A man was advised to acidify his urine to help reduce the development of kidney stones.To accomplish that,he has been drinking a large glass of grapefruit juice every day.Which of the following explains why this is ineffective and gives a food choice that will make his urine acidic?
A) Grapefruit juice is not acid-forming when metabolized; cranberry juice is acid-forming and will acidify his blood, resulting in a decreased urine pH.
B) Grapefruit juice is not acid-forming when metabolized; orange juice is acid-forming and will acidify his blood, resulting in a decreased urine pH.
C) Grapefruit juice will acidify both blood and urine, thereby balancing the urine pH; beet juice will change the pH in the urine.
D) Grapefruit juice is not acid-forming when metabolized; a calcium carbonate tablet will acidify his blood resulting in a decreased urine pH.

Question

Quizplus · Accepted Answer

Grapefruit juice, despite its acidic taste, is metabolized to alkaline byproducts, not acidifying the urine. Cranberry juice, on the other hand, produces acid-forming metabolites that can help lower urine pH.

A Man Was Advised to Acidify His Urine to Help