Avela Mayisela Flashcards
Blood sugar
1
Q
What is Homeostasis?
A
Homeostasis is the maintenance of a constant internal environment in the body.
2
Q
What are the two hormones secreted by the islets of Langerhans in the pancreas that control the glucose concentration in the blood?
A
Insulin and Glucose.
3
Q
What happens when the glucose concentration in the blood falls below normal?
A
The alpha cells of the islets of Langerhans detect the decrease and respond by secreting glucagon into the blood.
4
Q
What does a glucagon do?
A
It stimulates the conversion of glycogen to glucose in the liver and muscles.
5
Q
What is Diabetes mellitus?
A
Diabetes mellitus is a metabolic disease that is chronic and incurable, characterised by high glucose levels in the blood.
6
Q
What is hyperglycaemia?
A
An increased blood glucose level.
