Which of the following anaesthetic agent lacks analgesic effect? A) N2O B) Thiopentone C) Methohexitone D) Ketamine E) Fentanyl
AN2O
BMethohexitone
CKetamine
DFentanyl
EThiopentone
Primary afferent fibers secrete which nociceptive substance at the dorsal horn?
ASubstance P
BAcetylcholine
CNorepinephrine
DEpinephrine
Which of the following is the FIRST-LINE antiemetic drug most commonly used for post-operative nausea and vomiting (PONV) prophylaxis?
ALorazepam
BMetoclopramide
CPromethazine
DOndansetron
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