RDN-AP Practice Questions - Advanced Practitioner Certification In Clinical Nutrition (RD-AP RDN-AP) Exam

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An advanced practitioner is asked to interpret a DXA body composition scan in a 68-year-old woman with cirrhosis and ascites. Which limitation MOST affects the validity of fat-free mass estimates in this patient?

DXA underestimates bone mineral content in elderly women Ascites and tissue overhydration cause DXA to overestimate lean soft tissue DXA cannot measure trunk fat in obese patients DXA radiation exposure exceeds clinical thresholds

Correct Answer:

Ascites and tissue overhydration cause DXA to overestimate lean soft tissue

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