lecture 13

Question 1

sedentary living

Answer 1

inactive lifestyle which leads to higher health risks

Question 2

metabolic flexibility

Answer 2

the ability to switch between substrates

Question 3

the second law of fuel metabolism

Answer 3

the brain must be continuously supplied with glucose

Question 4

liver

Answer 4

maintains blood glucose levels. first stores glucose in the form of glycogen

Question 5

what happens if glucose levels fall too low

Answer 5

glycogenesis- the liver breaks down the glycogen it stores and releases it in the bloodstream

Question 6

gluconeogenesis

Answer 6

the liver converts amino acids to glucose

Question 7

insulin

Answer 7

hormone release by beta cells in the pancreas

Question 8

role of insulin

Answer 8

to lower blood sugar promoting glycogenesis only

Question 9

glucagon

Answer 9

secreted by alpha cells in the pancreas when blood sugar is low

Question 10

epinephrine

Answer 10

stimulated by excercise or stress and promotes glucagon secretion

Question 11

cortisol

Answer 11

stimulated by stress and increases substrates in the body

Question 12

what is the downside to constant stressor

Answer 12

there is a constant oversupply of fuel in the bloodstream leading to metabolic dysregulation