Nervous System Quiz 1017 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Bends incoming light dramatically so that it can be focused on the retina

Correct Answer: C) Lens.

2. Which system is important in returning to normal?

Correct Answer: A) Parasympathetic system.

3. Which hemisphere of the brain is typically responsible for speech?

Correct Answer: C) Left hemisphere.

4. Voluntary movements are controlled by the ..... nervous system

Correct Answer: C) Somatic.

5. What does the optic nerve do?

Correct Answer: A) Transmit impulses from retina to brain.

6. Which lobe of the cerebrum is responsible for motor function & speech?

Correct Answer: A) Frontal.

7. Neurons have 2 major functional properties. Which is defined as the ability to respond to a stimulus and convert it into a nerve impulse?

Correct Answer: A) Irritability.

8. Division of the Autonomic Nervous System that is responsible for fight or flight

Correct Answer: A) Sympathetic.

9. Voluntary, conscious movement is governed by the ..... nervous system.

Correct Answer: B) Somatic.

10. Sensory surface at the back of the eye

Correct Answer: B) Retina.

11. ..... are quick involuntary actions to a stimulus like a hot iron.

Correct Answer: D) Reflexes.

12. The ..... nervous system consists of the brain and spinal cord

Correct Answer: B) Central.

13. Some diseases of the Nervous System include strokes, Alzheimer's Disease, and ALS (Lou Gehrig's Disease).

Correct Answer: A) True.

14. The ..... is the part of the central nervous system contained in the cranium

Correct Answer: D) Brain.

15. These supporting cells regulate concentration of nutrients within nervous tissue.

Correct Answer: C) Astrocytes.

16. Which is the Correct function of Cerebrum

Correct Answer: C) It controls all voluntary activities like walking, running, playing, etc.

17. Reflexes are much quicker than other actions, because the signal .....

Correct Answer: A) Bypasses the brain.

18. What is the term used to describe the state of potential in a neuron at rest?

Correct Answer: B) Resting potential.

19. Tendons are tissue that attach muscle to the brain

Correct Answer: B) False.

20. This type of reflex is one where it sends involuntary stimuli to the cardiac muscle and smooth muscles of the internal organs.

Correct Answer: C) Autonomic.