Fats

Question 1

sources of triglycerides?

Answer 1

animal fats
plant fats
soy beans

Question 2

lengths of chains?

Answer 2

short chain = <8 carbons
medium chain = 8-12 carbons
long chain = 14+ carbons

Question 3

what do chylomicrons do?

Answer 3

enter the blood via lymph vessels and transport lipids

main carrier of dietary triglycerides

Question 4

how are lipids transported?

Answer 4

as lipoproteins with apolipoproteins

APO A, B, C, D, E

Question 5

what do VLDLs, HDLs and LDLs do?

Answer 5

VLDLs transport triglycerides from the liver to muscles/tissues
HDL and LDLs transport cholesterol

Question 6

what occurs in the fasting state?

Answer 6

insulin decrease, lipase increase, oxidation of free fatty acids for energy

Question 7

what does insulin do regarding fatty acid breakdown?

Answer 7

inhibits the lipase that catalyses triacylglycerol hydrolysis

Question 8

what is ketogenesis?

Answer 8

rapid fatty acid oxidation, occurs in starving and diabetes mellitus

Question 9

what does EFA deficiency cause?

Answer 9

growth restriction, kidney lesions or death

Question 10

what are fat recommendations?

Answer 10

total = 30%
sat fat = 11%
trans fat = 2%