Nervous System Quiz 767 (20 MCQs)

Quiz Instructions

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1. Which system controls everything you do?

Correct Answer: C) Nervous System.

2. Voluntary control of skeletal muscles is provided by the:

Correct Answer: A) Somatic nervous system.

3. The ..... is the main organ in the nervous system

Correct Answer: D) Brain.

4. What is the possible explanation for mammals being able to detect bad weather and earth tremors approaching?

Correct Answer: B) They can sense vibrations travelling through the earth.

5. Which part of the brain is responsible for language and "assessing future consequences of current actions"

Correct Answer: A) Frontal lobe.

6. Nerve cells that conduct impulses from the central nervous system to muscles and glands are ..... neurons.

Correct Answer: A) They will bring.

7. Which of the following represents the order during a neurone response?

Correct Answer: C) Stimulus-receptor-coordinator-effector-response.

8. When sodium channels open

Correct Answer: C) Sodium ions move into the cell.

9. At REST, a cell is negatively charged, and the environment is positively charged, thus creating a(n)

Correct Answer: D) Resting potential.

10. What are the 3 main parts of a neuron?

Correct Answer: B) Cyton, dendrites, axon.

11. What's the difference between ligaments and tendons?

Correct Answer: B) Tendons are attached to bones only.

12. Which muscle is your heart made of?

Correct Answer: B) Cardiac.

13. Which part of your brain controls memory?

Correct Answer: A) Cerebral cortex.

14. When sound waves cause the eardrum to vibrate, these vibrations are immediately passed on to the .....

Correct Answer: D) Three small bones in the middle ear.

15. Which of the following can have a modulatory effectin the nervous system?

Correct Answer: A) Serotonin and dopamine.

16. What is another way to write or say "nerve cell" ?

Correct Answer: B) Neurons.

17. Which brain structure controls all voluntary activities and is responsible for thought, memory, emotions, and reasoning?

Correct Answer: B) Cerebrum.

18. Purpose of inner ear?

Correct Answer: D) Receiving and processing sound.

19. The four types of neurological cells in the Central Nervous system

Correct Answer: D) Astrocytes, oligodendrocytes, ependyma, and microglia.

20. True or False-Most neurons in our body are with us for life and cannot be replaced if they are lost through brain or spinal cord damage.

Correct Answer: A) True.