Nervous System Quiz 672 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. How many lobes is the cerebrum divided into?

Correct Answer: B) 4.

2. The part of the neuron that brings information to the cell body is called a(n) .....

Correct Answer: A) Dendrite.

3. Which is the main component of the Peripheral Nervous System?

Correct Answer: D) Spinal nerve and Cranial nerve.

4. What part of the eye sends nerve impulses to the brain

Correct Answer: A) Optic nerve.

5. Vagus nerves

Correct Answer: D) X.

6. Found in heart

Correct Answer: B) Cardiac.

7. The nerve impulse is also known as:

Correct Answer: A) Action Potential.

8. What does the oculomotor nerve control?

Correct Answer: C) Moment of eye.

9. An example of a reaction to a stimulus is

Correct Answer: B) Eyes blinking due to smoke in the air.

10. Where do you find the nerve in the ear?

Correct Answer: C) Inner ear.

11. Which type of reaction allows you to maintain your balance while standing?

Correct Answer: A) Knee jerk.

12. A change or signal in the environment that an organism can recognize and react to is called?

Correct Answer: A) Stimulus.

13. Lobe at the front of the brain responsible for problem solving, personality, and decision making.

Correct Answer: A) Frontal.

14. What is an example of an External Stimuli?

Correct Answer: A) Lions and Tigers and Bears Oh my!! Run!.

15. Which part of the spinal cord contains cerebrospinal fluid?

Correct Answer: A) Central canal.

16. In its resting state the cytosol of a neuron has an overall ..... charge

Correct Answer: A) Negative.

17. Ridges of the cerebrum are called

Correct Answer: D) Gyri.

18. About how many neurons are in the brain?

Correct Answer: C) 100 billion.

19. Positioned between neurons and capillaries

Correct Answer: B) Astrocytes.

20. The ability to respond to a stimulus is termed:

Correct Answer: B) Irritability.