Nervous System Quiz 65 (20 MCQs)

Quiz Instructions

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1. What is the unit of Nervous System which coordinates the activity of human body?

Correct Answer: C) Neuron.

2. The nervous system is responsible for ..... in the body.

Correct Answer: D) Controlling and coordinating activities.

3. A student holds two vibrating objects. Object A is vibrating faster than object B. Which statement is true?

Correct Answer: C) A will have a higher pitch than B.

4. The long extension that transmits impulses away.

Correct Answer: D) Axon.

5. The long extension from a nerve cell along which signals travel

Correct Answer: B) Axon.

6. What causes a nerve impulse?

Correct Answer: B) The movement of ions causing a change in electrical charges.

7. What does the neurons impulses?

Correct Answer: A) Electrical impulses.

8. Something that causes a response

Correct Answer: C) Stimulus.

9. What part of a nerve cell functions to speed up the passage of impulses (excitations)?

Correct Answer: D) Myelin sheath.

10. A change in the internal (inside) environment of an organism that causes a response.

Correct Answer: A) Internal Stimulus.

11. Which layer of the meninges is described as a thick outer covering of the brain?

Correct Answer: C) Dura Mater.

12. What are dendrites?

Correct Answer: C) Root like processes that receive the impulse and conduct them to the cell body.

13. This is the negatively charged ion inside the neuron:

Correct Answer: C) Protein.

14. A resting neuron is more ..... than its surroundings.

Correct Answer: A) Negative.

15. Which of the four lobes is typically responsible for receiving and processing auditory information?

Correct Answer: D) Temporal.

16. In which pathway does an impulse travel?

Correct Answer: A) Dendrites, cell body, axon, axon terminal, synaptic knob.

17. What do vacuoles do?

Correct Answer: D) Storage area for cells; water storage in plants.

18. Two glial cells insulate neurons by producing myelin. Which one is specific to the Central Nervous System?

Correct Answer: C) Oligodendrocyte.

19. What are the 5 senses?

Correct Answer: A) Sight, smell, touch, hear, taste.

20. The ..... is the white part of the fibrous layer of the eye.

Correct Answer: A) Sclera.