RDN Dietary Assessment 2

Question 1

Which dietary assessment method is considered the gold standard for estimating usual dietary intake over time?

Accepted Answer

Weighed food record

Answer

Weighed food records are considered the gold standard because they capture actual intake without relying on memory.

Question 2

A patient reports eating 'a handful of almonds' as a snack. Which tool would BEST help convert this to grams?

Accepted Answer

Food model aids or portion estimation tools

Answer

Portion estimation tools such as food models, measuring cups, and hand-size guides help translate vague descriptions into measurable quantities.

Question 3

The Multiple Pass Method (MPM) used in the NHANES study involves how many passes?

Accepted Answer

5

Answer

The USDA's Automated Multiple Pass Method uses 5 steps to capture a complete and accurate 24-hour dietary recall.

Question 4

Which type of assessment error occurs when a respondent systematically under-reports intake due to social desirability?

Accepted Answer

Systematic bias

Answer

Systematic bias occurs when reporting errors are consistent in one direction, such as under-reporting high-calorie or stigmatized foods.

Question 5

When calculating nutrient intake from a food diary, which database is most commonly used in clinical practice in the United States?

Accepted Answer

USDA FoodData Central

Answer

USDA FoodData Central is the primary nutrient database used in the US for clinical and research dietary analysis.

(RDN) Registered Dietitian Nutritionist Practice Test