Multiple Choice
Which hormone is the primary hunger hormone released by the stomach?
3. The Human Body & Digestion
Hunger, Satiety, and Hormones
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Which macronutrient is generally considered the most satiating (produces the greatest feeling of fullness) per calorie?
A
Fat
B
Carbohydrate
C
Protein
D
Alcohol
Verified step by step guidance1
Understand the concept of satiety, which refers to the feeling of fullness and the suppression of hunger after eating.
Recognize that different macronutrients (fat, carbohydrate, protein, and alcohol) have varying effects on satiety per calorie consumed.
Recall that protein is generally considered the most satiating macronutrient because it influences hormones that regulate hunger and fullness, such as increasing peptide YY and GLP-1 and reducing ghrelin.
Compare the satiety effects of fat and carbohydrates, which tend to be less satiating per calorie than protein, and note that alcohol provides calories but does not promote fullness effectively.
Conclude that protein produces the greatest feeling of fullness per calorie, making it the most satiating macronutrient among the options provided.
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