feeding and satiety

Question 1

energy homeostasis

Answer 1

energy intake = energy expenditure over time

Question 2

metabolic syndrome

Answer 2

central obesity
dylipidemia
insulin resistance
type 2 d
cdv disease

Question 3

BMI calculation

Answer 3

weight (kg)/ square of height (m)

Question 4

why do we need fat

Answer 4

energy storage
prevention of starvation
energy buffer during prolonged illnes

Question 5

disease of brain

Answer 5

brain views extra eight as normal and dieting as a threat

Question 6

neural centre responsible

Answer 6

hypothalamus

Question 7

what part of hypothalamus causes obesity

Answer 7

lesioning ventromedial hypothalamus

Question 8

what part of hypothalamus causes leanness

Answer 8

lesionign lateral hypothalamus

Question 9

satiation

Answer 9

sensation of fullness generated during a meal

Question 10

satiety

Answer 10

period of time between terminationof one meal and initiation of the next

Question 11

adiposity

Answer 11

state of being obese

Question 12

when do satiation signals increase

Answer 12

during meal to limit size

Question 13

examples of satiation signals

Answer 13

CCK, PYY,GLP-1

Question 14

action of glutamate, gaba and opiods

Answer 14

increase food intake when injected into hypothalamic cnetres

Question 15

effect of monoamines

Answer 15

act to suppress food intake

Question 16

which hormones report fat status to brain

Answer 16

leptin; made form fat cells
insulin; pacreatic beta cells

Question 17

what is ghrelin

Answer 17

a hunger signal