Nervous System Quiz 652 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Which ion triggers the release of the neurotransmitter into the synaptic cleft?

Correct Answer: C) Calcium.

2. The "sodium-potassium pump" pumps.....

Correct Answer: A) Sodium ions out and potassium ions in.

3. The part of the nervous system consisting of the brain and spinal cord:

Correct Answer: A) Central nervous system.

4. The ..... part of the peripheral nervous system is composed of the somatic and autonomic nervous systems.

Correct Answer: A) Motor.

5. This sense lets you know where all your body parts are

Correct Answer: B) Proprioception.

6. Interprets information/messages and decides action(s) to implement

Correct Answer: A) Brain.

7. The gaps in the myelin sheath along an axon

Correct Answer: A) Nodes of Ranvier.

8. Three layers of membranes known as ..... protect the brain and spinal cord:Dura Mater, Arachnoid Mater, and the Pia Mater

Correct Answer: C) Meninges.

9. Processes irritation into nerve impulses:

Correct Answer: E) Neuron.

10. When we touch hot objects, we immediately move our hand away.

Correct Answer: A) Spinal reflex.

11. During repolorization Potassium (k+) moves .....

Correct Answer: B) Out of the cell.

12. Central Nervous System is consist of brain and spinal cord

Correct Answer: A) True.

13. Homeostasis refers to

Correct Answer: D) The constancy of the internal environment of an organism.

14. A ..... is a collection of axons bundled together with blood vessels and connective tissue. They are everywhere in your body.

Correct Answer: C) Nerve.

15. Largest part of brain, the center of intelligence ( hearing, seeing, thinking ..... etc

Correct Answer: A) Cerebrum.

16. When not enough dopamine is produced in the brain a resulting condition is called

Correct Answer: B) Parkinson's disease.

17. What ion causes an action potential?

Correct Answer: A) Sodium.

18. What is the function of the eye

Correct Answer: B) Capture light.

19. Are neurons very big or very small?

Correct Answer: B) Very Small.

20. What are three organs that are controlled by our involuntary movements?

Correct Answer: A) The heart, lungs and stomach.