Certified Dietary Manager (CDM) Practice Exam 2026 – All-in-One Guide to Exam Success!

A "whole grain" food is characterized by containing all parts of the grain kernel, which includes the bran, germ, and endosperm. This composition is vital as it ensures that the food maintains its natural nutrients, including fiber, vitamins, and minerals found in all components of the grain. Whole grains are beneficial for overall health, contributing to better digestive health, reduced risk of chronic diseases, and improved satiety.

In contrast, the other options suggest limited or processed grain forms. For instance, white flour is refined and only contains the endosperm, lacking the nutritional benefits associated with whole grains. Similarly, refined sugars and oils contain no grain parts at all, and focusing solely on the bran layer ignores the essential components of the grain that contribute to its complete nutritional profile. Understanding the significance of whole grains is essential for making healthier dietary choices.