Nervous System Quiz 205 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What happens if the medulla is damaged?

Correct Answer: B) Inability to breathe, swallow, or perform basic motor functions.

2. The CNS is responsible for all ..... activity.

Correct Answer: D) Mental.

3. The colored part of eye is called

Correct Answer: C) Iris.

4. Which part of the neuron contains the nucleus?

Correct Answer: D) Cell Body.

5. Which bone is it?

Correct Answer: C) Kneecap.

6. These two systems work together to produce blood cells.

Correct Answer: D) Skeletal and circulatory.

7. Chemical used by a neuron to transmit an impulse across a synapse to another cell

Correct Answer: C) Neurotransmitter.

8. Most neurons are

Correct Answer: C) Amitotic.

9. The type of glial cells that line the ventricles and spinal canal are the

Correct Answer: E) Ependymal cells.

10. What is the role of neurotransmitters in synaptic transmission?

Correct Answer: D) To bind to receptors on the receiving neuron's membrane.

11. Dust particles collide with your skin every second, but you do not notice them. What concept explains this?

Correct Answer: A) Threshold.

12. Which part of the brain controls breathing and heart rate?

Correct Answer: D) Brain stem.

13. An ..... is a body part that does a certain job.

Correct Answer: B) Organ.

14. A nerve cell that conducts impulses from the Central Nervous System towards muscles to cause movement.

Correct Answer: B) Motor neuron.

15. What are white blood cells and what is their function?

Correct Answer: B) They are types of blood cells that protect you against illness and disease.

16. The gel-like substance that reinforces the eyeball and prevents it from collapsing inward is the:

Correct Answer: B) Vitreous humor.

17. Which of the following is not one of the over lapping functions of the nervous system?

Correct Answer: D) Determination.

18. How many senses do we have?

Correct Answer: A) 5.

19. Which is not one of the three major parts of a neuron?

Correct Answer: B) Membrane.

20. Which type of glial cell performs phagocytosis?

Correct Answer: B) Microglial cell.