Nervous System Quiz 43 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Autism is a disorder with compulsive and ritualistic behavior and frequent poor communication.

Correct Answer: A) True.

2. What is the job of the nerves?

Correct Answer: B) Take messages from the senses to the brain.

3. What are three main parts of the brain?

Correct Answer: A) Brain stem cerebellum; the brain.

4. The three bones of the middle ear vibrate in order to amplify sound waves coming from the ear canal. These three bones are

Correct Answer: D) Ancus, stapes, hammer.

5. When no longer in Fight or Flight mode, feelings of calm is controlled by the;

Correct Answer: B) Parasympathetic NS.

6. All are factors in the speed of action potential EXCEPT

Correct Answer: D) Length of the axon.

7. Which of the following are the parts of neurons?

Correct Answer: B) Dendrite, axon, and cell body.

8. If you are riding your bike you are using your ..... nervous system

Correct Answer: A) Somatic.

9. What part of the brain allows for smooth coordinated movements?

Correct Answer: D) Cerebellum.

10. Choose the correct sequence for a sensory stimulus to take through the nervous system.

Correct Answer: C) Afferent neuron, interneuron, motor neuron.

11. The largest part of the brain separated into two hemispheres.

Correct Answer: C) Cerebrum.

12. How fast do messages travel in a neuron?

Correct Answer: C) 268 mph.

13. What NS do you use when you breath?

Correct Answer: B) Involuntary.

14. ..... open or close in response to binding specific molecules.

Correct Answer: D) Ligan/Chemically gated channels.

15. Form myelin sheaths around axons in the PNS

Correct Answer: B) Schwann cells.

16. True or false:Humans have cured several viruses.

Correct Answer: B) False.

17. What are the folds of the brain called? They allow for more nerve cells.

Correct Answer: B) Sulci.

18. What would your body's response be to having the flame of a candle getting too close to your hand?

Correct Answer: C) To pull your hand away.

19. Neurotransmitters are ..... that travel across the ..... to another cell.

Correct Answer: D) Chemicals; synapse.

20. What are the two divisions of the nervous system?

Correct Answer: B) Central and peripheral nervous systems.