Controlling Blood Glucose Flashcards
1
Q
What is homeostasis?
A
maintenance of a constant internal environment at optimal conditions
2
Q
What 3 components help the body to return to optimal condition?
A
- receptors
- coordination centre
- effector
3
Q
When may blood glucose rise?
A
after a meal
4
Q
What happens when blood glucose rises after a meal?
A
- receptor cells in pancreas detect rise
- insulin released
- cells take in glucose
- liver & muscles instructed to change glucose into glycogen
- normal blood glucose levels restored
5
Q
When may blood glucose drop?
A
after exercise
6
Q
What happens when blood glucose drops?
A
- receptor cells in pancreas detect drop
- glucagon released
- liver & muscles break down glycogen to form glucose
- blood glucose levels rise
7
Q
What is T1 diabetes and how is it treated?
A
- pancreas produces little to no insulin
- treated by injections
8
Q
What is T2 diabetes and how is it treated?
A
- cells no longer respond to insulin
- caused by obesity
- treated by low sugar/carb diet & exercise
