quiz 5 carbs continued Flashcards
how long does the insulin effect last
3-4 hours
intensity of insulin effect
amount of insulin = the effect
high insulin = greater intensity of effect
low insulin = decrease intensity
hyperinsulinemia
stores fat well and doesnt burn fat well
(inhibits lipolysis)
reactive hypoglycemia
really low blood sugar
-leads to nausea, fatigue, dizzy
higher quality CHO food, greater fiber content leads to
less affect on fat storage
low quality CHO food (sugar and starches) leads to
store a lot of fat and little burning
insulin impacts fat metabolism by
stimulating lipogenesis and de nov lipogenesis
and inhibits lipolysis
synthase promotes
glucose storage
phosphorylase inhibits
inhibits release of glycose from glycogen
glucose appearance stimulates
hexokinase and glucokinase
by stimulating hexokinase and glucokinase you promote
glycogenesis
insulin decreases CAMP which causes
synthase to be active
role insulin plays in glycogen metabolism
decrease CAMP and increase glycogenesis
role of epi/ noriepinephrine role in glycogen metabolism
increase CAMP which stimulates phosphorylase
more CAMP =
inhibits synthase
less CAMP
you remove the inhibition on synthase
glycogen synthase
turned on by insulin because less CAMP removes the inhibitions on synthase which makes more glycogen
glycogen phosphorylase
turned on by glucagon, Epi/norepinephrine because it increases CAMP which stimulates synthase-promoting glycogenolysis
insulin is an ____ hormone
anabolic (building)
insulin on fat metabolism
decrease fat use as energy
-inhibit lipolysis
-increase fat storage = promotes lipogenesis and DNL
risk factors that increase risk of CVD
-high total cholesterol
-high HDL
-high LDL
- high blood fat (dyslipidemia)
good cholesterol is
HDL
bad cholesterol is
LDL
high-fat diet leads to
to more chylomicron which leads to VLDL which leads to LDL (endogenous and exogenous pathways)
high starch/ sugar diet leads to
hyperglycemia which leads to hyperinsulinemia which leads to stimulation of lipogenesis which = more fat and LDL
the amount of new fat made from CHO depends on
severity of excess CHO (intensity of insulin effect), consistency of excess CHO intake (consistency of insulin effect), and glycogen fullness when excess CHO is consumed
