Nervous System Quiz 786 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What is the body's first line of defense against bacteria and viruses?

Correct Answer: A) Saliva, mucus, and hairs.

2. Done automatically without thinking

Correct Answer: B) Reflex Action.

3. B e t z sBETZ cells in the brain are found in

Correct Answer: D) Primary motor cortex.

4. Nervous system spilts into which 2 sub systems?

Correct Answer: C) Central NS & Peripheral NS.

5. Multiple sclerosis (MS) affects the central nervous system, which part of CNS usually attacked?

Correct Answer: B) Myelin sheath.

6. Why would the pupil get smaller in diameter?

Correct Answer: A) To let in less light.

7. A nerve impulse is an ..... traveling the length of a neuron.

Correct Answer: A) Electrical charge.

8. The muscle that contracts and relaxes to force air in or out of the lungs.

Correct Answer: B) Diaphragm.

9. Cephalgia is also known as a headache.

Correct Answer: A) True.

10. Which lobe allows us to judge the consequences of our behaviors?

Correct Answer: A) Frontal.

11. The outer most layer of the brain is:

Correct Answer: B) Dura mater.

12. Neuron found in the brain OR spinal cord

Correct Answer: C) Interneuron.

13. Which piece of equipment is the best to use to observe the structure of a cell?

Correct Answer: D) Microscope.

14. Which Cranial Nerve is called the Optic Nerve?

Correct Answer: B) II.

15. Which part of the brain is responsible for vison?

Correct Answer: A) Occipital Lobe.

16. A ligament

Correct Answer: A) Connects bone to another bone.

17. Sheath formed from Schwann cells on the exterior of some axons

Correct Answer: A) Neurilemma.

18. Use to move materials through contractions

Correct Answer: D) All.

19. Damage to the ..... has effects on a specific area of the body.

Correct Answer: B) Peripheral nervous system.

20. Which part of the nervous system is not involved in producing reflex actions?

Correct Answer: A) Brain.