Nervous System Quiz 351 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Why is Santiago Ramón y Cajal famous?

Correct Answer: B) He proposed that there were gaps between neurons.

2. It interprets this smell.

Correct Answer: B) Olfactory bulb.

3. Heartbeat, reflexes, and digestion are examples of

Correct Answer: B) Involuntary processes.

4. This is the part of the neuron that carries messages away from the cell body.

Correct Answer: B) Axon.

5. Cranial nerves and spinal nerves are part of the:

Correct Answer: D) Peripheral nervous system.

6. What can happen to your pupils if you are stressed, anxious, etc.?

Correct Answer: C) They dilate.

7. Type of neuron helper cell that forms a protective membrane in brain

Correct Answer: D) Ependymal cells.

8. COLUMN OF NERVES FROM THE BRAIN TO THE TAILBONE

Correct Answer: A) SPINAL CORD.

9. Neuroglia that line fluid-filled cavities and produce and circulate cerebrospinal fluid are:

Correct Answer: C) Ependymal Cells.

10. Where can proprioceptors be found?

Correct Answer: C) Send.

11. What structure of a neuron brings in messages from other neurons?

Correct Answer: A) Dendrites.

12. In a typical reflex arc, the effector (ex:a muscle cell) receives a signal from what type of neuron?

Correct Answer: B) Motor neuron.

13. Insects are classified into what phylum?

Correct Answer: A) Arthropoda.

14. The term meaning inflammation of the brain is?

Correct Answer: C) Encephalitis.

15. What type of stimulus? Increasing blood sugar levels

Correct Answer: A) Internal.

16. What is the first structure to vibrate due to sound waves?

Correct Answer: A) Tympanic membrane (eardrum).

17. The area of the brain that has many furrows but lacks convolutions is .....

Correct Answer: B) Cerebellum.

18. The tiny gap between neurons where signals are sent from one neuron to another. It is where communication occurs between an axon and dendrite

Correct Answer: A) Conclusion.

19. The flow of ..... ion is the most common cause of depolarization.

Correct Answer: A) Sodium.

20. True or false? Schwann cells are in the CNS

Correct Answer: B) False (only PNS).