Unit 2- Blood Glucose

Question 1

Describe glucose concentrations during exercise.

Answer 1

Glucose concentrations are raised by adrenaline.

Question 2

Describe how chromic elevation of the glucose levels affects blood vessels.

Answer 2

Elevation of blood glucose levels leads to endothelium cells taking in more glucoses than normal, damaging blood vessels.

Question 3

Describe type 1 diabetes.

Answer 3

Occurs in childhood. Unable to produce insulin and is treated by regular doses of insulin.

Question 4

Describe type 2 diabetes

Answer 4

Develops later in life possibly due to being overweight. They produce insulin but their cells are less sensitive to it.

Question 5

Describe the glucose tolerance test.

Answer 5

1. The blood glucose concentrations of the individual are measured after fasting.
2. The individual then drinks a glucose solution and changes in their blood glucose concentration are measured for the next 2 hours.

Question 6

How do you calculate BMI?

Answer 6

BMI = weight in kilograms / height in metres (squared)

Question 7

What BMI suggests obesity?

Answer 7

BMI > 30

Question 8

Why should the diet limit fats and free sugars?

Answer 8

Fats have a high calorific value, and free sugars require no metabolic energy.

Question 9

How does exercise reduce risk of CVD?

Answer 9

Exercise increases energy expenditure and preserves lean muscle tissue.