All of the following statements concerning the fate of lactate produced by skeletal muscle during strenuous exercise are true EXCEPT which one?
A) It diffuses out of the muscle cell into the surrounding interstitial fluid.
B) It is converted to glucose in the liver.
C) It is oxidized to carbon dioxide and water in skeletal muscles.
D) It is utilized as an energy source by cardiac muscles.

Question

Quizplus · Accepted Answer

Lactate produced by skeletal muscle during strenuous exercise is not primarily oxidized to carbon dioxide and water in skeletal muscles. Instead, it is often transported to the liver where it can be converted back to glucose (Cori cycle) or used as an energy source by other tissues, such as the heart.

All of the Following Statements Concerning the Fate of Lactate