Nitrous oxide is______________? A. A good analgesic but a poor anesthetic B. A good anesthetic but a poor analgesic C. A good analgesic and a good anesthetic D. A poor analgesic and a poor anesthetic

Which among the following is Not used for surface anesthesia ? A. LignocaineB. Procaine C. Tetracaine D. Benzocaine

All of the following causes increase in heart rate except________________? A. Halothane B. Isoflurane C. Sevoflurane D. Desflurane

Which one of the following agents sensitises the myocardium to catechlomines____________? A. Isoflurane B. EtherC. Halothane D. Proplofol

Side of action of muscle selanant is______________? A. Myoneural junction B. Central C. Ascending reticular D. Red nucleus activating system

In the second stage of anesthesia the pupil is_______________? A. ConstrictedB. Partially dilated C. Normal in size D. Totally dilated

Local anaesthetics act by inhibiting_____________? A. Motor fibers only B. Motor and sensory fibresC. Only sensory fibres D. None of the above

The drug not belonging to amide group_______________? A. Procaine B. Xylocaine C. Lignocaine D. Bupivacaine

The most important property in determining the induction of a general anaesthetic agent is_____________? A. Alveolar exchage B. Pulmonary ventilationC. Solubility of anaesthetic in blood D. solubility of anaesthetic in tissue

A dentist who first used ether as a general antithetic was_____________? A. MartinB. Morton C. Morrison D. Murray