Nervous System Quiz 622 (20 MCQs)

Quiz Instructions

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1. Which type of PNS neuroglial cells wrap a myelin sheath around the long axons of neurons?

Correct Answer: B) Schwann cells.

2. What is the function of the Axon Terminal?

Correct Answer: B) Releases neurotransmitters at dendrites.

3. Thermoreceptors are sensitive to changes in what?

Correct Answer: D) Temperature.

4. ..... are biochemical substances that are released into the synaptic cleft to stimulate or suppress other neurons.

Correct Answer: C) Neurotransmitters.

5. Which part of the brain is responsible for perception of touch, pressure and pain?

Correct Answer: C) Sensory Cortex.

6. Passes the signal to the brain and back.

Correct Answer: C) Interneuron/spinal cord.

7. What layer of skin senses pain?

Correct Answer: C) Dermis.

8. What are strands of tough connective tissue that connect skeletal muscles to bones?

Correct Answer: D) Tendons.

9. Unilateral paralysis of the nerves that control the facial muscles, causing one side of the face to droop

Correct Answer: A) Bell's palsy.

10. The stomach does BOTH mechanical and chemical digestion.

Correct Answer: A) True.

11. A change or signal that makes an organism react is called a

Correct Answer: B) Stimulus.

12. A person with damage to the cerebellum will like have trouble with which sense?

Correct Answer: C) Movement.

13. Glial cells that wrap around nerve fibers and produce a fatty insulating material called myelin

Correct Answer: A) Oligodendrocytes.

14. Your nails grow from a .....

Correct Answer: B) Root.

15. Which number represents the spinal cord?

Correct Answer: D) D.

16. Picks up stimuli and carries impulses to the spinal cord and brain

Correct Answer: A) Sensory Neuron.

17. Which part of the nervous system is responsible for the fight or flight response during exercise?

Correct Answer: B) Sympathetic nervous system.

18. Behaviors like talking, walking, or picking up an orange are all controlled by the ..... nervous system.

Correct Answer: D) Somatic.

19. This neuron part processes incoming messages.

Correct Answer: C) Cell Body.

20. To which system transmits the information the peripheral system?

Correct Answer: B) Central Nervous System.