Nervous System Quiz 658 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. The main function of this structure is to regulate the amount of light entering the eyeball through the pupil.

Correct Answer: C) Iris.

2. The neurons that make up a long pathway touch each other.

Correct Answer: B) False.

3. 2nd nerve, controls vision

Correct Answer: B) Optic.

4. The central nervous system is made up of the brain and spinal cord and parasympathetic nerves.

Correct Answer: A) False.

5. Integrating sensory information and deciding how to respond to it are the primary functions of this part of the body:

Correct Answer: A) Central nervous system.

6. What type of cell clears dead tissue by phagocytosis?

Correct Answer: B) Microglial cells.

7. What is Alzheimer's?

Correct Answer: A) A disease of the brain that causes problems with memory, thinking and behavior.

8. The mucous membrane that lines the eyelids and covers the front of the eye is the?

Correct Answer: D) Conjunctiva.

9. ..... cells form the myelin sheaths around nerve fibers in the peripheral nervous system.

Correct Answer: A) Schwann.

10. What is the job of your peripheral nerves?

Correct Answer: D) Transmit signals to and from the brain to the body.

11. What is located in the dorsal root ganglia?

Correct Answer: C) Unipolar neurons.

12. Which part of the brain is responsible for controlling voluntary movements and balance?

Correct Answer: D) Cerebellum.

13. A signal moves through the parts of a single nerve in what order

Correct Answer: A) Dentrite, cell body, axon, axon terminal.

14. Your nervous system allows you to do which of the following

Correct Answer: D) All of the above.

15. How does the chemical produced at a synapse get from one side of the gap to the other?

Correct Answer: C) Diffusion.

16. The section that transmits impulses from the brain or spinal cord to a muscle or gland.

Correct Answer: A) Motor pathway.

17. What type of cells make up the nervous system?

Correct Answer: B) Neurons.

18. Nerve endings send messages to the brain through the

Correct Answer: C) Spinal cord.

19. Which of the following are not ORGANS in the Nervous System?

Correct Answer: D) Toe Nails.

20. Chemoreceptors detect

Correct Answer: D) Tastes and odor.