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.Management Sciences
Category: Local And General Anesthetics
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
Cardiac arrhythmias are most commonly seen during administration of____________?
A. Thiopental
B. Halothane
C. Ethyl Ether
D. Nitrous oxide
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
General anaesthetic most likely to cause bronchodilation is_____________?
A. Thiopentone
B. Ketamine
C. Propofol
D. Fentanyl
Nitrous oxide is carried in the blood stream by_____________?
A. Haemoglobin
B. White blood cells
C. Red Blood cells
D. Serum
Relative contraindications for the administration of Ketamine hydrochioride include all of the following EXCEPT ?
A. Age < 5 years
B. History of epilepsy
C. Raised intracranial tension
D. Recent anterior myocardial infarction
Local anaesthetics act by inhibiting_____________?
A. Motor fibers only
B. Motor and sensory fibres
C. Only sensory fibres
D. None of the above
Lidocaine produces its antiarrhythmic effects by_____________?
A. Increasing A-V conduction
B. Decreasing cardiac excitability
C. Increasing cardiac conduction velocity
D. Increasing spontaneous pacemaker activity
Which one of the following agents sensitises the myocardium to catechlomines____________?
A. Isoflurane
B. Ether
C. Halothane
D. Proplofol
Which produces dissociative anaesthesia_____________?
A. Propanidid
B. Theiopentone sodium
C. Fentany droperodol
D. Ketamine
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