Which hormone stimulates appetite and intake of high-fat and energy-dense foods?

Question

BlackTom AI · Accepted Answer

To address the question, let’s evaluate what each option suggests about appetite regulation and energy-dense foods.
Option a: Cholecystokinin (CCK). CCK is released after a meal, particularly in response to fats and proteins, and it promotes satiety by slowing gastric emptying and signaling fullness. Therefore, it usually suppresses appetite rather than stimulate craving for high-fat, energy-dense foods, making this option incorrect for the stated question.
Option b: Cortisol. Cortisol is a stress hormone that can influence food intake; chronically elevated cortisol is associated with increased appetite in some individuals and a tendency to seek calorie-dense foods, but it is not as specifically tied to stimulating appetite for high-fat foods as some neuropeptides. While it can promote eating in stress, this option is not the classic, primary driver of craving for high-fat, energy-dense foods described in typical physiology discussions, so it’s not the best answer for this wording.
Option c: Neuropeptide Y (NPY). NPY is a potent orexigenic neuropeptide produced in the hypothalamus that strongly stimulates appetite and increases the intake of high-fat and energy-dense foods. It is one of the core regulators of hunger signaling and food preference toward energy-rich options, aligning precisely with the question.
Option d: Peptide YY (PYY). PYY is released by the gut after meals and contributes to satiety, helping to reduce appetite. It counteracts hunger after eating, so it does not stimulate appetite for high-fat foods; thus this choice is incorrect.
In summary, each option’s role in appetite control is considered: CCK and PYY promote fullness, cortisol has a more indirect, stress-related effect, and Neuropeptide Y directly enhances hunger and preference for energy-dense foods, which matches the question stem.

HESM 286 (001) FALL 2025 Cumulative Final Exam

Which hormone stimulates appetite and intake of high-fat and energy-dense foods?

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HESM 286 (001) FALL 2025 Cumulative Final Exam

Which hormone stimulates appetite and intake of high-fat and energy-dense foods?

View Explanation

Log in for full answers

Similar Questions

Which of the following correctly pairs the hormone or signal with its function?

Which of the following correctly pairs the hormone or signal with its function?

Which of the following results in reduced satiety and over-consumption of nutrients?

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​Application-Level Multiple-Choice Items The major role that the hormone ghrelin plays in eating is to:​

Which of the following does not increase satiety or suppress hunger?

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