A nurse is creating a nutritional plan of care for a child. Which of the following diagnostic tests should the nurse plan to monitor for the child?

A. Cardiac enzymes are not typically monitored in relation to nutritional status. B. Blood coagulation tests are not directly related to general nutrition. C. Arterial blood gases assess respiratory and metabolic function, not nutrition. D. A complete blood count (CBC) can help identify nutritional deficiencies, such as anemia due to iron or vitamin deficiencies.