Target: 10 questions in 10 minutes

1.  Which of the following is not an example of homeostasis?

  • A. Withdrawing hand from hot object
  • B. Controlling arterial blood pressure
  • C. Controlling core body temperature
  • D. Changing pH of blood plasma
2. What is the role of negative feedback in the regulation of blood glucose levels?
  • A. It amplifies the increase in blood glucose levels
  • B. It maintains blood glucose levels above the normal range
  • C. It returns blood glucose levels to the set point from values above or below the set point
  • D. It disrupts the balance of blood glucose levels

3&4: 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

3. Which row is correct with regards to hormone X?

  Released from… Transported in… Target Action
A. Alpha cells of pancreas Blood Decrease glucose uptake in liver 
B. Beta cells of pancreas Lymph Increases glycogen synthesis
C. Alpha cells of pancreas Lymph Increases glucose uptake in liver
D. Beta cells of pancreas Blood Increases glycogen synthesis
4. Which of the following carries messages from the central nervous system (CNS) to the gland which releases hormone X?
  • A. Relay neuron
  • B. Sensory neuron
  • C. Motor neuron
  • D. Interneuron
5. Which of the following is the first line of treatment for type 2 diabetes?
  • A. Insulin injections
  • B. Glucagon injections
  • C. Carefully monitoring and controlling diet
  • D. Increasing the rate of cell respiration

6&7 . The image below shows some of the major endocrine glands in the human body.

endocrine system glands
6. Autoimmune destruction of which gland may result in type 1 diabetes?
  • A. 2
  • B. 3
  • C. 5
  • D. 6
7. Variation in body temperature is controlled by a hormone released from which gland?
  • A. 1
  • B. 3
  • C. 4
  • D. 5

8. What mechanisms are involved in thermoregulation in humans?

I. The pituitary gland plays a role in regulating body temperature
II. Sweating is a mechanism used by the body to cool down
III. Blood vessels in the skin can vasoconstrict to regulate heat loss
IV. The erection of hairs in the skin can help to increase heat loss.
  • A. II and IV only
  • B. I, II and III only
  • C. I, III and IV only
  • D. I, II, III and IV

9. The image shows the structure of human skin.

Diagram_showing_the_structure_of_the_skin

 Cancer Research UK
c.c. BY-SA 4.0
Which structure labelled A to D is not an effector in thermoregulation?
10. Which of the following describes a process of thermoregulation in brown adipose tissue?
  • A. Conversion of glucose to glycogen
  • B. Release of digestive enzymes
  • C. Metabolizing fat without producing ATP
  • D. Absorption of heat from the environment