Nervous System Quiz 828 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What ions are abundant in the extracellular fluid of neurons?

Correct Answer: A) Sodium.

2. Cerebellum helps us to maintain the balance of the body and coordinates the movement of skeletal muscles.

Correct Answer: B) True.

3. A process by which the body breaks down food so that it can be used for energy.

Correct Answer: B) Digestion.

4. These type of neurons transmit signals from your central nervous system to your muscles and stimulate them to contract.

Correct Answer: C) Motor.

5. The part of the brain that is responsible for thought, reasoning, memory, judgment, speech, and voluntary body movement is the .....

Correct Answer: A) Cerebrum.

6. ..... is the third layer of an eye.

Correct Answer: D) Retina.

7. The Amygdala is located .....

Correct Answer: A) Deep within the center of your brain.

8. What is #3 in the diagram

Correct Answer: A) Repolarization.

9. Automatic response that occurs rapidly without conscious control.

Correct Answer: B) Reflex.

10. Which of the following is a primary function of the nervous system?

Correct Answer: D) All of these.

11. What is another name for the vesicle that contains the neurotransmitters?

Correct Answer: A) Membrane sac.

12. The most profound layer of the meninges

Correct Answer: C) Piamater.

13. When in Fight or Flight mode, an increased heart rate is activated by the;

Correct Answer: A) Sympathetic NS.

14. Cardiac Muscles is found in your .....

Correct Answer: B) Heart.

15. Photoreceptor that produces color vision

Correct Answer: A) Cones.

16. Part of the ear that looks like a snail, changes sound waves into electrical messages

Correct Answer: C) Cochlea.

17. An electrochemical signal that moves down a neuron is called a(n)

Correct Answer: C) Impulse.

18. How do neurons communicate with each other?

Correct Answer: B) By releasing neurotransmitters into the synapse.

19. Which ion below IS NOT critical to muscle contraction?

Correct Answer: D) Phosphorus Ion.

20. Which part of the skeletal system protects the brain?

Correct Answer: D) Skull.