• Which amino acids are considered to be essential amino acids?

  A. Those that cannot be derived from foods

  B. Those that cannot be manufactured by the body at all or in sufficient quantity

  C. Those that are necessary to the function of protein production

  D. Those that are necessary to the function of protein production

• 哪些氨基酸被认为是必需氨基酸？

  A.不能从食物中获得的
  B. 不能完全或足量生产的产品。
  C. 蛋白质生产功能所必需的
  D. 蛋白质生产功能所必需的

Answer - B - The amino acids that are considered to be essential amino acids are those that cannot be manufactured by the body at all or in sufficient quantity and therefore must be acquired through dietary sources, such as food or supplementation.
答案：B
被认为是必需氨基酸的氨基酸是指那些完全不能或不能由身体制造足够数量的氨基酸，因此必须通过饮食来源获得，如食物或补充。

• Why is it important to consult with a healthcare provider regarding supplementation?

  A. Full disclosure is always necessary for the sake of accurate medical assessments.

  B. It is important to have an open and factual communication with health care providers.

  C. Some supplements can interfere with prescribed medication or can complicate other medical issues.

  D. Often they can give advice about which brands make the best quality product.

• 为什么就补充剂问题咨询医疗保健提供者很重要？

  A.为了准确的医疗评估，必须全面披露。
  B.与医疗保健提供者进行公开和事实的沟通是很重要的。
  C.某些补充剂会干扰处方药或使其他医疗问题复杂化。
  D.他们通常可以就哪些品牌的产品质量最好给出建议。

Answer - C - It is important to consult with a healthcare provider regarding supplementation because some supplements can interfere with prescribed medication or can complicate other medical issues. Also, if supplementation is excessive, symptoms of this excess can mimic or mask symptoms of medical conditions.
答案：C
重要的是就补充剂咨询医疗保健提供者，因为某些补充剂会干扰处方药或使其他医疗问题复杂化。此外，如果补充过量，这种过量的症状可以模拟或掩盖医疗状况的症状。

• What is the definition of glycogen?

  A. One of the three primary classes of foods and a source of energy in the body

  B. A simple sugar manufactured by the body from carbohydrates and fat

  C. Formation of glucose from non-carbohydrate sources that can be used for energy

  D. Complex carbohydrate molecule that stores carbohydrates in the liver and muscle cells

• 糖原的定义是什么？

  A. 三大类食物中的一种，是人体的能量来源。
  B. 由碳水化合物和脂肪制成的简单糖。
  C. 非碳水化合物来源的葡萄糖形成，可用于能源。
  D. 在肝脏和肌肉细胞中储存碳水化合物的复合碳水化合物分子。

Answer - D - Glycogen is a complex carbohydrate molecule that stores carbohydrates in the liver and muscle cells. It is essentially a string of glucose molecules that can quickly be broken down into glucose. When energy is needed from carbohydrates, glycogen is transformed into glucose for use by the muscle cells.
答案：D
糖原是一种复杂的碳水化合物分子，在肝脏和肌肉细胞中储存碳水化合物。它本质上是一系列葡萄糖分子，可以迅速分解成葡萄糖。当碳水化合物需要能量时，糖原转化成葡萄糖供肌肉细胞使用。