Nervous System Quiz 813 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. When a threshold is achieved, an event called the ..... potential occurs

Correct Answer: C) Uptake.

2. What is the role of the sympathetic nervous system?

Correct Answer: A) Control you "fight or flight" response.

3. All parts of the Nervous System except for the Brain and Spinal cord

Correct Answer: D) Peripheral Nervous System.

4. What is the part of the neuron that receives impulses?

Correct Answer: C) Cell body.

5. Gaps in the myelin sheath that help transmit the impulse quickly.

Correct Answer: D) Nodes of Ranvier.

6. Which of the following is not part of the inner ear?

Correct Answer: D) Ossicles.

7. What is the inner most layer of the meninges that touch the brain?

Correct Answer: C) Pia mater.

8. Gaps in the myelin sheath that expose the axon membrane

Correct Answer: A) Nodes.

9. The nervous system works directly with the ..... system to control the expanding and contracting of our lungs.

Correct Answer: C) Respiratory.

10. Which of the following is not found in the diencephalon?

Correct Answer: C) Postcentral gyrus.

11. If you step on a nail ..... what type of neuron will take that signal TO the spinal cord?

Correct Answer: C) Sensory.

12. What does the left hemisphere control?

Correct Answer: C) The right side of your body.

13. Anything that causes an action or response in a living thing.

Correct Answer: B) Stimulus.

14. Read the following and choose the correct neuroglia. "protects the chemical environment of the brain"

Correct Answer: A) Astrocyte.

15. Which of the following statements about the PNS is INCORRECT.

Correct Answer: E) None of the other 4 statements are INCORRECT.

16. The nervous system is made of the

Correct Answer: D) Brain, spinal cord, neurons.

17. .....cells help destroy bacterial cells and cellular debris.

Correct Answer: A) Microglial.

18. TENS

Correct Answer: C) A battery-powered device delivers stimulation to nerves to relieve acute and chronic pain.

19. Which of the following surrounds the axon

Correct Answer: D) Myelin sheath.

20. Which 2 parts make up the Central Nervous System?

Correct Answer: B) Brain and Spinal Cord.