During a hospital test, two adults were given the same dose of insulin per kilogram of body mass. Both adults had normal pancreas function.
Measurements before the test showed that adult B had less glycogen stored in the liver than adult A.
The normal blood glucose concentration is between 4.0 and 6.0 mmol/dm³.
| Time after insulin was given in minutes | Blood glucose concentration of adult A in mmol/dm³ | Blood glucose concentration of adult B in mmol/dm³ |
|---|---|---|
| 0 | 5.2 | 5.2 |
| 15 | 3.6 | 3.6 |
| 30 | 4.4 | 3.9 |
| 45 | 5.0 | 4.2 |
Explain the difference between the changes in the blood glucose concentrations of the two adults after 15 minutes.
85 exam-style questions on AQA GCSE Biology 5.3 Hormonal coordination in humans, covering 5.3.1 Human endocrine system, 5.3.2 Control of blood glucose concentration, 5.3.3 Maintaining water and nitrogen balance in the body, 5.3.4 Hormones in human reproduction, 5.3.5 Contraception, 5.3.6 The use of hormones to treat infertility (HT only), and 5.3.7 Negative feedback (HT only). Each one has a worked solution and a mark scheme showing where the marks go.