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Questions and Answers
What is appetite?
What is appetite?
- The psychological desire to eat (correct)
- The sensation of feeling full
- The absence of hunger
- The physiological need for food
What is satiety?
What is satiety?
- The absence of hunger
- The sensation of feeling full (correct)
- The psychological desire to eat
- The physiological need for food
Which physiological signals indicate hunger?
Which physiological signals indicate hunger?
- A decrease in circulating hormones
- An increase in blood glucose levels
- An increase in insulin levels
- An empty stomach (correct)
Where is the feeding center located in the hypothalamus?
Where is the feeding center located in the hypothalamus?
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What happens when the hunger center is stimulated in animals?
What happens when the hunger center is stimulated in animals?
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Study Notes
Appetite and Satiety
- Appetite is the desire to eat food, driven by the need for energy and nutrients.
- Satiety is the feeling of being full and satisfied, which stops the desire to eat.
Physiological Signals of Hunger
- Hunger is indicated by physiological signals, including:
- Low blood glucose levels
- Contractions of the stomach
- Release of hormones, such as ghrelin and leptin
Feeding Center in the Hypothalamus
- The feeding center is located in the ventromedial hypothalamus (VMH).
- The VMH plays a crucial role in regulating energy balance and body weight.
Stimulation of the Hunger Center
- When the hunger center is stimulated in animals, it:
- Increases appetite and food intake
- Leads to weight gain and obesity
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