Nervous System Quiz 346 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Which neuron is connected to the effector?

Correct Answer: B) Motor neuron.

2. Nerve fibers in your spinal cord allow your brain to communicate with your ..... nervous system.

Correct Answer: A) Peripheral.

3. The function of the myelin sheath is to speed up the action potential traveling down a nerve.

Correct Answer: A) True.

4. I use my ..... to smell a flower.

Correct Answer: B) Nose.

5. The sympathetic nervous system slows heart rate, decreases respiration, and increases activity in the digestive tract.

Correct Answer: B) False.

6. Which structure receives all ascending sensory tracts (except smell) and relays the signals to the correct part of the brain?

Correct Answer: B) Thalamus.

7. Combining form that means sheath (meninges)

Correct Answer: A) Thec/o.

8. When you hit your leg with a reflex hammer in the lab, this was an example of a/an:

Correct Answer: A) Somatic reflex.

9. Cells that line the central cavity of the brain & spinal corded are named

Correct Answer: C) Ependymal cells.

10. Largest portion of the brain; 4 lobes:frontal, parietal, temporal and occipital Responsible for conscious thought and reasoning

Correct Answer: B) Cerebrum.

11. A person that has constricted pupils, stimulated saliva production, reduced breathing and heart rate is probably undergoing .....

Correct Answer: B) A Rest or Digest response.

12. The right and left hemispheres are connected by the

Correct Answer: B) Callous body.

13. What is the main job of the digestive system?

Correct Answer: A) To break down food for energy.

14. There are over how many muscles in the body?

Correct Answer: C) 600.

15. What are INTERNEURONS? (pick 2)

Correct Answer: C) Connect sensory and motor neurons.

16. Which of the nerve branches listed mainly form the posterior cord of the brachial plexus?

Correct Answer: D) Radial nerve.

17. Which division of the nervous system is in charge of involuntary movements like our digestion, breathing rate and heart rate.

Correct Answer: A) Autonomic.

18. What is the term for the axon pathways carrying information up and down the spinal cord?

Correct Answer: C) Columns.

19. Serotonin is a neurotransmitter that helps regulate:

Correct Answer: D) Sleep, moods/emotions.

20. Unresponsive state from which a person can be aroused briefly with vigorous repeated attempts.

Correct Answer: B) Stupor.