ACBN ACBN Clinical Nutrition & Medical Nutrition Therapy 2

Question 1

Which indirect calorimetry measurement is considered the gold standard for determining resting energy expenditure (REE) in clinical settings?

Accepted Answer

Metabolic cart (respiratory gas analysis)

Answer

Metabolic cart calorimetry measures actual oxygen consumption and CO2 production to calculate REE, and is far more accurate than predictive equations.

Question 2

In MNT for celiac disease, which protein must be eliminated from the diet?

Accepted Answer

Gluten (gliadin and glutenin)

Answer

Gluten, composed of gliadin and glutenin found in wheat, barley, and rye, triggers the autoimmune intestinal damage characteristic of celiac disease.

Question 3

A patient with a nasogastric tube feeding who develops diarrhea should first be evaluated for:

Accepted Answer

Formula osmolality, rate, temperature, and medication side effects

Answer

Enteral feeding-related diarrhea is commonly caused by hyperosmolar formulas, rapid infusion rates, cold formula, or concurrent antibiotic/sorbitol-containing medications.

Question 4

The nutrition-focused physical exam (NFPE) assesses which of the following to diagnose malnutrition?

Accepted Answer

Muscle and fat loss, fluid accumulation, and grip strength

Answer

NFPE evaluates muscle wasting (temples, clavicles, scapulae), subcutaneous fat loss, edema, and functional measures like handgrip strength to characterize malnutrition.

Question 5

For patients receiving total parenteral nutrition (TPN), which electrolyte is added to prevent Wernicke's encephalopathy?

Accepted Answer

Thiamine (vitamin B1)

Answer

Thiamine must be added to TPN or given IV before initiating TPN with dextrose to prevent Wernicke's encephalopathy in malnourished or alcoholic patients.

ACBN - Nutritionist Exam Practice Test

ACBN - Nutritionist Exam Practice Test

ACBN ACBN Clinical Nutrition & Medical Nutrition Therapy 2