Gradegorilla Biology

Biology µGCSE:
Hormones + Homeostasis

10 quick questions - for GCSE and iGCSE

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