Nervous System Quiz 103 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Suffering from Obesity

Correct Answer: C) Suffering from obesity.

2. Which of the following is not one of the three protective layers of the brain?

Correct Answer: D) Blood Brain Barrier.

3. Which of these are functions of the nervous system?

Correct Answer: D) All of these.

4. Receptors for taste are called ..... receptors.

Correct Answer: B) Gustatory.

5. Controls the actions of the muscles over which we have no control

Correct Answer: A) Autonomic system.

6. What is the function of the cerebellum?

Correct Answer: B) Coordinates muscle actions.

7. The ..... is a long bundle of neurons that goes down your back.

Correct Answer: D) Spinal cord.

8. What is the function of the diaphragm?

Correct Answer: A) The muscle that contracts and relaxes when you breathe.

9. The ..... is the dark layer of the eye that absorbs light.

Correct Answer: A) Choroid.

10. This division is the part of the PNS that deals with motor movements and receives messages from the brain.

Correct Answer: A) They will bring it out.

11. The organs we use to sense things with are known as the?

Correct Answer: A) Sensory Organs.

12. Enable communication between sensory and motor neuron.

Correct Answer: B) Connector neuron.

13. Which of the following is NOT a basic function of the nervous system?

Correct Answer: A) Deliver oxygen.

14. When an action potential passes over the surface of a synaptic knob, the contents of the vesicles are released in response to the presence of

Correct Answer: D) Calcium ions.

15. Part of the nervous system that controls balance

Correct Answer: B) Cerebellum.

16. The pons is responsible for reflex actions including chewing, tasting, and saliva production.

Correct Answer: A) True.

17. When a neuron reaches threshold and an action potential is generated:

Correct Answer: A) Sodium ions enter the cell.

18. Insulates the axon and helps the electrical signal travel more quickly

Correct Answer: C) Myelin sheath.

19. Which joint is present in knee and elbow?

Correct Answer: A) Hinge.

20. What are the thin filaments in a myofibril?

Correct Answer: C) Actin.