Blood glucose regulation

What is homeostasis?

The process of maintaining a stable internal environment despite external changes.

Role of insulin?

Insulin lowers blood glucose by facilitating its uptake into cells, especially muscle and fat cells.

What is glucagon?

A hormone that raises blood glucose levels by promoting glycogen breakdown in the liver.

True or false: Insulin is released when blood glucose is high.

True, because insulin helps decrease blood glucose levels.

Difference between insulin and glucagon?

Insulin lowers blood glucose; glucagon raises it.

Fill in the blank: Glucose is stored as ________ in the liver.

glycogen.

What triggers insulin release?

Increased blood glucose levels after eating carbohydrates.

What is the function of the pancreas?

It produces hormones like insulin and glucagon to regulate blood sugar levels.

True or false: Glucagon can be released during fasting.

True, because it increases blood glucose by using stored glycogen.

What happens during hypoglycemia?

Blood glucose levels drop too low, leading to symptoms like dizziness, confusion, or fainting.

What is diabetes?

A disease characterized by high blood glucose levels due to insulin issues.

Fill in the blank: ________ diabetes is an autoimmune condition.

Type 1.

How does exercise affect blood glucose?

It lowers blood glucose levels by increasing glucose uptake in muscle cells.

What is the role of the liver in glucose regulation?

The liver stores glucose as glycogen and releases it when needed.

True or false: Carbohydrates have no effect on blood glucose levels.

False, because carbohydrates increase blood glucose after digestion.