NCCPT Certification Practice Test 2025 – Comprehensive All-in-One Guide to Mastering Your Personal Trainer Exam!

Question: 1 / 400

Which of the following is considered a complete protein source?

Chicken

Egg

A complete protein source is one that contains all nine essential amino acids necessary for human health. These amino acids cannot be synthesized by the body and must be obtained from dietary sources.

Eggs are widely recognized as one of the best sources of complete protein. They have a high biological value, meaning the body can effectively utilize the proteins found in eggs. Eggs provide all essential amino acids in sufficient quantities, making them particularly valuable for muscle recovery and growth, as well as for overall health.

In contrast, while chicken is also a complete protein source and does contain all essential amino acids, the focus in this context is on the egg specifically. Rice and peas, on the other hand, are classified as incomplete proteins; they do not provide all essential amino acids independently. However, when combined with other food sources, they can contribute to a balanced protein intake.

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Rice

Peas

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