Nervous System Quiz 68 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Which sense organ contains light receptors?

Correct Answer: A) Eye.

2. If the cell stayed at a charge beneath resting membrane potential, -70mV, then .....

Correct Answer: D) The cell would be paralyzed-unable to accept another message.

3. Which of the following body systems are controlled by the nervous system?

Correct Answer: E) All answers are correct (all systems).

4. A viral disorder that is rare in the U.S., and has almost been eradicated, that causes paralysis:

Correct Answer: C) Poliomyelitis.

5. Single nerve fiber covered by the myelin sheath that carries impulses away from the cell.

Correct Answer: A) Axon.

6. The spaces between myelin on an axon are called

Correct Answer: B) Nodes of ranvier.

7. Rest and digest?

Correct Answer: B) Parasympathetic Nervous System.

8. The parietal lobe controls

Correct Answer: A) Sense of touch.

9. Brain to muscles?

Correct Answer: A) Motor Nerves.

10. What is function temporal lobe of brain?

Correct Answer: C) Processes auditory information from the ears.

11. The nerve cell consists of

Correct Answer: D) (a), (b) and (c).

12. What does the Parietal Lobe control?

Correct Answer: A) Movement and Sensations, such as pain or touch.

13. Stimulus is like the "cause" and response is like .....

Correct Answer: B) The effect.

14. Which brain function is the pons involved with?

Correct Answer: D) Body movement; alertness.

15. Which system is voluntary

Correct Answer: B) Somatic.

16. What is the gap that separates the axon of one neuron and the dendrite of the next neuron called?

Correct Answer: A) Synaptic gap.

17. The nucleus is found in the dendrite.

Correct Answer: B) FALSE.

18. Produce the fatty, white substance that is wrapped around the axon of a neuron.

Correct Answer: A) Schwann cells.

19. Action Potential:The interior of the cell becomes less negative due to an influx of sodium ions.

Correct Answer: B) Depolarization.

20. Which region of the brain regulates balance?

Correct Answer: D) The cerebellum.