Nervous System Quiz 997 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What is the main role of sensory neurons in the nervous system?

Correct Answer: C) To carry information from sensory receptors to the CNS.

2. Messages transfer ..... across the neuron.

Correct Answer: B) Electrically.

3. WHAT CONNECTS THE BRAIN TO THE REST OF THE BODY?

Correct Answer: D) THE SPINAL CORD.

4. Which part of the neuron receives information from other neurons?

Correct Answer: B) Dendrite.

5. An example of DISTANCE cell communication is:

Correct Answer: C) Hormones traveling through the blood stream to target tissues.

6. I use my ears to hear loud and ..... sounds.

Correct Answer: A) Quiet.

7. The ..... contains bundles of axons that carry impulses from one part of the nervous system to another.

Correct Answer: A) White matter.

8. Made up of sensory and motor neurons or all the nerve cells outside of the central nervous system.

Correct Answer: A) Peripheral nervous system.

9. How does caffeine make you feel energetic?

Correct Answer: A) Caffeine stimulates the nervous system.

10. An electrical charge or the neuron is known as a .....

Correct Answer: E) Nerve Impulse.

11. The membrane potential of a neuron at rest

Correct Answer: B) Resting potential.

12. The place/space at which an impulse from one neuron is communicated to another neuron is called .....

Correct Answer: C) Conclusion.

13. This cranial nerve takes scent information to the brain

Correct Answer: B) Olfactory.

14. Miles forgot his cell phone at the mall, so his parents made him take out the trash for a week. What is this called in operant conditioning?

Correct Answer: B) Positive Punishment.

15. Involuntary actions may include:

Correct Answer: A) Heart, lungs, digestive system & glands.

16. What is the axon hillock?

Correct Answer: B) The cone-shaped thickening found between the cell body and the axon.

17. In the PNS-keep electolyte balance

Correct Answer: D) Satellite cells.

18. Thick myofilaments are composed of

Correct Answer: A) Myosin.

19. The change in membrane potential from +40 mV to-70 mV is called

Correct Answer: B) Repolarization.

20. Th sense organs have special cells known as .....

Correct Answer: B) Receptors.