Commonly used route of administration for general anaesthesia is

Ans. b (Intravenous). (Ref: Anesthesia by Ajay Yadav 2nd/pg. 71; KD Tripathi, 5th/pg. 342)INTRAVENOUS ANAESTHESIA# The most commonly used route of administration used for general anesthesia is IV for induction of anesthesia and inhalational agents are preferred for maintenance.# The most commonly used IV anesthetic agent for induction is thiopentone,# Ideal characteristics of IV anesthetics are- Compatible with other dugs- High therapeutic index- Inexpensive- Independent of liver/kidneys for metabolism/excretion- No toxic metabolites- Long shelf life and resistance to microbial contamination- Non-cumulative- Non-allergenic- No cardiopulmonary depression- No effect on cerebral blood flow- No endocrinologic effect- No pain on injection- Quick and smooth induction-recovery- Reversible with specific antagonist- Potent, so small volume is required for anesthetic induction/maintenanceIV Anesthetic agents:BarbituratesNon-barbituratesDissociatives- Oxybarbiturate - pentobarbital and methohexital- Thiobarbiturates - thiopental and thiamylal- Propofol- Etomidate- Alphaxalone- PropanididKetamineTiletamine