Indicate an alfa receptor antagonist which is an efficacious drug in the treatment of mild to moderate systemic hypertension:

Indicate an alfa receptor antagonist which is an efficacious drug in the treatment of mild to moderate systemic hypertension:

The reason for preferring ethosuximide to valproate for uncomplicated absence seizures is:

Chemical mediators in the nociceptive pathway are all of the following EXCEPT:

The symptoms resulting from the combination of disulfiram and alcohol are:

Which of the following phenothiazine derivatives may produce cardiac toxicity,including ventricular arrhythmias cardiac conduction block and sudden death?