The primary source of energy for the brain and nervous system under normal conditions is:
A) sucrose.
B) amino acids.
C) fructose.
D) glucose.
E) fatty acids.

Question

Quizplus · Accepted Answer

Glucose is the primary source of energy for the brain and nervous system under normal conditions. While other macronutrients such as fatty acids and amino acids can also be used for energy, glucose is the preferred source for the brain due to its ability to easily cross the blood-brain barrier and its efficiency in producing ATP through glycolysis.

The Primary Source of Energy for the Brain and Nervous