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ACBN ACBN Nutrition Science Fundamentals 1

Which macronutrient provides 4 kcal per gram and serves as the primary energy source for the brain?

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  • A timed, full-length ACBN mock exam — 150 questions in 225 minutes with a 70% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
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  • ACBN flashcards built from the same question bank.