Snapquiz - The Central Nervous System and Reflexes

This is the Snapquiz on The Central Nervous System and Reflexes. Click here or use the embedded video if you haven't watched the lesson yet.


Question 1. How do nervous impulses travel away from the central nervous system towards the organ which needs to respond?

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


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

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


Question 3. In a reflex action, which organ decides how to respond?

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


Question 4. Why are nervous impulses sent via a synapse to a relay neurone?

The synapse sends signals faster than a neurone.
The synapse filters incorrect signals.
The synapse can send signals to more than one neurone.
The synapse amplifies signals.


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

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


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