Nervous System Quiz 463 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. A shell is a type of .....

Correct Answer: A) Exoskeleton.

2. When you do VOLUNTARY activities like thinking, solving math problems, and remembering, which part of the brain is working?

Correct Answer: A) Cerebrum.

3. Neurotransmitters that are ..... cause a neuron to fire whereas ..... neurotransmitters reduce the likelihood that a neuron will fire.

Correct Answer: A) Excitatory; inhibitory.

4. This is known as a network of nerves that originate in the brain or spinal cord that include 43 pairs of nerves.

Correct Answer: B) Peripheral nervous system.

5. An example of DIRECT cell communication is:

Correct Answer: A) White blood cells bumping into each other sharing antigen info.

6. Neurons that gather information from your surroundings

Correct Answer: B) Sensory.

7. The ..... is a selectively permeable membrane regulates the passage of large and small molecules into the microenvironment of the brain.

Correct Answer: B) Blood brain barrier.

8. Sound waves travel the FASTEST through .....

Correct Answer: C) Solids.

9. Sensory functions mean that the nervous system .....

Correct Answer: B) Receives information from sensory receptors regarding a change inside or outside the body.

10. Skeletal muscle activation

Correct Answer: A) Somatic.

11. ..... detect pressure.

Correct Answer: C) Mechanoreceptors.

12. What is the function of the Nodes of Ranvier?

Correct Answer: A) Speed up the transmission of nerve impulses.

13. What are multipolar neurons?

Correct Answer: C) Has 3 or more processes (most common type).

14. The function of grey matter is ..... ?

Correct Answer: B) Processing.

15. Consists of the brain and the spinal cord and is the control center of the body.

Correct Answer: C) Central nervous system.

16. What is the function of an astrocyte?

Correct Answer: C) Support CNS neurons.

17. A child is not able to read letters in the book clearly and has to keep the book far away to read it clearly. In this defect, the image is formed

Correct Answer: C) Behind the retina.

18. The collective (as a group) name for dopamine, serotonin and noradrenaline is:

Correct Answer: B) Neurotransmitters.

19. Which of the following cranial nerves is a motor nerve?

Correct Answer: D) Hypoglossal Nerve.

20. Electrical signals

Correct Answer: B) Nerves carry.