Nervous System Quiz 966 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What is the most significant neurotransmitter in the basal ganglia?

Correct Answer: D) Dopamine.

2. On the average, nearly ..... ml of CSF are produced daily.

Correct Answer: B) 500.

3. Which of these are effectors?-an effector effects (brings about) a response

Correct Answer: D) Muscle and Gland.

4. Metabolic rates typically are ..... at higher temperature and ..... at lower temperature.

Correct Answer: B) Faster; slower.

5. The dura mater, arachnoid and pia mater are all parts of the

Correct Answer: B) Meninges.

6. The cranial nerves are part of which nervous system?

Correct Answer: B) Peripheral.

7. Vision is controlled by the ..... lobe of the cerebrum.

Correct Answer: A) Occipital.

8. Which lobe deals with auditory information and speech?

Correct Answer: C) Temporal.

9. Primarily senses the internal environment and controls involuntary activities.

Correct Answer: B) Autonomic nervous system.

10. What raises the risk of Alzheimer's?

Correct Answer: D) All of the above.

11. Which lobe is responsible for emotions, personality, morality, intellect, and speech.

Correct Answer: A) Frontal Lobe.

12. Allows light to pass directly to photoreceptors in the retina to enhance visual acuity (details)

Correct Answer: B) Fovea.

13. What would happen if your cerebellum was damaged?

Correct Answer: A) You would lose balance.

14. Controls hearing, speaking coherently, and comprehension

Correct Answer: B) Temporal Lobe.

15. If your heartbeat stopped beating normally, your ..... is not functioning properly?

Correct Answer: B) Brain Stem.

16. Lipoid substance found in the myelin sheath around some nerve fibers.

Correct Answer: C) Myelin.

17. The electrical potential difference across across the resting membrane is called as:

Correct Answer: C) Resting potential.

18. The all-or-none principle explains the idea that if a stimulus is strong enough to generate an action potential, the impulse

Correct Answer: A) Conducts along the entire length of the axon at the same strength and speed.

19. What are the principal functions of information processing?

Correct Answer: C) Sensory input, integration, motor output.

20. Oligodendrocytes and Schwann cells comprise these that wrap around and insulate the axons, protecting them from ion flow.

Correct Answer: A) Myelin sheaths.