Which of the following anesthetic drugs produces powerful stimulation of the cerebral cortex_____________? A. Cocaine B. Procaine C. Lidocaine D. Tetracaine
Ketamine is a________________? A. Short general anesthetic agent B. Local anesthetic agent C. Antidepressive agent D. Hypnotic agent
Problems associated with nitrous oxide anaesthesia is_____________? A. Behavioral problem B. Sensitizes the heart to adrenaline C. Prolonged difficult induction D. Tachycardia and or arrhythmias
Cardiac arrhythmias are most commonly seen during administration of____________? A. ThiopentalB. Halothane C. Ethyl Ether D. Nitrous oxide
Lidocaine produces its antiarrhythmic effects by_____________? A. Increasing A-V conductionB. Decreasing cardiac excitability C. Increasing cardiac conduction velocity D. Increasing spontaneous pacemaker activity
A patient, without prior medication, breathes a gas mixture consisting of 50 percent nitrous oxide and 50 percent oxygen by volume. Which of the following effects would be expected_____________? A. Analgesia B. Excitation C. Surgical anesthesia D. Respiratory arrest
Chloroxylenol has_______________? A. Local anesthetic property B. Local anesthetic and antiseptic actionC. Antiseptic action D. Antibiotic action
Dissociative Sedation and analgesia described by Robert and Rosebaum in 1971 is____________? A. 5 to 20% N20 B. 20 to 30% N20 C. 30 to 50% N20D. 50 to 70% N20
Which of the following cannot be used as a surface local anaesthetics ? A. Procaine B. Tetracaine C. Lidocaine D. Benzocaine
About articaine, all are true except_____________? A. Plasma half-life is 90 min B. Is amide which is metabolized in liver C. Mandibular infiltration is more effective than nerve block in mandibular molar teeth D. More breaks down causes more toxicity