Nervous System Quiz 488 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Reversal of charges from negative to positive aka a nerve impulse

Correct Answer: A) Action potential.

2. You are able to learn, understand and remember the knowledge of body systems The above statements refers to the function of

Correct Answer: A) Frontal lobe.

3. Pupil reflex is controlled by the

Correct Answer: C) Brain.

4. Which part of the brain is also called the "inner brain" ?

Correct Answer: C) Diencephalon.

5. What are considered special senses?

Correct Answer: B) Vision, smell, taste, hearing, and equilibrium.

6. Neurons that conduct impulses from the CNS to muscles or glands are

Correct Answer: D) Motor neurons.

7. Damage to the Hypothalamus causes constant hunger

Correct Answer: A) Prader Willi.

8. Neuroglia that produce myelin on axons in the brain and spinal cord are

Correct Answer: C) Oligodendrocytes.

9. Which part of the brain is responsible for thinking, reasoning, problem-solving, and senses?

Correct Answer: B) Cerebrum.

10. Which division of the PNS conveys impulses TO the CNS from the sensory receptors?

Correct Answer: D) Sensory (afferent).

11. Hematoxylin stains which part of the cell organelles?

Correct Answer: A) Nucleus.

12. What is the role of microglia cells?

Correct Answer: A) Acts as an immune cell and assist and assist damaged dying neurons.

13. Myelinated neurons experience

Correct Answer: B) Saltatory transmission from node to node.

14. Multiple Sclerosis (Rich's research topic) is caused when there is a problem with the nerve cell's .....

Correct Answer: C) Myelin sheath.

15. Which CN (cranial nerve) helps with chewing food?

Correct Answer: D) 5th.

16. On the cerebral cortex, the ridges that result from an embryological increase in surface area and folding of the cortex:

Correct Answer: C) Gyri.

17. Photoreceptors are located in or on

Correct Answer: C) Eyes (retina).

18. Major pathways of the peripheral nervous system that lead to the skin and skeletal muscles

Correct Answer: A) Somatic nervous system.

19. Axon fibers are insulated by a ....., which increase the rate of neural impulse transmission.

Correct Answer: A) Myelin sheath.

20. Salivary glands are innervated by .....

Correct Answer: C) Both of the autonomic division.