which of the following is a local anaesthetic

a. Diazepam

b. Procaine

c. Mescaline

d. None of these

Ans. b

Explanation : The anesthetics produce temporary insensibility to the vital function of all type of cells, specially of nervous system and are used during surgical operations. These are classified as (a) General anesthetic – producing unconsciousness all over the body e.g N O . Cyclops propane, chloroform (b) Local anesthetic – Effect only the part of body