Nervous System Quiz 490 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Restricts the passage of most substances into the CNS, allowing the extracellular chemical environment of the CNS to be tightly controlled

Correct Answer: A) Blood-brain barrier.

2. Which of the following is not a component of a proper warm-up?

Correct Answer: D) Heavy resistance training.

3. Which of the following contains the thalamus, hypothalamus, and epithalamus?

Correct Answer: C) Diencephalon.

4. Inflammation or infection of the conjunctiva is called

Correct Answer: A) Conjunctivitis (pink eye).

5. Microglial cells help to?

Correct Answer: A) Phagocytize bacteria cells.

6. What is the main sensory receptor cells in our sense of hearing?

Correct Answer: C) Mechanoreceptors.

7. What does the outer ear consist of?

Correct Answer: D) Auricle/pinna, Ear Canal.

8. If you just ate a big meal

Correct Answer: B) Parasympathetic.

9. T/F:Olfactory receptors can be found in the nose

Correct Answer: A) True.

10. The force of blood pushing against the walls of the blood vessels

Correct Answer: C) Blood Pressure.

11. What two structures make up the central nervous system?

Correct Answer: B) Brain and spinal cord.

12. The measure of potential energy generated by separated electrical charges is called

Correct Answer: D) Voltage.

13. Interneurons are found in the

Correct Answer: B) Grey matter.

14. Billy was hit in the back of the head playing ball. He "saw stars" for a while after the hit. What part of his brain was affected?

Correct Answer: C) Occipital lobe.

15. Poor articulation is called .....

Correct Answer: B) Slurred speech.

16. Read the following decide if it is a neuron or neuroglia. "highly specialized"

Correct Answer: A) Neuron.

17. Myelin is a fatty substance that covers the ..... of a neuron to help the impulse move faster

Correct Answer: C) Axon.

18. Carry messages away from the brain and spinal cord

Correct Answer: B) Efferent nerves.

19. If you have a second severe concussion before recovering from the first one, there's a 50% chance you could die.

Correct Answer: A) True.

20. Acts as an insulator for neurons and allows for faster conduction of nerve impulses.

Correct Answer: A) Myelin.