Question

1. which of the following is considered to be the “cornerstone of nutrition” and is important for identifying essential nutrients, establishing recommended food intake levels, or exploring the effects of nutrients on health conditions?

○ clinical trials
○ epidemiological studies
○ scientific studies
○ cell culture and animal studies

1. which of the following attempts to identify related conditions or behaviors and can provide useful information about relationships?

○ epidemiological studies
○ clinical trials
○ scientific studies
○ correlation studies

Explanation:

Question 14

Epidemiological studies are key in nutrition for identifying essential nutrients, setting recommended intakes, and studying nutrient - health condition effects. Clinical trials are more about testing interventions, cell culture/animal studies are preliminary, and "scientific studies" is too broad. So epidemiological studies fit as the cornerstone.

Correlation studies are designed to identify relationships between conditions or behaviors. Epidemiological studies look at disease distribution, clinical trials test interventions, and "scientific studies" is a general term. So correlation studies match the description.

Answer:

B. Epidemiological studies

Question 15