Nervous System Quiz 146 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. The joint between the skull and the backbone is ..... joint.

Correct Answer: B) Pivot.

2. Which of the following does NOT correctly describe a resting neuron?

Correct Answer: A) Positive extracellular environment with higher concentrations of sodium.

3. The point at which an impulse from one nerve cell is communicated to another cell is called the:

Correct Answer: B) Conclusion.

4. What is the role of the myelin sheath in the transmission of nerve impulses?

Correct Answer: A) Insulates and protects the nerve fibers, allowing for faster transmission of nerve impulses.

5. Myelin sheaths are made from ....., a type of glial cell.

Correct Answer: B) Schwann cells.

6. Whitish, fatty material covering axons

Correct Answer: D) Myelin sheath.

7. Which external stimulus is detected by sensory receptors in the skin?

Correct Answer: D) Pressure.

8. Chemical synapses are faster than electrical synapses.

Correct Answer: B) False.

9. Which inner ear structure contains the structures for hearing?

Correct Answer: C) Cochlea.

10. We should book ..... away from our eyes.

Correct Answer: C) 12 inches.

11. What are the 3 main parts of the brain?

Correct Answer: B) Brain, cerebellum, medulla.

12. The peripheral nervous system is made up of which part?

Correct Answer: C) Nerves.

13. The nerve cell that transmits impulses from the brain or spinal cord to a muscle or gland.

Correct Answer: A) Motor Neuron.

14. They relax airways allowing you to increase respiration.

Correct Answer: A) Sympathetic nerves.

15. Which statement of Charcot-Marie-Tooth disease is Not true

Correct Answer: A) Is a group of progressive disorders that affect the central nerves.

16. In the synaptic clef, the nerve that receives the message is known as the

Correct Answer: C) Post synaptic nerve.

17. Which passageway allows both air and food to travel through it?

Correct Answer: A) Pharynx.

18. What is the name of the fluid that protects and helps nourish the central nervous system?

Correct Answer: C) Cerebrospinal fluid.

19. Special sensory neurons in sense organs that receive stimuli from the external environment

Correct Answer: B) Receptors.

20. It includes communication paths (nerves) that connect the entire body to the brain and spinal cord.

Correct Answer: C) The Peripheral Nervous System.