What is Basilicon Ointment? Ceratum Resinae. 



What is Deshler's Salve? Compound Resin Cerate. 



What is the best menstruum for extracting a drug? 

 The best menstruum for extracting a drug is one that 

 will deprive it of its active and desirable principles, 

 and leave in the residue those principles which are 

 either inert or objectionable. 



What is Blue Ointment? Unguentum Hydrargyri. 



What is used for (the superscription) in French 

 prescriptions? The letter P., meaning prenez (take). 



What group of atoms are characteristic of all car- 

 bonates? CO 3 



What advantages do Tinctures possess over Fluid 

 Extracts? First, in some cases the alcohol men- 

 struum of the tincture is to be desired; second, tinc- 

 tures may be added in small proportions to aqueous 

 preparations, without serious precipitation. 



From what is Iodine obtained? From the ashes 

 of seaweed, and from the mother-liquor obtained 

 from the crystallization of sodium nitrate in South 

 America, in which it occurs in the forms of sodium 

 iodide and iodate. 



What foreign substances are occasionally found 

 in urine? Sugar, Albumen, Bile and Pus. 



What is Monsell's solution? Liquor Ferri Sub- 

 sulphatis. 



What two strengths of Acetic Acid are found in 

 commerce? The officinal acid and No. 8 acid. The 

 former has a specific gravity of 1.048, the latter 1.040 

 and is 20 per cent, weaker. 



Why is No. 8 Acetic Acid so called? It is called 

 No. 8 acid because it was formerly used in the pro- 

 portion of i to 8, to make dilute acetic acid or dis- 

 tilled vinegar. 



What is glucose? Glucose is grape sugar prepared 

 by the action of dilute Sulphuric Acid upon Starch. 



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