Nervous System Quiz 475 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. A simple rapid involuntary program response to a stimuli is a

Correct Answer: B) Reflex.

2. An afferent neuron.....

Correct Answer: A) Gathers information and sends signals to the CNS.

3. Radic/o

Correct Answer: A) Nerve root.

4. The myelin sheath surrounding the axon is made up of .....

Correct Answer: A) Schwann cells.

5. PNS=Peripheral Nervous SystemCNS=Central Nervous SystemWhat is the peripheral nervous system?

Correct Answer: A) The PNS is all parts of the CNS EXCEPT brain and spinal cord.

6. Branch of the nervous system that consists of the brain and spinal cord

Correct Answer: A) Central Nervous System.

7. In order for a neuron to have an action potential, the neuron must receive more

Correct Answer: A) Excitatory neurotransmitters.

8. A calloused body

Correct Answer: C) Commissural tract.

9. If someone suffered a stroke which interfered with their ability to speak, we would assume it affected

Correct Answer: A) Broca's area.

10. When a neuron is at rest, what ion is outside the cell membrane?

Correct Answer: A) Na+.

11. Which level of the nervous system is responsible for "fight or flight" reactions?

Correct Answer: B) Sympathetic Division.

12. The outermost layer of skin .....

Correct Answer: C) Epidermis.

13. What spinal cord cosists of?

Correct Answer: D) Nerves.

14. Which part of the brain controls emotion, water balance and sleep?

Correct Answer: C) Diencephalon.

15. Which division of the nervous system contains nerve fibers that carry impulses away from the central nervous system to effector organs?

Correct Answer: B) Motor (efferent) division.

16. Motor Neurons are a part of the .....

Correct Answer: C) Response pathway.

17. THE BRAIN AND THE SPINAL CHORD MAKE UP THE ..... NERVOUS SYSTEM

Correct Answer: A) CENTRAL.

18. A sensory ..... is any structure specialized to detect a stimulus.

Correct Answer: C) Receptor.

19. What do humans need to breathe in from the air?

Correct Answer: A) Oxygen.

20. Can not see things far away without corrective lenses.

Correct Answer: D) Nearsightedness.