Which of the following statements are correct about barbiturates?

1.  Hypnotics or sleep producing agents

2.  These are tranquilizers

3.  Non-narcotic analgesics

4.  Pain reducing without disturbing the nervous system


 

(a, b)

Barbituric acid and its derivatives such as veronal, luminal, seconal, Amytal, and Nembutal constitute an important class of tranquilizers called barbiturates. They are used as hypnotics i.e., sleep producing agents.