Выберете правильную форму глагола.1. Alcohol has / is having a very negative influence on the action of medicines. 2. These drugs have arrested / are arresting bleeding. 3. The urinalysis confirmed / was confirming the presence of albumin. 4. Alcohol usually increases / is increasing the toxicity of barbiturates by more than 50 %. 5. Who prescribes / is prescribing the way of drug administration to a patient at the moment?