Nervous System Quiz 524 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What is the function of the myelin sheeth

Correct Answer: A) Increase rate of signal transfer.

2. The eye uses photoreceptors to detect light.

Correct Answer: A) True.

3. Type of neuron that receives impulses from sensory neurons and distributes them to other neurons

Correct Answer: A) Interneuron.

4. The axon hillock is the are of the cell body that

Correct Answer: C) Controls the initiation chemical impulse down the axon after processing the strength of incoming signals.

5. This connects bone to bone in the skeletal system.

Correct Answer: D) Ligament.

6. What are the 3 layers of the brain from outer most to inner most?

Correct Answer: D) Dura mater, arachnoid, pia mater.

7. The part of the spinal cord that, in cross-section, is shaped like the letter H is the:

Correct Answer: B) Gray matter.

8. Which part of the brain is responsible for regulating body temperature and hunger?

Correct Answer: D) Hypothalamus.

9. Blinking in a bright light:Is it?

Correct Answer: B) Reflex.

10. Which part of the cerebrum is responsible for functions such as learning, speech, emotion, reasoning, vision, hearing, and fine movements?

Correct Answer: D) Cerebral Cortex.

11. Which hormone is released during the 'fight or flight' response?

Correct Answer: A) Adrenaline.

12. ..... are the automatic reactions that help us to avoid pain.

Correct Answer: D) Reflexes.

13. Cerebral Cortex

Correct Answer: B) Outer layer of gray matter of the cerebrum.

14. What cranial nerve sends signals related to balance from the semicircular canals to the brain?

Correct Answer: B) Vestibular nerve.

15. What causes information to be sent by a sensory receptor? What causes information to be sent by a sensory receptor?

Correct Answer: A) An external stimulus.

16. Skeletal muscles are attached to the .....

Correct Answer: C) Skeleton.

17. Actions which are NOT under your control (a)

Correct Answer: A) A involuntary.

18. Somatic health is the same as mental health

Correct Answer: B) False.

19. Which pathway sends messages from the senses to the brain

Correct Answer: A) Sensory nerve pathway.

20. What is an example of homeostasis?

Correct Answer: B) Your stomach growling when your body needs nutrients.