Diabetes And Its Control

Question 1

What’s diabetes

Answer 1

A disease in which a person is unable to metabolise carbohydrate, especially glucose properly

Question 2

What’s diabetes caused by

Answer 2

Inability to control blood glucose conc due to The lack of hormone insulin or a loss of responsiveness to insulin

Question 3

What is type 1 diabetes due to

Answer 3

The body being unable to produce insulin (childhood)

• may be due to result of an autoimmune response whereby bodies immune system attacks own cells, in this case B cells of the islets of langerhans

Question 4

What are the signs of Diabetes

Answer 4

High blood glucose concentration

Presence of glucose in urine

Need to urinate a lot

Genital itching

Weight loss

Blurred vision

Question 5

What are the symptoms of diabetes

Answer 5

Tiredness

Increased thirst and hunger

Question 6

What is type 2 diabetes due to

Answer 6

Glycoprotein receptors on body cells being lost or losing their responsiveness to insulin

Or inadequate supply of insulin from pancreas

(40 years old +)

Question 7

How is type 1 diabetes controlled

Answer 7

By injections of insulin

Question 8

What happens if someone with diabetes takes too much insulin

Answer 8

Experience a low blood glucose concentration that can result in unconsciousness

-blood glucose concentration can be monitored using biosensors

Question 9

How is type 2 diabetes controlled

Answer 9

By regulating the intake of carbohydrate in the diet and matching this to the amount of exercise taken

Question 10

Suggest an explanation for why tiredness is a symptom of diabetes

Answer 10

As insulin is not produced by the pancreas, this leads to fluctuations in the blood glucose level. If the level is below normal, there may be insufficient glucose for the release of energy by cells during respiration. Muscle and brain cells in particular may therefore be less active, leading to tiredness