ACBN Technology & Digital Applications 5

Question 1

Which type of research design provides the STRONGEST evidence when evaluating a digital nutrition intervention's effectiveness?

Accepted Answer

Randomized controlled trial with an active control group

Answer

A randomized controlled trial with an active comparator minimizes confounding and selection bias, providing the highest level of evidence for causal claims about intervention effectiveness.

Question 2

A client's nutrition app uses a large language model (LLM) chatbot to answer dietary questions. Which risk MOST warrants practitioner oversight of LLM-generated nutrition advice?

Accepted Answer

Hallucination—generating plausible but factually incorrect nutrition information

Answer

LLMs can generate confident, coherent, but factually wrong statements (hallucinations), which in a clinical context could lead to harmful dietary decisions without practitioner review.

Question 3

According to the Academy of Nutrition and Dietetics, a key ethical obligation when using social media for nutrition education is:

Accepted Answer

Clearly distinguishing professional opinion from evidence-based guidance

Answer

The Academy's code of ethics requires practitioners to accurately represent the evidence base, making transparency about the distinction between opinion and research mandatory.

Question 4

A wearable device estimates a client's sleep duration at 7.5 hours, but the client reports feeling unrefreshed. Which digital metric should the nutritionist ALSO examine to assess sleep quality?

Accepted Answer

Heart rate variability (HRV) and sleep stage distribution

Answer

Sleep stage distribution and HRV during sleep reveal restorative sleep architecture; adequate total duration with poor HRV or minimal deep/REM sleep can explain non-restorative sleep.

Question 5

Which data governance principle requires that a nutrition app collect only the specific personal data necessary for its stated function?

Accepted Answer

Data minimization

Answer

Data minimization, a core GDPR and privacy best-practice principle, mandates that only data strictly necessary for the service's purpose is collected, reducing privacy risk.

ACBN - Nutritionist Exam Practice Test

ACBN - Nutritionist Exam Practice Test

ACBN Technology & Digital Applications 5