Local and General Anesthetics Most Important MCQs

1 - A dentist who first used ether as a general antithetic was_____________?






Morton

2 - 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_____________?






Analgesia

3 - About articaine, all are true except_____________?






Plasma half-life is 90 min

4 - After I.V administration of which of the following anesthetic agent, there is rapid recovery and less headedness ?






Propofol

5 - All of the following are inhalational anesthetic agents except_____________?






Ketamine

6 - All of the following are vasodilators except______________?






Cocaine

7 - All of the following causes increase in heart rate except________________?






Halothane

8 - Cardiac arrhythmias are most commonly seen during administration of____________?






Halothane

9 - Centrineuraxial (spinaland epidural) anaesthesia is not contraindicated in____________?






Patient on aspirin

10 - Chloroxylenol has_______________?






Antiseptic action

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






50 to 70% N20

12 - General anaesthetic most likely to cause bronchodilation is_____________?






Ketamine

13 - Hallucinations are seen after ________ anesthesia?






Ketamine

14 - In the second stage of anesthesia the pupil is_______________?






Partially dilated

15 - In which of the following stage general anesthesia surgery is done_______________?






Stage III plane 3

16 - Ketamine is a________________?






Short general anesthetic agent

17 - Lidocaine produces its antiarrhythmic effects by_____________?






Decreasing cardiac excitability

18 - Local anaesthetics act by inhibiting_____________?






Only sensory fibres

19 - Methemoglobinemia is a complication following the administration of_____________?






Prilocaine

20 - Naturally occurring local anaesthetic________________?






Cocaine

21 - Nitrous oxide is carried in the blood stream by_____________?






Red Blood cells

22 - Nitrous oxide is______________?






A good analgesic but a poor anesthetic

23 - Problems associated with nitrous oxide anaesthesia is_____________?






Behavioral problem

24 - Rapid onset of inhalational GA depends on____________?






All of the above

25 - Relative contraindications for the administration of Ketamine hydrochioride include all of the following EXCEPT ?






Recent anterior myocardial infarction

26 - Side of action of muscle selanant is______________?






Myoneural junction

27 - The dentist who first used Nitrous oxide for the abolition of pain due to dental extraction was_____________?






Horace wells

28 - The drug combination which produces Neuroleptanalgesia is______________?






Daroperidol + Fentanyl

29 - The drug not belonging to amide group_______________?






Procaine

30 - The most important property in determining the induction of a general anaesthetic agent is_____________?






Solubility of anaesthetic in blood

31 - The organ most resistant to GA is______________?






Medulla oblonagata

32 - Which among the following is Not used for surface anesthesia ?






Procaine

33 - Which factor of the following contributes to short duration of anesthetic action of single dose thiopental_____________?






High lipid solubility

34 - Which of the following anesthetic drugs produces powerful stimulation of the cerebral cortex_____________?






Cocaine

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






Procaine

36 - Which of the following inhalational agents is the induction agent of choice in children______________?






Sevoflurane

37 - Which one of the following agents sensitises the myocardium to catechlomines____________?






Halothane

38 - Which produces dissociative anaesthesia_____________?






Ketamine

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