apetite regulation Flashcards
1
Q
define appetite
A
the desire to eat food
2
Q
define hunger
A
need of eating
3
Q
define satiety
A
the feeling of fullness
disappearance of appetite after a meal
4
Q
whats an underweight BMI
A
less than 18.5
4
Q
how to calculate BMI
A
weight (kg) / height (m2)
5
Q
whats a normal BMI
A
18.5 - 24.9
6
Q
whats an overweight BMI
A
25.0 - 29.9
7
Q
whats an obese BMI
A
30.0 - 39.9
8
Q
whats a morbidly obese BMI
A
more than 40
9
Q
risks of obesity
A
- Type II diabetes
- Hypertension
- Coronary artery disease
- Stroke
- Osteoarthritis
- Obstructive sleep apnoea
- Carcinoma
- Breast
-Endometrium
-Prostate
-Colon
- Breast
10
Q
what factors determine obesity
A
- what regulates weight and appetite?
- why do most people keep a constant weight?
- why are people getting fatter?
- what can we do about it?
11
Q
what does weight regulation depend on
A
environment + genes-> maintenance (homeostasis) system -> normal fat mass
negative feedback
12
Q
why do we eat
A
- Internal physiological drive to eat
- Feeling that prompts thought of food and motivates food consumption
- External physiological drive to eat
- Sometimes even in the absence of hunger (e.g. buffet)
13
Q
where is the hunger centre in the hypothalamus
A
lateral hypothaalus
14
Q
where is the satiety centre in the hypothalamus
A
ventromedial hypothalamic nucleus
