Nervous System Quiz 714 (20 MCQs)

Quiz Instructions

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1. Sensory fibers carrying impulses from visceral organs are called ..... sensory fibers.

Correct Answer: B) Visceral.

2. Which of these is important in forming and retaining memories and is seahorse-shaped?

Correct Answer: D) Hippocampus.

3. What is another name for the body cell of a neuron?

Correct Answer: D) Soma.

4. ..... are events or conditions that cause your body to react.

Correct Answer: B) Stimuli.

5. What system is made up of the brain and spinal cord?

Correct Answer: C) Central Nervous System.

6. The gap between two neurones is called a .....

Correct Answer: C) Conclusion.

7. ....carry messages from the brain to other parts of the body.

Correct Answer: C) Motor nerves.

8. Which mixed nerve has sensory fibers associated with the pharynx, tonsils, and carotid arteries, and motor fibers associated with swallowing?

Correct Answer: A) Glossopharyngeal (IX).

9. Person is asked to protrude and retract tongue.

Correct Answer: D) Hypoglossal.

10. Which function of the nervous system is responsible for receiving information about the external environment?

Correct Answer: B) Sensation.

11. When an action potential travels down an axon, the next segment of the neuron becomes ....., while the previous segment is returning to .....

Correct Answer: A) Positive, negative.

12. How is information carried from the CNS to a muscle or gland?

Correct Answer: C) Motor neurons.

13. What action describes a response to internal stimuli?

Correct Answer: B) Drinking when you are thirsty.

14. Nerves that control heartbeat and digestion are ..... nerves.

Correct Answer: B) Autonomic.

15. A complex network of nerve fibers in the brainstem that arouses the cerebrum

Correct Answer: A) Reticular formation.

16. Preganglionic sympathetic axons pass through which of the following structures?

Correct Answer: B) White rami.

17. Ascending tracts

Correct Answer: A) Sensory tracts.

18. Which part of the brain is responsible for regulating balance and coordination?

Correct Answer: B) Cerebellum.

19. The place where the action potential is produced is

Correct Answer: B) Axon hillock.

20. What part of the brain controls basic body behaviors?

Correct Answer: C) Brain stem.