Snapquiz - The Central Nervous System and Reflexes

Question 1. In a reflex action, which organ decides how to respond?

The brain.
The spinal cord.
The effector.
The receptor.

Question 2. What do we call an organ which responds to an impulse from the nervous system?

A receptor.
An effector.
A collector.
A connector.

Question 3. How do nervous impulses travel away from the central nervous system towards the organ which needs to respond?

Along a motor neurone.
Along a sensory neurone.
Along a relay neurone.
Across a synapse.

Question 4. Which organ is sensitive to the presence of chemicals?

The tongue.
The ears.
The eyes.
The skin.

Question 5. How do nervous impulses travel towards the central nervous system?

Along a sensory neurone.
Along a motor neurone.
Across a synapse.
Along a relay neurone.

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