Michigan Esthetician State Board Practice Exam

What type of food would help meet essential protein needs?

1. Fruits and vegetables

2. Whole grains

3. Complementary protein sources

4. Processed snacks

The correct answer is: Complementary protein sources

Complementary protein sources are essential in meeting protein needs, particularly for those who may follow a vegetarian or vegan diet. These sources involve combining different plant-based foods that together provide all the essential amino acids necessary for the body to function optimally. For example, beans and rice, or peanut butter on whole grain bread, illustrate how particular foods can complement each other to form a complete protein profile. While fruits and vegetables, whole grains, and processed snacks each have their nutritional benefits, they do not collectively provide the full range of essential amino acids needed by the body. Fruits and vegetables are generally lower in protein, whole grains can be lacking certain essential amino acids when consumed alone, and processed snacks typically offer minimal nutritional value, focusing more on convenience than on meeting dietary needs. Therefore, relying on complementary protein sources is the most effective way to ensure that one meets their essential protein requirements.