Week 5

Question 1

what determines whether tissues use glucose or fatty acids as an energy source?

Answer 1

depends on when how last ate as glucose can be used but only shorterm where fatty acids last weeks or even months in the body and if all your tissues needed glucose to survie it would not last long as u need a constant source of glucose so there not many tissues that only use glucose as an energy souce which is the brain

Question 2

insulin dose what

Answer 2

promotes glucose transport into cells via an insulin sensitive glucose carrier(Glut4, esp in skeletal muscle and fat)
promotes potassium uptake into cells
promotes glucose storage as glycogen in liver
promotes growth

Question 3

which blood glucose is high what is secreted is it glycogen or insulin?

Answer 3

insulin

Question 4

what are Ketones ?

Answer 4

soluble forms of fatty acids
can replace glucose for energy metabolism even the brain
are acidic

Question 5

in order for the brain to recieve glucose what happens in the body in the post absoption state ?

Answer 5

glucose is mobilised from glycogen in liver
glucose is from amino acids and glycerol

Question 6

what causes type 1 diabetes mellitus?

Answer 6

Question 7

Symptoms of type 2 diabetes

Answer 7

Question 8

Symptoms of type 2 diabetes

Answer 8

Question 9

what type 2 diabetes drug increases cell senitivity to insulin and suppress glucose synthesis in liver?

Answer 9

metformin(biguanides)

Question 10

what type 2 diabetes drug stimulates insulin release and increases tissue sensitivity to insulin?

Answer 10

sulfonylureas

Question 11

what type 2 diabetes drug inhibit glucose absorption from the intestines?

Answer 11

alpha glucosidase inhibitor

Question 12

if insulin levels are severely decreased in type2 what may need to be add what type 1 diabetes mellitus treatment?

Answer 12

insulin

Question 13

what is a prophylactic (intended to prevent disease) to type 2 diabetes?

Answer 13

exercise and healthy eating