Pharmacology MCQs

Page No. 36

Nitrous oxide is______________?


aA good analgesic but a poor anesthetic


bA good anesthetic but a poor analgesic


c A good analgesic and a good anesthetic


dA poor analgesic and a poor anesthetic



About articaine, all are true except_____________?


aPlasma half-life is 90 min


bIs amide which is metabolized in liver


c Mandibular infiltration is more effective than nerve block in mandibular molar teeth


dMore breaks down causes more toxicity



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


a Procaine


b Tetracaine


cLidocaine


dBenzocaine


View Answer Procaine

Dissociative Sedation and analgesia described by Robert and Rosebaum in 1971 is____________?


a5 to 20% N20


b20 to 30% N20


c30 to 50% N20


d 50 to 70% N20


View Answer 50 to 70% N20

Chloroxylenol has_______________?


a Local anesthetic property


bLocal anesthetic and antiseptic action


cAntiseptic action


d Antibiotic action


View Answer Antiseptic action

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_____________?


aAnalgesia


bExcitation


cSurgical anesthesia


dRespiratory arrest


View Answer Analgesia

Lidocaine produces its antiarrhythmic effects by_____________?


aIncreasing A-V conduction


bDecreasing cardiac excitability


cIncreasing cardiac conduction velocity


dIncreasing spontaneous pacemaker activity



Cardiac arrhythmias are most commonly seen during administration of____________?


aThiopental


bHalothane


cEthyl Ether


dNitrous oxide


View Answer Halothane

Problems associated with nitrous oxide anaesthesia is_____________?


aBehavioral problem


b Sensitizes the heart to adrenalin


cProlonged difficult induction


d Tachycardia and or arrhythmias


View Answer Behavioral problem

Ketamine is a________________?


aShort general anesthetic agent


b Local anesthetic agent


cAntidepressive agent


dHypnotic agent



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