Nervous System Quiz 1016 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Open ion channels in the cell membrane and depolarize the postsynaptic neuron, causing an action potential to be passed along.

Correct Answer: A) Excitatory neurotransmitters.

2. When your nervous system receptors monitor internal and external changes, this is known as?

Correct Answer: A) Sensory Input.

3. An injury to the spinal cord could result in a loss of sensation to part or all of the body. This is known as .....

Correct Answer: C) Anesthesia.

4. An automatic involuntary response to changes occurring inside or outside the body is called a ..... ?

Correct Answer: C) Reflex.

5. Someone fell and hit the back of their head. They now have jerky, shaky movements. What part of the brain may be injured because of this fall?

Correct Answer: D) Cerebellum.

6. The myelin sheaths that surround the axons of some of the neurons in the CNS are formed by

Correct Answer: C) Oligodendrocytes.

7. Summoned

Correct Answer: C) Body.

8. It is also known as the voice box.

Correct Answer: A) Trachea.

9. Sensory function involve

Correct Answer: C) Sensory receptors.

10. These send, relay, and process signals in your brain and throughout your body.

Correct Answer: A) Nerve cells.

11. The nervous system is made up of two parts. They are .....

Correct Answer: D) The central and peripheral nervous system.

12. Which layer of the meninges is the one closest to the brain?

Correct Answer: C) Piamater.

13. What does the Central Nervous System help coordinate?

Correct Answer: C) Thinking.

14. What do the rods of our eyes detect?

Correct Answer: A) Brightness of light.

15. Hot fever

Correct Answer: B) Fever.

16. Connects the left and right hemispheres(sides) of the brain.

Correct Answer: A) Corpus Callosum.

17. The myelin sheath is made up of

Correct Answer: D) Schwann cells.

18. Which part of brain is called the thinking brain?

Correct Answer: A) Cerebrum.

19. What type of glia produce myelin sheaths in the Brain and Spinal Cord?

Correct Answer: C) Oligodendrocytes.

20. Which is true about the thymus?

Correct Answer: C) It stops working as you age.