Clinical Assessment and Nutritional Diagnosis Flashcards
6 cards from real Clinical Nutritionist CCN practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Clinical Assessment and Nutritional Diagnosis flashcards as text
The 2012 Academy of Nutrition and Dietetics/ASPEN consensus statement defines malnutrition using an etiology-based framework. Which etiologic category includes cancer-related malnutrition?
Answer: Chronic disease-related malnutrition with inflammation
Cancer-related malnutrition falls under the chronic disease category, characterized by mild to moderate inflammation that drives muscle wasting and metabolic alterations beyond simple food restriction.
A nitrogen balance study is used in clinical nutrition to assess what?
Answer: Whether protein synthesis exceeds breakdown (anabolism vs. catabolism)
Nitrogen balance (N intake minus N output) determines whether the body is in a net anabolic state (positive balance) or catabolic state (negative balance), reflecting adequacy of protein intake.
Which calculation is used to estimate resting energy expenditure (REE) in clinical practice?
Answer: Mifflin-St Jeor equation
The Mifflin-St Jeor equation is currently recommended by the AND as the most accurate predictive equation for estimating REE in healthy and overweight adults.
In assessing a patient for refeeding syndrome risk, which electrolyte abnormality is most critical to monitor?
Answer: Hypophosphatemia
Refeeding syndrome is characterized by a dangerous drop in serum phosphate as carbohydrate reintroduction stimulates insulin and drives phosphate into cells, potentially causing cardiac arrhythmias and respiratory failure.
Which clinical tool uses calf circumference as a proxy measure for muscle mass in elderly patients?
Answer: Mini Nutritional Assessment (MNA)
The Mini Nutritional Assessment incorporates calf circumference (<31 cm indicates low muscle mass) as part of its anthropometric assessment for older adults.
What does indirect calorimetry measure to determine a patient's actual energy expenditure?
Answer: Oxygen consumption (VO2) and carbon dioxide production (VCO2)
Indirect calorimetry measures VO2 and VCO2 breath-by-breath to calculate actual resting energy expenditure using the Weir equation, providing the most accurate measurement for clinical nutrition support.
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