Nervous System Quiz 537 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Action potentials run along the ..... from ..... to .....

Correct Answer: A) Axon, dendrites, axon terminals.

2. True or False:The right side of your body controls the left side of your body.

Correct Answer: A) True.

3. What causes a fever when you are sick?

Correct Answer: B) Histamines are released, which raises the body's temperature to help fight illness.

4. A change in an organism's environment is called .....

Correct Answer: A) Stimulus.

5. The critical level of depolarization that has to be reached for an action potential to occur is the .....

Correct Answer: B) Threshold potential.

6. Name the sleeping disorder where you can stop breathing for periods of time during your sleep cycle.

Correct Answer: B) Sleep apnea.

7. Which lobe of the cerebrum is responsible for language comprehension, auditory processing (hearing) and memory?

Correct Answer: B) Temporal.

8. What is an neurotransmitter?

Correct Answer: A) The chemical released at the end of an axon terminal.

9. Where are interneurons located?

Correct Answer: D) Within the central nervous system.

10. In a resting neuron, the axon membrane is .....

Correct Answer: C) Comparatively more permeable to K+ and nearly impermeable to Na+ ions.

11. All of the following are parts of the brain stem except .....

Correct Answer: C) Cerebellum.

12. Point of contact; to join

Correct Answer: A) Synaps/o, synapt/o.

13. Tube in spinal cord that is continuous with brain ventricles and contains cerebrospinal fluid

Correct Answer: A) Central canal.

14. Cranial and spinal nerves are part of the ..... nervous system

Correct Answer: C) Peripheral.

15. Which of the following nervous system responses is faster?

Correct Answer: B) Reflex.

16. Rods and cones are examples of .....

Correct Answer: B) Light receptors.

17. The division of the autonomic nervous system that acts in times of emergency is the?

Correct Answer: D) Sympathetic.

18. A network of branches coming from individual nerve cells. They RECEIVE impulses.

Correct Answer: C) Dendrite.

19. SOMETIMES YOU GET HUNGRY YOU GET

Correct Answer: A) HEADACHE.

20. Neuroglia that help remove bacteria and debris from the CNS are called

Correct Answer: B) Ependymal cells.