Medical MCQs

5099 MCQs  (Page 405 of 510)

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
The organ most resistant to GA is______________?
A. Spinal cord
B. Medulla oblonagata
C. Medullary cortex
D. Cerebrum
Which produces dissociative anaesthesia_____________?
A. Propanidid
B. Theiopentone sodium
C. Fentany droperodol
D. Ketamine
The most important property in determining the induction of a general anaesthetic agent is_____________?
A. Alveolar exchage
B. Pulmonary ventilation
C. Solubility of anaesthetic in blood
D. Solubility of anaesthetic in tissue
The drug not belonging to amide group_______________?
A. Procaine
B. Xylocaine
C. Lignocaine
D. Bupivacaine
Local anaesthetics act by inhibiting_____________?
A. Motor fibers only
B. Motor and sensory fibres
C. Only sensory fibres
D. None of the above
In the second stage of anesthesia the pupil is_______________?
A. Constricted
B. Partially dilated
C. Normal in size
D. Totally dilated