How many officinal ones? Seventeen. 



Name two. 



Emplastrum Ferri. 

 Emplastrum Saponis. 



Give the officinal name for strengthening plaster. 

 Emplastrum Ferri. 



Give the ingredients of Lead Plaster. Oxide of 

 Lead, Olive Oil, Water Q S. 



Give the ingredients of Belladonna Plaster. 

 Belladonna Root, Alcohol, Resin Plaster, each Q. S. 



From what part of the plant is Belladonna plaster 

 made? The root. 



Gjve the ingredients of Capsicum Plaster. Resin 

 Plaster, Oleoresin of Capsicum, each Q. S. 



Give the officinal name for Court Plaster. Em- 

 plastrum Ichthyocollae. ' 



EXTRACTA FLU I DA Fluid Extracts. 



Are alcoholic solutions of a drug, representing 

 one grain to the minim. 



How prepared? 

 By Maceration. 

 By Percolation 



Give general process for making a fluid extract. 

 Moisten the powder with the menstruum; pack in a 

 percolator; pour menstruum on it until the fluid be- 

 gins to drop. Then stop the lower orifice and mac- 

 erate 48 hours. Then proceed with percolation. 



What great advantages do they possess over tinct- 

 ures? They are uniform, definite and concentrated. 



What acid is used in making Fl. Ext. Ergot? 

 Hydrochloric. 



Why is glycerin used in Fluid Extracts? To pre- 

 vent precipitation. 



