Which of the following is recommended as a first-line treatment medication for ADHD? A: Anticholinergic drugs B: Central stimulant C: Selective norepinephrine reuptake inhibitor D: Selective serotonin reuptake inhibitor

Procainamide differs from quinidine in the following respects that A: it has little anticholinergic effect B: it can inhibit Na+ channel C: it has no α-adrenergic blocking activity D: it does not cause paradoxical tachycardia

Methylphenidate is recommended as a first line treatment medication for ADHD. Which type of medication does it belong to? A: Selective serotonin reuptake inhibitor B: Selective norepinephrine reuptake inhibitor C: Anticholinergic drugs D: Central stimulant