Nervous System Quiz 1023 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Which neuron connects other neurons in the spinal cord?

Correct Answer: C) Interneuron.

2. A disease caused by the lens getting cloudy is called

Correct Answer: B) Cataracts.

3. Which of the following lobes is responsible for vision?

Correct Answer: C) Occipital.

4. Electroencephalogram

Correct Answer: A) Record of the electrical activity in the brain.

5. Part of the PNS that controls cardiac, smooth muscles and glands

Correct Answer: A) Autonomic.

6. What part of your nervous system carries messages?

Correct Answer: A) Nerves.

7. The two main types of cells in the nervous system are neurons and neuroglia.

Correct Answer: A) True.

8. What is the main function of the Occipital lobe?

Correct Answer: D) Sight.

9. In reflex arc, what passes information from interneurons to an effector?

Correct Answer: D) Motor neuron.

10. Grooves on the brain

Correct Answer: B) Sulci.

11. A reflex arc

Correct Answer: C) Involves the spinal cord.

12. The largest portion of the brain:

Correct Answer: B) Cerebrum.

13. Tiny bones found in the middle ear

Correct Answer: A) Ossicles.

14. This type of muscle tissue is found in the walls of hollow organs such as the stomach

Correct Answer: C) Smooth.

15. Why does an increase in axon diameter result in an increase in conduction velocity?

Correct Answer: A) Reduced cytoplasmic resistance.

16. A neural pathway is best described as a

Correct Answer: C) Circuit of interconnected neurons along which information travels.

17. In-

Correct Answer: B) In, within.

18. This part of the neuron contains fibers that receive messages from other neurons.

Correct Answer: A) Dendrites.

19. Astrocytes, Ependymal Cells, Schwann cells, microglia, oligodendrocytes are all:

Correct Answer: C) Neuroglia.

20. The critical point at which a stimulus causes an action potential

Correct Answer: D) Threshold.