Ketonemia is defined as which of the following?

Ketonemia is defined as which of the following?

• A. An elevated circulating ketone bodies secondary to increased fatty acid oxidation occurring with starvation, catabolic illness or inadequate dietary carbohydrate intake.
• B. Elevated circulating glucose levels due to insulin resistance
• C. Decreased ketone bodies during fasting
• D. Elevated ammonia

Answer: (A)

Ketonemia means there are higher levels of ketone bodies in the blood, produced when fat breakdown ramps up because carbohydrate is scarce. This shift happens in states like starvation, catabolic illness, or very low carbohydrate intake, leading to increased fatty acid oxidation in the liver and generation of ketone bodies such as acetoacetate and beta-hydroxybutyrate. The other options describe different metabolic changes: high blood glucose due to insulin resistance isn’t about ketones; fasting actually raises ketone production rather than lowers it; elevated ammonia is not related to ketone metabolism.

Ketonemia means there are higher levels of ketone bodies in the blood, produced when fat breakdown ramps up because carbohydrate is scarce. This shift happens in states like starvation, catabolic illness, or very low carbohydrate intake, leading to increased fatty acid oxidation in the liver and generation of ketone bodies such as acetoacetate and beta-hydroxybutyrate. The other options describe different metabolic changes: high blood glucose due to insulin resistance isn’t about ketones; fasting actually raises ketone production rather than lowers it; elevated ammonia is not related to ketone metabolism.