NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What is the kcal/g provided by amino acid solutions in parenteral nutrition?

  1. 3.4 kcal/g

  2. 4 kcal/g

  3. 9 kcal/g

  4. 2 kcal/mL

The correct answer is: 4 kcal/g

Amino acid solutions in parenteral nutrition provide 4 kcal/g. This is because amino acids are a major source of energy and are considered to be equivalent to carbohydrates and proteins, which also provide 4 kcal/g each. Therefore, the correct answer is B. Option A, 3.4 kcal/g, is incorrect as it is lower than the standard energy content provided by amino acid solutions in parenteral nutrition. Option C, 9 kcal/g, is incorrect as it is higher than the standard energy content provided by amino acid solutions in parenteral nutrition. Option D, 2 kcal/mL, is incorrect since it refers to the energy content per milliliter whereas the question is specifically asking about the energy content per gram of amino acid solutions.

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