Nervous System Quiz 128 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Your ..... nervous system is your body's control center

Correct Answer: B) Central.

2. Motor neurons carry impulses ..... the brain

Correct Answer: B) Away from.

3. Functions of the Cerebellum?

Correct Answer: D) All of the above.

4. The three main parts of the brain are ....., ....., and .....

Correct Answer: B) Cerebrum, Cerebellum, Brain stem.

5. Along a neuron, the correct pathway for impulse conduction is:

Correct Answer: B) Dendrite, cell body, axon.

6. The reaction to a stimulus

Correct Answer: A) Response.

7. What is the chemical used by a neuron to transmit an impulse across a synapse to another nerve cell?

Correct Answer: A) Neurotransmitters.

8. This type of reflex would involve skeletal muscles

Correct Answer: D) Withdrawal.

9. What is the role of the myelin sheath in a neuron?

Correct Answer: B) Speeds up transmission of action potential and insulates the axon.

10. Sound is caused by .....

Correct Answer: B) Vibrations.

11. The bundle of nerves that run up and down the length of the back and transmit most messages between the body and brain is called the

Correct Answer: B) Spinal cord.

12. Skeletal muscle contraction is initiated when the ..... sends a message to the muscle cell.

Correct Answer: B) Neuron.

13. What nervous system controls the voluntary functions of the five senses?

Correct Answer: A) Central.

14. Cranial nerves and spinal nerves are your peripheral nervous system.

Correct Answer: A) True.

15. Carbohydrates are broken down into ..... and their main function is .....

Correct Answer: A) Monosaccharides; provide living things with energy.

16. Produces calming effects and lowers blood pressure

Correct Answer: C) GABA.

17. Any signal molecule that binds to a receptor is called a .....

Correct Answer: B) Ligand.

18. Which part of the nervous system includes the brain and spinal cord?

Correct Answer: A) Central Nervous System (CNS).

19. What structure connects the two hemispheres of the brain?

Correct Answer: B) Callous body.

20. What's in the picture?

Correct Answer: A) Peripheral nervous system.