SUMMARY AND REVIEW. 



Permanganate as a disinfectant. Oxalic Acid 

 in comparison. 



Value of Normal. Salt Solution. Its prepa- 

 ration, when and how used. 



How Formalin may be as effective as bichlo- 

 ride of mercury, or carbolic acid. 



Boracic Acid, mild, non-irritating, much 

 used for the purpose of irrigation. 



American Standard and Thiersch's Solution 

 — their composition and uses. 



Balsam of Peru combined with an oil one of 

 the best dressings for burns. 



Sterile Water — process of sterilization. 

 Distilled water. Filtered water not used with- 

 out sterilizing in aseptic surgery. 



QUESTIONS FOR REVIEW. 



I. — Is carbolic acid a complete germicide? 

 In what class of diseases is it safest to employ 

 other disinfectants rather than carbolic acid? 



State accurately how to prepare a carbolic 

 acid solution suitable for use in surgical prac- 

 tice. 



II. — Why is bichloride of mercury unsafe to 

 use for disinfecting excreta, pus, etc. ? Surgical 

 instruments ? How would you prepare one pint 

 of bichloride of mercury solution 1-4,000 from 

 a solution 1-1,000 as a base? 



III. — What can you say of the efficiency of 

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