Body composition

Question 1

the 2 basic model compartment

Answer 1

1. FAT

2. FAT Free Mass

Question 2

measures water and calculates fat free mass

Answer 2

bioelectrical impedance

Question 3

under water weighing

Answer 3

density methods

Question 4

Basal energy expenditure

Answer 4

60-70%

Question 5

thermic effect of feeding

Answer 5

10-15%

Question 6

energy expenditure for physical activity

Answer 6

30-40%

Question 7

energy expended at rest in a fasting state

Answer 7

Basal energy expenditure also known as resting

Question 8

how can we measure Basal energy expenditure

Answer 8

measured by indirect calorimetry or it can be predicted

Question 9

primary determinants of Basal energy expenditure (3)

Answer 9

1. fat free mass
2. thyroid hormone
3. age

Question 10

food intake is a behavior that is in response to biochemical, physiologic, psychological and environmental stimuli

Answer 10

yep

Question 11

homeostatic

Answer 11

short vs long term; need to eat vs store as fat

Question 12

how does fiber effects on energy regulation

Answer 12

insoluble vs soluble where it retains water and thus impair digestion

Question 13

grehlin

Answer 13

stimulates hunger, promotes food intake

Question 14

is ghrelin decreased or increased in obesity

Answer 14

decreased and increased with weight loss

Question 15

secreted by small intestine in response to macronutrients and SCFA and promotes satiety via hypothalamus and slows down gastric emptying

Answer 15

glucagon-like peptide 1

Question 16

stimulated by presence of protein and fat in the duodenum and promotes satiety via hypothalamus and delays gastric emptying

Answer 16

cholecystokinin

Question 17

leptin in obesity

Answer 17

resistance not deficiency observed in obesity