Whenever carbohydrate is available to the body, the human brain depends exclusively on it as an energy source.

Question

Quizplus · Accepted Answer

The human brain mainly relies on glucose, which comes from carbohydrate, as an energy source. If carbohydrate is not available, the body can use other sources such as fats and proteins to produce glucose, but this is usually not the preferred source of energy for the brain. This statement is true. The brain does depend exclusively on carbohydrates when they are available as an energy source. However, in the absence of carbohydrates, the brain can also use ketones produced from fatty acids as an alternative source of energy.

Whenever Carbohydrate Is Available to the Body, the Human Brain