861.The opiate associated with seizures when given in high doses to patients with renal failure is
A.Morphine
B.Pethidine
C.Methadone
D.Fentanyl
E.Codeine

862.Ketamine is closely chemically related to
A.phenylcyclidine
B.LSD
C.Propofol
D.Thiopentone
E.Enflurane

863.All of the following are amide local anaesthetics except
A.Lignocaine
B.Bupivicaine
C.Benzocaine
D.Prilocaine
E.Etidocaine

864.The local anaesthetic associated with methaemoglobinaemia is
A.cocaine
B.prilocaine
C.procaine
D.bupivicaine
E.benzocaine

865.The muscle relaxant most commonly associated with tachycardia is low dose
A.Succinylcholine
B.Atracurium
C.Vecuronium
D.Pancuronium
E.Tubocurarine

866.Regarding neurotransmitter pharmacology in the CNS
A.Strychnine stimulates glycine receptors
B.Atropine antagonizes GABA receptors
C.Butryophenones stimulate dopamine receptors
D.Ondansetron antagonizes serotonin receptors
E.Atenolol stimulates NA receptors

867.Buspirone relieves anxiety without sedation by
A.direct GABAergic stimulation
B.indirect GABAergic stimulation
C.direct noradrenaline receptor stimulation
D.indirect noradrenaline receptor stimulation
E.none of the above

868.The most potent sedative is
A.Diazepam
B.Midazolam
C.Temazepan
D.Phenobarbitone
E.Chloral hydrate

869.Methanol intoxication
A.is partly due to inhibition of aldehyde dehydrogenase
B.is due to the formation of oxalic acid
C.is treated in part with activated charcoal
D.produces renal damage due to crystal formation
E.can be treated with 4 methylpyrazole

870.Carbamazepine is closely related to
A.vigabatrin
B.quinidine
C.sodium valproate
D.metoprolol
E.imipramine