Energy Balance and Control of Body Weight Flashcards
1
Q
What is energy requirements dependent on?
A
Basal metabolic rate Diet induced thermogenesis Physical activity Environmental temperature Growth Pregnancy Location Age
2
Q
How is energy intake regulated?
A
Hypothalamus controls appetite and food intake as several nuclei regulate the daily homeostasis
Satiety signals terminate or maintain inhibition of further intake when you’re eating
It’s the sense of fullness
3
Q
What is leptin and insulin used for in satiety?
A
Leptin signals the state of fat stores and insulin signals the fullness of carbohydrate stores
4
Q
How is hunger signalled?
A
If lepton and insulin are low is signals the need for energy and the hunger pathway is stimulated and satiety pathway suppressed (ghrelin is the hunger signal)
5
Q
What are the 7 possible factors in obesity?
A
Genetic Metabolic rate Socio economic and cultural Endocrinology Physical activity Microbiota FTO
