Nervous System Quiz 527 (20 MCQs)

Quiz Instructions

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1. Most people don't make equal use of both eyes. They depend more heavily on one eye. This eye is the

Correct Answer: A) Dominant eye.

2. Nodes of Ranvier (gaps between myelin on an axon) ..... saltatory conduction of action potentials

Correct Answer: A) Allow for.

3. The brain has two hemispheres and is connected by the corpus callosum.

Correct Answer: A) True.

4. Which of the following is a stimulus?

Correct Answer: D) All of the above.

5. What is the final component of a reflex arc?

Correct Answer: A) Effector.

6. The process by which neighbouring neurons communicate with each other

Correct Answer: B) Synaptic transmission.

7. What part of the PNS is made up of nerves that are conneceted to skeletal muscles?

Correct Answer: C) Somatic nervous system.

8. Which one occurs first during an action potential:Na channels opening or K channels opening?

Correct Answer: A) Na channels open first.

9. The functional unit in the nervous system is

Correct Answer: B) Neuron.

10. Which partt of the brain is responsible for sensation, thought, movement, awareness, and memory?

Correct Answer: C) Cerebrum.

11. The brain recieves and sends messages through .....

Correct Answer: B) Nerves.

12. What does the cranium protect?

Correct Answer: C) Brain.

13. Which layer of the skin does NOT contain blood vessels?

Correct Answer: A) Epidermis.

14. What is the main role of the nervous system?

Correct Answer: A) It controls everything you do.

15. Which receptors detect heavy pressure?

Correct Answer: C) Pacinian corpuscles.

16. The part of the brain that controls balance, coordination, and unconscious muscle activities.

Correct Answer: B) Cerebellum.

17. Responsible for visual processing

Correct Answer: C) Occipital lobe.

18. This is a part of the limbic system and is involved in emotions and fear:

Correct Answer: D) Amygdala.

19. The ..... divides into two main sections or branches from the Trachea.

Correct Answer: C) Bronchi.

20. Type of neurotransmitter-short strands of amino acids

Correct Answer: C) Neuropeptides.