i)Oxytocics: These are the drugs which have stimulant effect on the motility of the uterus.
OR
An agent that causes expulsion of the contents of uterus by contracting the uterine muscles.
Example- Ergot
ii)Cardiotonic: are the drugs which give strength or energy to the activity of the hearth.
OR
Cardiotonics increases the force of contraction of cardiac muscles and stimulates the overall
activity of the heart.
Example: Digitalis ,Arjuna ( any 1 )
iii) Antitussive: are the agents which act upon the pulmonary membrane that hasten or alter
expectoration.
OR
These are the agents which relieves or suppreses the cough.
Example- Vasaka, Tulsi, Tolu balsam, ( any 1 )
iv)Astringents: Astringents are the agents which precipitate proteins and causes contraction of
smooth muscles.
Example: Black catechu , pale catechu , Amla ,Clove ,Cinnamon ( any 1 )