Nervous System Quiz 449 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What part of your brain controls your balance?

Correct Answer: B) Cerebellum.

2. What is the role of myelin sheath?

Correct Answer: C) It insulates the axon and increases the speed of the impulse.

3. Division of the peripheral nervous system that carries impulses away from the brain and connects to a muscle or gland to cause a response

Correct Answer: B) Motor/efferent.

4. The right and left gray matter areas of the spinal cord are connected by the .....

Correct Answer: B) Gray commissure.

5. Neurons contain several axons to carry messages to the cell body. (Correct to true)

Correct Answer: B) False.

6. The root word cephal/o means:

Correct Answer: C) Head.

7. The neuron is

Correct Answer: A) A bundle of nerve cells.

8. Star-shaped and connects neurons to blood vessels

Correct Answer: C) Astrocytes.

9. This diagram shows:

Correct Answer: A) A reflex arc.

10. The brain acts as the body's .....

Correct Answer: D) Control center.

11. What is the Somatic Nervous System a division of?

Correct Answer: B) Peripheral Nervous System.

12. ..... carries information to the spinal cord

Correct Answer: B) Sensory neuron.

13. Which is NOT a basic taste sensation?

Correct Answer: C) Tangy.

14. What part of the brain does the optic nerve cross over the two hemispheres?

Correct Answer: B) Optic Chiasm.

15. What happened to Phineas Gage on Sept. 13, 1848?

Correct Answer: C) He had an accident that injured his brain.

16. Any influence in your environment that causes a reaction is known as what?

Correct Answer: B) A stimulus.

17. Flavor of amino acids or proteins

Correct Answer: A) Umami.

18. Which 2 parts make up Peripheral NS?

Correct Answer: D) Somatic NS & Autonomic NS.

19. Which cranial nerve is responsible for your ability to chew your food?

Correct Answer: C) Trigeminal nerve.

20. Where is the blind spot located in humans

Correct Answer: B) Back of the eye.