Nervous System Quiz 609 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Es system is specialized in?

Correct Answer: B) Electrical signals.

2. A muscular organ in the body where chemical digestion takes place.

Correct Answer: A) Stomach.

3. Which is true of a reflex arc?

Correct Answer: A) Sensory information is taken to the spinal cord and a decision is immediatly sent to the body.

4. What is your nervous system for

Correct Answer: A) To send message to the rest of you body.

5. The smooth muscles and glands are controlled by this part of the nervous system.

Correct Answer: B) Autonomic Nervous system.

6. Which of the following is responsible for detecting pain?

Correct Answer: A) Mechanoreceptors.

7. It is an external ear flap composed of elastic cartilage; attached to the side of head.

Correct Answer: A) Pinna.

8. Neurons that synapse with the photoreceptors and the ganglion neurons

Correct Answer: C) Bipolar neurons.

9. Negative feedback is when changes occurring,

Correct Answer: A) Return the body to the original condition.

10. Select the three main parts of the nervous system.

Correct Answer: B) Spinal cord, brain and nerves.

11. What is a chemical produced by the liver used by the body to break up fat?

Correct Answer: B) Bile.

12. Motor movements, coordination, balance

Correct Answer: C) Cerebellum.

13. What happens when a neuron reaches its threshold potential?

Correct Answer: C) Voltage-gated sodium channels open.

14. Which of the following is responsible or coordination and balance?

Correct Answer: C) Cerebellum.

15. Gathers info that is happening in and around your body

Correct Answer: B) Sensory neurons.

16. A disturbance in the memory marked by the inability to recall past experiences is known as?

Correct Answer: D) Amnesia.

17. Examples of involuntary movements:

Correct Answer: C) Heartbeats, digestion.

18. Called Neruons-functional unit of the nervous system

Correct Answer: C) Nerve Cells.

19. Which sense is responsible for our sense of smell?

Correct Answer: D) Smell.

20. What is the earliest area appearing of the cerebellum?

Correct Answer: D) Flocculonodular lobe.