The fruity breath odor in diabetic ketoacidosis is due to the presence of which substance in the breath?

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Multiple Choice

The fruity breath odor in diabetic ketoacidosis is due to the presence of which substance in the breath?

Explanation:
Fruity breath in diabetic ketoacidosis comes from acetone, a volatile ketone produced when fat metabolism accelerates due to insulin deficiency. The liver makes ketone bodies such as acetoacetate and beta-hydroxybutyrate for energy, but acetone is the one that escapes into the breath because it is volatile, giving the characteristic fruity odor. Glucose isn’t volatile and doesn’t produce this smell, insulin isn’t exhaled as a scent, and urea isn’t responsible for a fruity breath.

Fruity breath in diabetic ketoacidosis comes from acetone, a volatile ketone produced when fat metabolism accelerates due to insulin deficiency. The liver makes ketone bodies such as acetoacetate and beta-hydroxybutyrate for energy, but acetone is the one that escapes into the breath because it is volatile, giving the characteristic fruity odor. Glucose isn’t volatile and doesn’t produce this smell, insulin isn’t exhaled as a scent, and urea isn’t responsible for a fruity breath.

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