The nurse is collecting a stool sample from an infant with lactose intolerance. Which fecal pH should the nurse expect as the result?
a. 5.5
b. 7.0
c. 7.5
d. 8
ANS: A
An acidic pH (5–5.5) indicates malabsorption, which occurs with lactose intolerance. The normal pH of the stool is 7.0 to 7.5. A finding of 8 would be alkaline.
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