatin, which are the most potent antilipidemic agents, and have proven to lower the risk of myocardial infarction by reducing the levels of low-density lipoprotein (LDL) cholesterol and triglycerides in the blood.Statins also slightly increase the level of high-density lipoprotein (HDL) cholesterol, which is beneficial for cardiovascular health.

Choice B, niacin, is a type ofnicotinic acid, which can lower LDL cholesterol and triglycerides, and increase HDL cholesterol, but it is less effective than statins and has more side effects, such as flushing, itching, and liver toxicity.

Choice C, gemfibrozil, is a type offibric acid derivative, which can lower triglycerides and increase HDL cholesterol, but have little effect on LDL cholesterol.They are mainly used for patients with high triglyceride levels or low HDL cholesterol levels.

Choice D, amlodipine, is not an antilipidemic agent at all.It is a type ofcalcium channel blocker, which is used to treat hypertension and angina by relaxing the blood vessels and reducing the workload of the heart.