10 minutes maximum! Can you do it in 5?

1. Homeostasis is the maintenance of a constant internal environment.


In humans this is achieved by the use of nerves as well as .


2-5: The diagram below shows many of the endocrine glands in a human.

outline of human body showing endocrine glands

not to scale
2. LabelĀ  K is ...
  • A. the pituitary gland
  • B. the pancreas
  • C. the adrenal glands
  • D. the thyroid gland

3. LabelĀ  M is ...

  • A. the pituitary gland
  • B. the pancreas
  • C. the adrenal glands
  • D. the thyroid gland

4. A person was sweating, had an increased pulse rate, was breathing quickly and had large wide pupils. Which gland would have secreted the hormone that caused this response?

  • A. gland L
  • B. gland M
  • C. gland N
  • D. gland P

5. The hormones secreted by the endocrine glands travel to their target organs ...

  • A. as nervous impulses
  • B. in the plasma of the blood
  • C. in the red blood cells
  • D. in the lymphatic system

6-9: A healthy student drank a sports drink containing glucose. The graph shows the changes in the levels of glucose in her blood during the hour after the drink.

glucose levels in blodd - graph

6. How long did it take for her blood glucose level to reach a maximum?
  • A. 10 mins
  • B. 20 mins
  • C. 40 mins
  • D. 60 mins

7. What is the name of the hormone X?

  • A. Adrenalin
  • B. glucagon
  • C. ADH
  • D. Insulin
8. Which organ produces hormone X?
  • A. Brain
  • B. Kidney
  • C. Pancreas
  • D. Liver
9. If the girl was diabetic, what would happen to her blood glucose level?
  • A. The glucose level would be the same as the graph
  • B. The glucose level would not rise after she drank the drink
  • C. The glucose level would rise and stay high
  • D. The glucose would not enter her blood
10. In Type 1 diabetes the pancreas fails to produce enough insulin. To treat this condition a person may have injections of insulin. The insulin causes ...
  • A. glucose to move from the blood into cells.
  • B. the liver to store the glucose as protein
  • C. glucose to move from muscle cells into the blood
  • D. stored glycogen to change to glucose