Nervous System Quiz 203 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What is the function of the blood-brain barrier?

Correct Answer: A) To prevent foreign substances from entering the brain.

2. Hand & arm condition that occurs when the medial nerve and tendons that pass through a canal/tunnel in the wrist are pinched

Correct Answer: B) Carpal tunnel syndrome.

3. Persistent, severe, burning pain that usually follows an injury to a sensory nerve.

Correct Answer: C) Causalgia.

4. What part of the nervous system contains neurons that interpret signals and send responses?

Correct Answer: D) Brain.

5. Identify Letter Q

Correct Answer: C) Epiglottis.

6. Which part of the body is involved in the nervous system?

Correct Answer: A) Brain and spinal cord.

7. The structures that carry messages toward a neuron's cell body are

Correct Answer: B) Dendrites.

8. An example of a chemoreceptor is

Correct Answer: C) Taste buds.

9. Any behavior of an organism that results from an external or internal stimulus.

Correct Answer: C) Response.

10. What is the function of the peripheral nervous system?

Correct Answer: A) To carry impulses between the body and the central system.

11. An example of an involuntary action is

Correct Answer: D) Blood pumping through your body.

12. A neuron impulse can be categorized as an ion exchange

Correct Answer: A) True.

13. The neurilemma of axons in the peripheral nervous system is formed by

Correct Answer: A) Schwann cells.

14. What is another name for a nerve cell?

Correct Answer: C) Neuron.

15. Single long arm of the neuron

Correct Answer: A) Axon.

16. An organism's ability to maintain steady, internal conditions even when outside conditions change. A state of internal balance.

Correct Answer: A) Homeostasis.

17. The Autonomic Nervous System is a branch of what division of the PNS?

Correct Answer: A) Efferent Visceral Division.

18. The myelin sheath around an axon is made

Correct Answer: C) From Schwann cells.

19. Are you more left-brained or right-brained?

Correct Answer: C) Both.

20. The gaps that exist between each myelin sheath cell along the axon. The signals jump from one gap to the next

Correct Answer: D) Node of Ranvier.