Comprehension-Level Multiple-Choice Items

Which statement is FALSE?

Question

​Comprehension-Level Multiple-Choice Items

Which statement is FALSE?​

BlackTom AI · Accepted Answer

Let's evaluate each statement in turn to determine which one is false, keeping in mind how the body handles excess nutrients.
Option 1: 'Excess amino acids arestored in muscle.' In reality, there is no storage form of amino acids in muscle as free amino acids. When amino acids are in surplus, the body cannot store them as amino acids; instead, nitrogen is removed (deamination), and the remaining carbon skeletons can be used for energy or converted to glucose or fat. This makes the statement false.
Option 2: 'Any food can make you fat if you eat enough of it.' Weight gain depends on total energy balance, not the food source alone. If you consistently exceed energy expenditure, most foods can contribute to fat gain, though macronutrient composition affects metabolism and satiety. This statement is broadly true in the context of energy balance, though it’s an oversimplification.
Option 3: 'Alcohol delivers calories and encourages fat storage.' Alcohol provides energy (7 kcal/g) and can influence lipid metabolism by promoting fat storage, reducing fat oxidation, and impairing metabolic processes. This statement is true.
Option 4: 'Protein is used to build muscles in response to exercise.' Protein provides amino acids necessary for muscle protein synthesis following resistance or endurance exercise; thus this statement is true.
Option 5: 'Excess carbohydrate is converted to glycogen or fat and stored.' Carbohydrates can be stored as glycogen in liver and muscle when glycogen stores are not full, and excess carbohydrate can be converted to fat through lipogenesis for storage. This statement is true.
Thus, by comparing all options, the only statement that inaccurately describes physiology is that excess amino acids are stored in muscle, which does not occur as a storage form of amino acids. The remaining choices align with established understanding of energy metabolism and nutrient handling.

Comprehension-Level Multiple-Choice Items Which statement is FALSE?单项选择题

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​Comprehension-Level Multiple-Choice Items Which statement is FALSE?​单项选择题