When there is an immediate drop in pH after carbohydrate consumption, this is termed:

A) Stephan curve
B) Liken curve
C) Liken drop
D) Strait of Reitz


A
Explanation: A) There is an immediate drop in pH when any fermentable carbohydrate is consumed, followed by a slower recovery period to a neutral pH than when other foods are eaten. This drop-and-recovery curve has been termed the Stephan curve after Dr. Robert Stephan, an officer in the United States Public Health Service, who first reported the continuous, cyclic change in pH that followed eating and drinking of different foods and beverages.

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