• IV – 2-5 minutes
• IM – 10-10 minutes
• Oral – 20-40 minutes

Duration of action – 3-6 hours

1. Anaesthesia – MCQ 13 – Neuromuscular blocking agent with the shortest onset of action
2. Obstetrics & Gynaecology – MCQ 56 – Mechanisms of action of oral contraceptive pill
3. Anaesthesia – MCQ 21 – Muscle relaxant has the maximum duration of action
4. Frusemide