Hormonal coordination in humans Practice Questions
Question 1
Q1. Knowledge Recall (2 marks)
Define negative feedback in the context of hormonal control.
Question 2
Q2. Application (3 marks)
Insulin is a hormone that controls blood glucose levels. Explain how insulin can act on liver cells to lower blood glucose concentration.
Question 3
Q3. Data Analysis (4 marks)
The graph shows the blood glucose concentration of a person who has eaten a sugary meal.
[Graph description would be here]
Explain how the changes in blood glucose concentration and the release of insulin are related.
Question 4
Q4. Knowledge Recall (1 mark)
Which gland produces the hormone thyroxine?
Question 5
Q5. Application (2 marks)
Explain why thyroxine is essential for growth and development.
Question 6
Q6. Data Analysis (3 marks)
The table shows the symptoms of a condition caused by low levels of thyroxine.
| Symptom |
| Fatigue |
| Weight gain |
Identify the condition and explain how it is caused.
Question 7
Q7. Knowledge Recall (2 marks)
Describe the role of the hypothalamus in the menstrual cycle.
Question 8
Q8. Application (3 marks)
Explain how the hormone progesterone prepares the uterus for pregnancy.
Question 9
Q9. Data Analysis (4 marks)
The graph shows the levels of hormones in a menstrual cycle.
[Graph description would be here]
Explain the role of luteinizing hormone (LH) in the menstrual cycle.
Question 10
Q10. Calculation (2 marks)
The normal range of blood glucose concentration in humans is 3.6-6.1 mmol/L. A patient has a blood glucose concentration of 8.2 mmol/L. Calculate the percentage increase in their blood glucose concentration.
| Constipation |