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Nervous System Quiz

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Nervous System Quiz

1. What is the main function of the nervous system?


a) Circulates blood
b) Controls body movement and responses
c) Digests food
d) Produces energy

2. Which of the following is part of the central nervous system (CNS)?


a) Heart
b) Stomach
c) Brain
d) Lungs

3. What is the basic unit of the nervous system?


a) Muscle
b) Neuron
c) Skin cell
d) Bone

4. Which of the following connects the brain to the rest of the body?
a) Liver
b) Spinal cord
c) Kidney
d) Lungs

5. What part of the brain controls balance and coordination?


a) Cerebrum
b) Cerebellum
c) Brainstem
d) Hypothalamus

6. The peripheral nervous system includes the brain and spinal cord.
True / False

7. Neurons transmit electrical signals throughout the body.


True / False

8. Reflexes are automatic responses controlled by the brain.


True / False

9. The cerebrum is the largest part of the brain.


True / False
10. Nerves are made up of many neurons bundled together.
True / False

11. What are the two main parts of the nervous system?

12. Describe the role of sensory neurons.

13. What happens in a reflex action?

14. How does the brain communicate with muscles to make them move?

15. Name a disease that affects the nervous system and briefly describe how it impacts the
body.

16. Which part of the neuron receives signals from other neurons?
a) Axon
b) Dendrite
c) Cell body
d) Synapse

17. Which part of the brain is responsible for controlling breathing and heart rate?
a) Medulla (Brainstem)
b) Cerebellum
c) Hypothalamus
d) Thalamus

18. Which type of neuron sends signals from the brain to muscles?
a) Sensory neurons
b) Motor neurons
c) Interneurons
d) Receptor neurons

19. What protects the spinal cord from injury?


a) Skull
b) Rib cage
c) Vertebrae
d) Brain fluid

20. What part of the neuron transmits impulses to other neurons or muscles?
a) Dendrite
b) Synapse
c) Axon
d) Myelin sheath

21. The brainstem controls involuntary actions like breathing and heart rate.
True / False
22. The autonomic nervous system controls voluntary muscle movements.
True / False

23. Neurons in the peripheral nervous system can regenerate if damaged.


True / False

24. The cerebellum helps regulate emotions.


True / False

25. Messages are transmitted between neurons at synapses.


True / False

26. What is the function of the myelin sheath on a neuron?

27. Explain the difference between the somatic and autonomic nervous systems.

28. How does the nervous system help you respond to a sudden loud noise?

29. What role do interneurons play in the nervous system?

30. How does the nervous system interact with the endocrine system?

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