Nervous System Quiz 712 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Can you push my hand

Correct Answer: C) Can you push my hand away?.

2. Myelin

Correct Answer: A) Consists of layers of lipids and proteins that wrap around an axon.

3. Carries messages between the peripheral nervous system and the brain:

Correct Answer: C) Spinal cord.

4. Purely motor nerve is

Correct Answer: B) Abducting.

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

Correct Answer: B) Visceral.

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

Correct Answer: D) Hippocampus.

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

Correct Answer: D) Soma.

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

Correct Answer: B) Stimuli.

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

Correct Answer: C) Central Nervous System.

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

Correct Answer: C) Conclusion.

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

Correct Answer: C) Motor nerves.

12. 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).

13. Person is asked to protrude and retract tongue.

Correct Answer: D) Hypoglossal.

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

Correct Answer: B) Sensation.

15. 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.

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

Correct Answer: C) Motor neurons.

17. What action describes a response to internal stimuli?

Correct Answer: B) Drinking when you are thirsty.

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

Correct Answer: B) Autonomic.

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

Correct Answer: A) Reticular formation.

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

Correct Answer: B) White rami.