Which of the following anaesthetic agent lacks analgesic effect – a) N2Ob) Thiopentonec) Methohexitoned) Ketaminee) Fentanyl: (A) a, (B) c, (C) ac, (D) bc
Answer is D. Barbiturates (methexitone, thiopentone) do not have analgesic action. Rather they can cause hyperalgesia.