The use of antiseptics in hospitals resulted in a. an increase in injury rates. b. more deaths following surgeries. c. new types of x-ray machines. d. a decline in the infection rate.

D. The use of antiseptics in hospitals resulted in a decline in the infection rate.

Explanation:

The term septic, from the Latin word sepsis, can be defined as an invasion of the body, either local or generalized, by pathogenic microorganisms or toxins that cause infection and, in critical cases, may lead to the patient's death.

Antiseptics, therefore, are antimicrobial substances that, when applied to living tissue/skin areas, can eliminate microorganisms and significantly reduce the possibility of infections. The use of antiseptics in surgeries was introduced by the 1867 paper published by Sir Joseph Lister, a british surgeon.  

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