Regulation of total body energy Flashcards
Insulin up, glucagon down: absorptive or post-absorptive state?
absorptive
Insulin down, glucagon up: absorptive or post-absorptive state?
post-absorptive
If you increase your dietary intake of protein, muscles will increase in size.
T/F
FALSE. Any excess proteins ingested will be used for energy or stored as fat.
How much of bile is recycled?
95%
Certain body cells require cholesterol and certain body cells do not.
T/F
FALSE All body cells need cholesterol.
What substance is the single most important determinant of BMR?
thyroid hormone
The sympathetic nervous system can directly stimulate adipose tissue and skeletal muscle to go into a catabolic state (break down/liberate energy).
T/F
TRUE
Leptin deficiency produces ______.
obesity
If you measure leptin levels of an obese person and the levels are normal or high, how can it be explained?
lack of/problem with leptin receptors
Where is leptin made?
adipose tissue
Where does leptin act?
hypothalamus
What is the effect of leptin?
- decrease food intake
- increase metabolic rate
Where is ghrelin made?
fundus of stomach
Where does ghrelin act?
hypothalamus
What is the effect of ghrelin?
induces appetite
