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

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


Question 2. Why are nervous impulses sent via a synapse to a relay neurone?

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


Question 3. How do nervous impulses travel towards the central nervous system?

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


Question 4. What do we call an organ which responds to an impulse from the nervous system?

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


Question 5. 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.
Across a synapse.
Along a relay neurone.


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