Which term represents data obtained from laboratory tests used in nutritional assessment?

• A. Physical Examination
• B. Biochemical Data
• C. Dietary Intake
• D. Imaging Studies

Answer: (B)

Biochemical data are laboratory-based measurements used to assess nutritional status and metabolic function. These objective markers come from blood, urine, or other body fluids and include nutrient levels (like iron, vitamin B12, vitamin D), proteins and enzymes (such as albumin or prealbumin), lipids, glucose, and electrolyte panels. They help identify deficiencies or excesses and monitor responses to nutrition interventions, making them the data type most directly derived from laboratory tests. This distinguishes them from signs observed in a physical examination, which are clinical observations; dietary intake data, which records what a person consumes; and imaging studies, which visualize tissues or structures rather than measure biochemical markers.