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Biology
Paper 2
Control of Blood Glucose Concentration
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Karine B
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Cards (16)
What hormone is used to control blood glucose concentration?
Insulin
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What are the two types of diabetes?
Type
1
and Type
2
diabetes
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How does insulin affect blood glucose levels after a meal?
It triggers
cells
to take up glucose
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What happens to blood glucose concentration after a carbohydrate-rich meal?
It
rises
and then returns to
normal
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What storage molecule is glucose converted into by insulin?
Glycogen
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What is the role of the pancreas in blood glucose control?
It monitors and regulates
glucose levels
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How does blood glucose concentration differ in a person with type 1 diabetes compared to a healthy person?
It remains high due to insufficient
insulin
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How do people with type 1 diabetes manage their condition?
They monitor
glucose
and inject
insulin
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What is a common treatment for type 2 diabetes?
A controlled
carbohydrate diet
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What is a major risk factor for type 2 diabetes?
Obesity
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What hormone is released when blood glucose concentration falls?
Glucagon
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What effect does glucagon have on glycogen in the liver?
It converts glycogen back to
glucose
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How do insulin and glucagon work together?
They maintain blood glucose
homeostasis
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What is the relationship between insulin and glucagon in blood glucose control?
They form a
negative feedback cycle
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What is homeostasis in relation to blood glucose concentration?
Maintaining stable blood glucose levels
Involves
insulin
and
glucagon
Essential for
energy release
in cells
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What are the effects of insulin and glucagon on blood glucose concentration?
Insulin
lowers
blood glucose levels
Glucagon
raises
blood glucose levels
They work in
opposition
to maintain
balance
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