Nervous System Quiz 688 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Carries a message from a neuron in the ear

Correct Answer: B) Sensory.

2. If you do not study, you will get less marks. Getting less marks is a .....

Correct Answer: A) Response.

3. Connective tissue sheath that surrounds muscle fibers.

Correct Answer: A) Endomysium.

4. What is the result of voltage-gated K+ channels opening and K+ leaving the cell?

Correct Answer: A) The cell returns to resting state.

5. Which of the following is the conducting region of the neuron? (a)

Correct Answer: A) A Axon.

6. A fatty sheath insulates the neuron's axon and increases impulse speed.

Correct Answer: A) True.

7. ..... is the part of the brain that coordinates muscular activity.

Correct Answer: B) Cerebellum.

8. What is the body system that sends and receives electrical signals from the brain?

Correct Answer: B) Nervous System.

9. What is the name of a nerve cell?

Correct Answer: C) Neuron.

10. The three layers of the spinal cord are called what is the three layers covering the spinal cord

Correct Answer: A) Meninges.

11. What is the role of the myelin sheath?

Correct Answer: C) To speed up the transmission of electrical signals.

12. Involuntary control of body movements

Correct Answer: C) Autonomic NS.

13. Which system controls involuntary responses?

Correct Answer: B) Autonomic.

14. What does the image show?

Correct Answer: A) Reflex action.

15. Wake up to urine at nite

Correct Answer: C) Waking up from sleep to urinate.

16. Is the center of our thinking. It's where our language functions and memory are located.

Correct Answer: A) Cerebrum.

17. Controls involuntary bodily functions (not consciously controlled), such as breathing, the heartbeat, and digestive processes.

Correct Answer: A) Autonomic Nervous System.

18. Peripheral Nervous system comprises what?

Correct Answer: B) Nerves from brain and spinal cord.

19. The nervous system's main objective is to

Correct Answer: A) Coordinate actions.

20. Plants can detect gravity and respond to it. How do the roots respond to gravity?

Correct Answer: B) The roots grow toward gravity.