Neuron Quiz

Basic unit of the nervous system; another name for nerve cell.

• brain stem

• axon

• dendrite

• neuron

Nerves that branch out from the spinal cord and connect to rest of body.

• Central Nerves

• Peripheral Nerves

• Cerebellum

• Synapse

What are the two main parts of the central nervous system?

• brain and spinal cord

• patella and phalanges

• heart and lungs

• stomach and pancreas

When you touch something hot, what is the path of the message?

• brain, nerve, spinal cord

• nerve, spinal cord, brain

• spinal cord, nerve, brain

• brain, spinal cord, nerve

As organisms get more complex, cells become specialized to perform specific functions in the body. What is the function for the cell shown?

• contract and shorten movement

• provide coverage and protection

• carry impulses around the body

• connects parts together

Small space between neurons

• dendrite

• axon

• synapse

• cerebrum

Part of neuron; carries messages away from the cell body.

• neuron

• cell body

• dendrite

• axon

A chemical produced by neurons that carries messages to other neurons

• myelin sheath
• neurotransmitter
• axon
• axon terminal

What number(s) on the graph represents the Resting Potential?

• 1 and 2
• 1 and 5
• 2 and 3
• 3 and 4

When a neuron is depolarized, what are the first channels to open?

• Sodium
• Potassium
• Calcium
• ACTH