Which of the following is the major substrate used for energy by resting muscle?
A) fructose
B) nonesterified fatty acids
C) glycerol
D) beta-hydroxybutyrate
E) lactate

Question

Quizplus · Accepted Answer

Nonesterified fatty acids (NEFAs) are the major substrate used for energy by resting muscle. This is because resting muscle relies on oxidative phosphorylation for ATP production, which is more efficient in breaking down NEFAs compared to other substrates such as glucose or lactate.

Which of the Following Is the Major Substrate Used for Energy