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Terms in this set (45)
What provides all the material necessary for cell division, growth and development for fuel and energy for all chemical reaction?
Equal Energy intake and output around a homeostatic set point is called
T/F Does some weight depends on Appetite control
If the lesions in the ventromedial nuclei is broken what happen to the person appetite?
They tend to have a voracious appetite which cause them to eat alot
If the lesions in the Lateral hypothalamus is broken what happen to the person appetite?
They begins to lose their appetite which can cause them to be anorexic.
The adypocite secrete leptin that reduces the fod intake by blocking neuropeptide Y is called
Short term appetite regulators last how long
minutes to hours.
What is secreted by adipocytes in proportion to body fat store?
What are the receptors gut-brain peptides.
Neuropeptide Y and Melanocortin.
How is Neuropeptide Y stimulated?
it is stimulated by gherlin then it inhibited by PYY, Leptin. and insulin.
How is Melanocortion is stimulated?
It is stimulated by Leptin and CCK.
Name 3 hormones that stimulate desire for different food.
What is the normal average body mass in USA
Name the risk factors of obesity?
It can shorten life expectancy increase risk of atherosclerosis, hypertension, diabetes,stones,cancer breathing problems and etc.
Adpocytes in children can grow in size and number is due to what
Overfeeding which can lead to predisposition.
a codes for leptin which is a defective gene that increase 3 times a person weight. It block neruopeptide Y
A Leptin receptor that is really not a effective is called
A codes for protein that converts calories into heat rather than ATP synthesis is called
A amount of heat that required to raise temperature of 1g of water
What are empty calories?
Empty calories are when sugar and alcohol provides nothing useful other than calorie substances used for fuel.
A safe estimate of daily intake for standard needs is called
Recommended Daily Allowances RDA
Indigested chemicals used for growth, repair and maintenance.
Large amount of nutrients which consist of proteins, fats and carbs is called
Small amount of nutrients such as vitamin and mineral
What nutrient is used in the brain
What cause weakness dizziness and blood glucose which is regulated by insulin and glucagon.
A fibrous material that resist digestion and is important to diet excess interferes with material absorption
This fiber decrease blood cholesterol and LDL levels.
Water soluble fiber
It have no effect on cholesterol and or LDL
Water insoluble fiber
It main role is to store energy, its also hydrophobic it does not absorb water and contain 2x the energy storage of fat
Can Lipids transport in blood?
It is formed by cells of small intestine, it enter the lymphatic system, then blood and it degraded by liver
It is produce by liver to transport lipids to adipose tissue for storage, when triglycerides removed it becomes LDLs
Very Low density
It s absorbed by cells in need of cholesterol for membrane repair or steroid synthesis
Low Density LDLs
It removes cholesterol, then the liver protein an empty protein shell that picks up cholesterol delivers it to livers for elimination in bile
High density HDLs
What enter the blood and the lymphatic system
It transport lipids to adipose for storage when the triglyerides are removed they become LDLs
this shells pick up cholesterol delivers it to livers for elimination in bile
What happens to the body when it have high intake of cholesterol.
It reduce synthesis and it can be very dangerous
What can you do to reduce saturated fat
exercise vigorous and eat right
What helps with muscle contraction, and cell membrane. its 12-15% of body mass 65% in skeletal muscle
Name 8 essentials that cannot be synthesis
Iso, Leu, Met Lys Phe Thr Trp and Val
What is the formula that help regulats your RDA
Weight in lb x 0.37
What balance ingest more than they excrete and promoted by growth and sex hormones
When the body protein is being broken down for fuel gluccocorticoids and promote protien catabolism in states of stress
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