Which of the Following Strongly Suggests That the Actions of Ghrelin

question 84

Multiple Choice

Which of the following strongly suggests that the actions of ghrelin on food intake involve NPY?

• A) Ghrelin released from the stomach strongly inhibits NPY release in the hypothalamus.
• B) Ghrelin cells in the stomach contain NPY receptors.
• C) NPY levels are constant across the day-night cycle.
• D) Ghrelin receptors are located on NPY neurons.
• E) NPY strongly inhibits the capacity of ghrelin to suppress drinking.

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Definitions:

Melatonin Theory

suggests that the hormone melatonin plays a crucial role in regulating sleep-wake cycles, mood, and possibly aging and immune functions.

Ecobehavioral Theory

A perspective that examines how interactions between behavior and the environment influence each other.

Circadian Theory

A theory that explains the 24-hour cycle of physiological processes of living beings, including the sleep-wake cycle, influenced by external cues like light and temperature.

NREM Sleep

Non-Rapid Eye Movement Sleep, a restorative sleep phase that includes stages 1 through 3, characterized by progressively deeper levels of relaxation and reduced physiological activity.