12.4 Metabolic States Flashcards
1
Q
What is equilibrium in biochemistry?
A
An undesirable state b/c its fixed.
2
Q
What is Homeostasis?
A
Relatively stable state maintained by energy expenditure.
3
Q
What is the Postprandial state?
A
Absorptive state, Insulin secretion is high and anabolic metabolism prevails.
4
Q
What is Postabsorptive state?
A
Fasting state, Insulin secretion decreases and glucagon & catecholamine secretion increases.
*Short term fasting (overnight)
*Transition to catabolic metabolism
5
Q
What happens during prolonged fasting?
A
Starvation, Hugely increases glucagon and catecholamine secretion.
*Tissues rely on fatty acids
* 2/3 of brain’s energy from ketone bodies.
