Nervous System Quiz 3 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. The brain, spinal chord and nerves make up what body system?

Correct Answer: B) Nervous system.

2. Which way does an impulse travel

Correct Answer: A) From dendrite to axon and out axon terminal/terminal buttons.

3. The hypothalamus also controls the coordination of the ..... and the ..... systems

Correct Answer: A) Nervous and endocrine.

4. The neuroglial cells that form the myelin sheath (protective axon covering) in the PNS are the .....

Correct Answer: C) Schwann cells.

5. The sixth grade of GFMS of 2019 named our classroom skeleton

Correct Answer: C) Carl.

6. Part of the nervous system that carries signals from your CNS to only your skeletal muscles:

Correct Answer: A) Somatic or voluntary nervous system.

7. What is the function of the autonomic nervous system?

Correct Answer: B) To communicate involuntary (subconscious) instructions from the CNS to control heart and glands.

8. When joint movement occurs against gravity, the agonist performs which type of contraction?

Correct Answer: A) Concentric.

9. Scratching an itchy spot on your arm is an example of

Correct Answer: C) Motor output.

10. What has to be reached before a neurone can fully depolarise?

Correct Answer: A) Threshold potential.

11. The pupil gets smaller when there is a lot of light.

Correct Answer: A) True.

12. What does the brain stem control?

Correct Answer: C) Involuntary actions like breathing.

13. This type of neuron revieces stimuli from receptor cites in sense organs and carries message toward spinal cord and brain?

Correct Answer: B) Afferent.

14. These types of glial cells are in the PNS, and are known for their myelin sheathing. They can only wrap a small section of the axon at a time.

Correct Answer: D) Schwann cells.

15. The ..... allows us to constantly, or voluntarily control our skeletal muscles.

Correct Answer: A) Somatic nervous system.

16. Neurons that carry impulses to the brain and spinal cord are called

Correct Answer: A) Sensory neurons.

17. Food is crushed by your ..... as you chew.

Correct Answer: B) Teeth.

18. The largest of the cranial nerves is the .....

Correct Answer: A) Fifth cranial nerve.

19. Stepping outside on a cold day and shivering is an example of my body .....

Correct Answer: C) Maintaining homeostasis.

20. THE SPINAL CORD IS PROTECTED BY THE SPINAL COLUMN.

Correct Answer: A) TRUE.