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.

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