Nervous System Quiz 923 (20 MCQs)

Quiz Instructions

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1. Regulation of body processes is the function of the ..... system.

Correct Answer: C) Endocrine.

2. Part of brainstem continuous with the spinal cord

Correct Answer: B) Spinal cord elongated.

3. The ..... nervous system consists of a network of nerves throughout the body:

Correct Answer: B) PNS.

4. Carries electric signals from the rods and cones to the brain:

Correct Answer: D) Optic nerve.

5. What is inside when the neuron is at rest?

Correct Answer: B) K ions.

6. Find the short day plant

Correct Answer: A) Chrysanthemums.

7. Where does integration occur in a reflex arc?

Correct Answer: C) Spinal cord.

8. What is the function of a neuron?

Correct Answer: C) Transmit electrochemical messages throughout the body.

9. What is the cerebrum known as?

Correct Answer: C) The largest part of the brain.

10. Extension of a neuron that carries impulses away

Correct Answer: D) Axons.

11. Messages must be sent across the gap between two neurons, but we need a special chemical to do so. What are these called?

Correct Answer: A) Neurotransmitter.

12. An organisms special survival instinct to threat is called

Correct Answer: C) Fight or flight response.

13. Area of cerebrum that allows us to speak

Correct Answer: A) Broca's Area.

14. What type of neuron has only one process extending from the cell body?

Correct Answer: C) Unipolar neuron.

15. Which are more numerous:Glial or neurons?

Correct Answer: A) Glial.

16. How many nerves does a average human have

Correct Answer: A) 7 trillion.

17. A change or signal in the environment that makes the nervous system react is called a

Correct Answer: A) Stimulus.

18. What system connects the central nervous system to the rest of the body?

Correct Answer: D) Peripheral nervous system.

19. Neurons that carry messages from the brain and spinal cord

Correct Answer: B) They will bring.

20. Brain is covered with .....

Correct Answer: A) Skull.