Which one of the following muscle relaxant has the maximum duration of action ?

Related Mcqs:

1. The muscle relaxant effect of succinylcholine lasts for______________?

   A. 1 min
   B. 2 min
   C. 3-5 min
   D. 10 min

2. A patient taking beta-blocker preoperatively, at induction of anaesthesia with fentanyl. Which muscle relaxant should be avoided ?

   A. Pancuronium
   B. Rocuronium
   C. Vecuronium
   D. Atracurium

3. Short-acting non-depolarising muscle relaxant is________________?

   A. Succinylcholine
   B. Pancuronium
   C. Mivacurum
   D. Decamethonium

4. Among the muscles of TMJ the following muscle opposing stabilizing and antagonistic muscle force as far as the disc is concerned_____________?

   A. Medial pterygoid
   B. Temporalis
   C. Lateral pterygoid
   D. External pterygoid

5. Which factor of the following contributes to short duration of anesthetic action of single dose thiopental_____________?

   A. Rapid biotransformation
   B. Rapid accumulation in body fat
   C. High lipid solubility
   D. Ability to enter and leave brain tissue every rapidly

6. Neuromuscular blocking agent with duration of onset of action less than 2 minutes is_________________?

   A. D-tubocuraine
   B. Succinyl choline
   C. Pancuronium
   D. Gallamine

7. Side of action of muscle selanant is______________?

   A. Myoneural junction
   B. Central
   C. Ascending reticular
   D. Red nucleus activating system

8. The skeletal muscle action potential______________?

   A. Is not essential for contraction to occur
   B. Has a prolonged plateau phase?
   C. Spreads in ward to all parts of the muscle via the t- tubule system
   D. Begins with an, in ward movement of K+ ins

9. The action of styloglossus muscle is______________?

   A. Protrusion of tongue
   B. Posteriorly retracts the tongue
   C. Depression of tongue
   D. Elevation of tongue

10. The action of digastric muscle is__________________?

    A. Depression of mandible
    B. Protrusion of mandible
    C. Side- to- side movement of mandible
    D. Depressing the floor of the mouth