Nervous System Quiz 304 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Joe, 78 years old, has started having tremors and gait shuffling. His family is worried that he is developing:

Correct Answer: D) Parkinson's disease.

2. Responsible for digestion

Correct Answer: B) Parasympathetic NS.

3. Which type of neurons carry impulses from the brain and/or the spinal cord to glands and muscles?

Correct Answer: B) Motor neurons.

4. Multiple Sclerosis is a brain disorder characterized by fine muscle tremors.

Correct Answer: B) False.

5. Which of the following is NOT a major organ of the nervous system?

Correct Answer: C) Heart.

6. The cell body of a neuron:

Correct Answer: D) Soma.

7. The peripheral nervous system includes:

Correct Answer: C) Nerves and ganglia.

8. Pick up messages from sensory receptors and transmit impulses toward the CNS:

Correct Answer: A) Afferent neurons.

9. Which division of the nervous system is in charge of regulating our rest and digest response, or is in charge of conserving energy.

Correct Answer: A) Parasympathetic.

10. Chemoreceptors are stimulated by .....

Correct Answer: D) Changes in chemical concentration of substances.

11. The central nervous system is formed by:

Correct Answer: B) The brain and the spinal cord.

12. Another name of the "Nerve Cell"

Correct Answer: B) Neuron.

13. Dopamine

Correct Answer: B) Feel Good/Rewards.

14. The sodium potassium pump pushes 3 ..... ions out of the cell and 2 ..... ions in the cell.

Correct Answer: B) Sodium; Potassium.

15. All of the following are layers of the meninges EXCEPT:

Correct Answer: C) Neuro Mater.

16. Sensory nerves that carry messages from all parts of the body to the brain and spinal cord are?

Correct Answer: A) Afferent.

17. Head ache medication is a common (a)

Correct Answer: A) A depressant.

18. More ions outside than inside cell memebrane

Correct Answer: A) Polarized.

19. What is the basic functional unit of the nervous system?

Correct Answer: B) Neuron.

20. Give an example of a reflex action

Correct Answer: A) Knee-jerk reflex.