Nervous System Quiz 464 (20 MCQs)

Quiz Instructions

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1. The part of the brain responsible for conducting impulses between brain parts and for certain eye and auditory reflexes is the .....

Correct Answer: C) Midbrain.

2. What is the other term for nerve cell?

Correct Answer: C) Neuron.

3. Normally, the inside of the axon is ..... compared to the outside.

Correct Answer: B) Negative.

4. What three things do sensory receptors detect?

Correct Answer: A) Touch, Temperature, Pain.

5. Part of the brain that controls voluntary movements and thought processes

Correct Answer: C) Cerebrum.

6. If you picked up a hot coal, ..... with endings in your fingertips would convey the information to your CNS that it was really hot.

Correct Answer: A) Sensory Neurons.

7. A shell is a type of .....

Correct Answer: A) Exoskeleton.

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

Correct Answer: A) Cerebrum.

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

Correct Answer: A) Excitatory; inhibitory.

10. 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.

11. An example of DIRECT cell communication is:

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

12. Neurons that gather information from your surroundings

Correct Answer: B) Sensory.

13. 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.

14. Sound waves travel the FASTEST through .....

Correct Answer: C) Solids.

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

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

16. Skeletal muscle activation

Correct Answer: A) Somatic.

17. ..... detect pressure.

Correct Answer: C) Mechanoreceptors.

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

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

19. What are multipolar neurons?

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

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

Correct Answer: B) Processing.