Nervous System Quiz 664 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Send signals FROM the BRAIN TO the rest of the BODY. (example-your brain sends signal to move hand away from hot pan)

Correct Answer: B) Motor nerves.

2. Sounds are sent from the cochlea to the brain.

Correct Answer: A) True.

3. What is the primary function of astrocytes in the central nervous system (CNS)?

Correct Answer: C) Protecting neurons and controlling the chemical environment of the brain.

4. The difference in electrical charge between the inside and outside of a resting nerve cell membrane is called the resting membrane .....

Correct Answer: C) Potential.

5. True or False:When the action potential reaches the axon terminal, it triggers the release of neurotransmitters

Correct Answer: A) True.

6. What is the type of message that travels along a neurone?

Correct Answer: B) Electrical impulse.

7. Nerves that carry messages to the brain are called:

Correct Answer: B) Sensory nerves.

8. The somatic nervous system functions voluntarily with skeletal muscles of the body.

Correct Answer: A) True.

9. Tendons connect ..... to bone.

Correct Answer: C) Muscle.

10. Branch like extensions on a neuron that GET signals and connect to the synapse.

Correct Answer: A) Dendrites.

11. Impulses that travel toward the central nervous system are called

Correct Answer: A) Afferent neurons.

12. Three membranes in brain is called

Correct Answer: A) Meninges.

13. An action as a result of a nerve impulse, e.g. moving a muscle stimulus

Correct Answer: A) Response.

14. Combining form that means gray matter

Correct Answer: B) Polio.

15. Part of the digestive system that connects the mouth to the stomach. The walls contract to push food down to the stomach.

Correct Answer: A) Esophagus.

16. Which division of the nervous system is composed of the brain and spinal cord?

Correct Answer: C) The Central NS.

17. Your ..... controls all your body's actions and jobs.

Correct Answer: D) Nervous system.

18. Which division of the nervous system is responsible for regulating smooth and cardiac muscle contraction?

Correct Answer: A) Autonomic.

19. What are two parts of the central nervous system?

Correct Answer: A) Brain/spinal cord.

20. Thick ridges covering the surface of the brain are called:

Correct Answer: B) Gyri.