Final answer:
Option A. The statement that mild ketosis can occur during times of starvation or on a low-carbohydrate diet is true. The body initiates ketosis to maintain energy levels when glucose is scarce, using ketone bodies as an alternative energy source. This condition can be significant for brain function and the conservation of amino acids for proteins.
Step-by-step explanation:
The statement is true: Mild ketosis can occur during times of starvation or when consuming a low-carbohydrate weight-loss plan. During starvation or a low-carbohydrate diet, the body may have insufficient glucose, prompting it to enter a state of ketosis as an adaptive mechanism. The body breaks down fatty acids into ketone bodies to provide an alternative energy source for tissues, particularly the brain.
When the body is in survival mode, its first priority is to provide enough glucose for the brain, where ketones serve as an alternative fuel source. The process of converting fatty acids into ketone bodies can also occur during prolonged intense exercises, alcoholism, or uncontrolled diabetes. This metabolic response is designed to conserve glucose and amino acids while utilizing fat reserves, which is vital in maintaining the cellular functions and energy levels.