The most rapidly acting nondepolarizing neuromuscular blocking agent which can be used as an alternative to succinylcholine for tracheal intubation is:
A. Rocuronium
B. Pancuronium
C. Doxacurium
D. Pipecuronium
A. Rocuronium
B. Pancuronium
C. Doxacurium
D. Pipecuronium