Back to the full dot-point answer
QLDBiologyQuick questions
Unit 2: Maintaining the internal environment
Quick questions on Endocrine control, hormones and blood glucose regulation (QCE Biology Unit 2)
7short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is blood glucose regulation?Show answer
Blood glucose is held around 4 to 6 mmol per L by two antagonistic hormones from the pancreatic islets.
What is posterior pituitary?Show answer
Stores and releases two hormones made by neurosecretory cells in the hypothalamus:
What is anterior pituitary?Show answer
Produces its own hormones in response to releasing or inhibiting hormones from the hypothalamus, carried in a portal blood system.
What is diabetes mellitus?Show answer
Failure of the insulin pathway.
What is q1?Show answer
Describe the role of insulin and glucagon in regulating blood glucose, naming the source cells and the principal target organ for each hormone. [4 marks]
What is q2?Show answer
A patient's blood test shows glucose 14 mmol/L, insulin near zero, and ketone bodies elevated. Identify the most likely condition and explain why ketones accumulate. [3 marks]
What is q3?Show answer
Refer to the hypothalamic-pituitary-thyroid axis. (a) Name the releasing hormone, pituitary hormone and target gland. (b) Explain how negative feedback limits thyroxine secretion.
Have a question we have not covered?
This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.