The primary energy source for the brain is
A)lactate.
B)triacylglycerols.
C)amino acids.
D)fructose.
E)glucose.

Question

Quizplus · Accepted Answer

The primary fuel for the brain is glucose, which is transported into the brain cells via specific glucose transporters found on the blood-brain barrier. While other energy sources like lactate, amino acids, and fatty acids may be used by the brain under certain conditions, glucose is the primary source of fuel for the brain to maintain its activity.

The Primary Energy Source for the Brain Is