Question: Which of the following cannot be used as a surface local anaesthetics ?

• 1. Procaine
• 2. Tetracaine
• 3. Lidocaine
• 4. Benzocaine

Question: About articaine, all are true except_____________?

• 1. Plasma half-life is 90 min
• 2. Is amide which is metabolized in liver
• 3. Mandibular infiltration is more effective than nerve block in mandibular molar teeth
• 4. More breaks down causes more toxicity

Question: Nitrous oxide is______________?

• 1. A good analgesic but a poor anesthetic
• 2. A good anesthetic but a poor analgesic
• 3. A good analgesic and a good anesthetic
• 4. A poor analgesic and a poor anesthetic

Question: Which among the following is Not used for surface anesthesia ?

• 1. Lignocaine
• 2. Procaine
• 3. Tetracaine
• 4. Benzocaine

Question: All of the following causes increase in heart rate except________________?

• 1. Halothane
• 2. Isoflurane
• 3. Sevoflurane
• 4. Desflurane

Question: Which one of the following agents sensitises the myocardium to catechlomines____________?

• 1. Isoflurane
• 2. Ether
• 3. Halothane
• 4. Proplofol

Question: Side of action of muscle selanant is______________?

• 1. Myoneural junction
• 2. Central
• 3. Ascending reticular
• 4. Red nucleus activating system

Question: In the second stage of anesthesia the pupil is_______________?

• 1. Constricted
• 2. Partially dilated
• 3. Normal in size
• 4. Totally dilated

Question: Local anaesthetics act by inhibiting_____________?

• 1. Motor fibers only
• 2. Motor and sensory fibres
• 3. Only sensory fibres
• 4. None of the above

Question: The drug not belonging to amide group_______________?

• 1. Procaine
• 2. Xylocaine
• 3. Lignocaine
• 4. Bupivacaine