Nervous System Quiz 69 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. The difference between a three and two neuron reflex is that a three neuron reflex

Correct Answer: C) Includes an interneuron.

2. How many things at once can short term memory store?

Correct Answer: B) 7.

3. You would describe someone as having eyes with a beautiful deep brown .....

Correct Answer: A) Iris.

4. A change in the external environment that initiates an impulse is known as a

Correct Answer: C) Stimulus.

5. What is the primary function of oligodendrocytes in the central nervous system (CNS)?

Correct Answer: B) Producing myelin sheaths.

6. What neuron structure protects the impulse from breaking down and allows it to speed up?

Correct Answer: C) Myelin Sheath.

7. What two things are found in the central nervous system?

Correct Answer: A) Brain/spinal cord.

8. Which part of the brain helps us to think remember and learn

Correct Answer: A) Cerebrum.

9. Take in sensory information about what you hear, see, taste, touch and smell

Correct Answer: B) Sensory neurons.

10. What is our skeleton made up of?

Correct Answer: A) Bones.

11. Which nervous system disease is associated with uncontrolled shaking, shuffled gait, and problems with speaking?

Correct Answer: B) Parkinson's Disease.

12. A substance that causes your immune system to produce antibodies .....

Correct Answer: D) Antigen.

13. Which neuron carriers stimuli from the sensory to the motor neuron?

Correct Answer: C) Associative.

14. What part of the neuron receives signals?

Correct Answer: A) Dendrites.

15. What does nervous system consist of

Correct Answer: D) All.

16. Which group of mammals are experts at using sound echoes to gain information about the world?

Correct Answer: D) Bats and Whales.

17. What is the inner most layer of the brain?

Correct Answer: C) Pia mater.

18. How many cranial nerves have the humans?

Correct Answer: B) 12.

19. Which event triggers the creation of an action potential?

Correct Answer: B) The membrane depolarizes above a certain threshold potential.

20. ..... is a protein that binds oxygen and stores it in muscle

Correct Answer: B) Myoglobin.