Chapter 9: Energy Balance Flashcards
1
Q
What factors affect BMR?
A
- age
- height
- growth
- body composition (more muscle, more BMR)
- fever/stress
- temp
- fasting
- thyroxin
2
Q
What is hypothyroidism?
A
less activity of thyroid so gain weight
3
Q
What is hyperthyroidism?
A
a lot of activity (genetics)
4
Q
What are the BMI scores?
A
underweight: <18.5
normal: 18.5-24.9
overweight: 25-29.9
obese: 30-39.9
class II: >40
5
Q
How to assess body composition?
A
- anthropometry (waist circumference)
- callipers (visceral: around the waist subcutaneous: under skin)
- density (=weight/vol)
- conductivity
- radiography (x-ray)
6
Q
What is the difference between hunger and appetite?
A
Hunger: physiological need to eat (grehlin)
Appetite: psychological desire to eat
7
Q
What is satiation?
A
fullness that builds throughout a meal
8
Q
What is satiety?
A
perception of fullness that lingers after a meal
9
Q
What is leptin?
A
Appetite suppressing hormone produced in fat cells
10
Q
How to lose weight?
A
- low energy density foods
- milk products
- plan meals
- meal spacing
- physical activity
- aim for losing 1-2 pounds a week
