feeding Flashcards
(40 cards)
hunger
psychological state of feeling hunger
appetite
psychosocial feeling of hunger and desire to eat
satiety
stomach is full and satisfied
fats
key energy source
carbohydrates
glucose and main energy source
proteins
provide essential amino acids
correlations between poor oral health and….
quality of life
chewing
evolutionary adaptive to allow humans to consume hard foods
taste
sweet, sour, salty, bitter, umami
hunger pangs
nearly always accompanied by contractions via man with balloon in his stomach study
gastric receptors
react to a ful land empty stomach, communicating with relevant area of hypothalamus
stretch receptors
transport messages to hypothalamus via the vagus nerve
cholecystokinin
upon release, closes the stomach and causes pressure stimulating the stomach glands
insulin
satiety hormone which is released from the pancreas immediately after eating
role of insulin
-makes sure macronutrients are digested
-facilitates protein synthesis to occur
-converts excess glucose into glycogen
ghrelin
hunger hormone which created the desire to eat
role of ghrelin
triggers hunger via increased amounts of orexins and neuropeptide Y
insulin/ghrelin
as insulin levels decrease after eating, ghrelin is released
leptin
produced by adipose fat cells
role of leptin
hormone to maintain weight loss
high levels of insulin
indicate ample nutrition, less desire to eat
lateral hypothalamus
hunger centre
ventromedial hypothalamus
satiety centre
motivated food choice
-the way food appeals
-price, health, familiarity